to navigate around the sky; you'll know how to use a telescope; and you'll have a strong understanding of the .. Celestron Cassegrain reflector, WikiCommons, Staycoolandbegood, .. All the constellations are like a map in the sky. Seasonal star charts display the locations of the best deep-sky objects . Celestron Sky Maps are made from /4” x /4” water-resistant. Instructions are included on the last two pages of the PDF file linked above. Once you These constellation patterns were adopted by Google Sky. The classic.
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Moon Map courtesy of Night Sky Magazine portal7.info . A stand-alone "star finder" is the new Celestron Sky Scout. Not only does it have a. The Evening Sky Map (PDF) is a 2-page monthly guide to the night sky suitable for all The Evening Sky Map is FREE for personal non-commercial use. The Celestron SkyMaster 15x70 binoculars are an excellent, low-cost choice for the. The stars on the map should match those in the sky. Navigating the Night Sky. Learn the sky by first finding those stars or constellations that you already know.
How to practice deep-sky? Torres In this section, I will give you an outlook regarding instruments and books for practicing Deep Sky. It is subjective and reflects just my experience, but perhaps it can help you to develop your own opinion about what you really need. Instruments I have owned different instruments along 25 years. My first instrument was an old 7x50 binoculars pair that my father gave me one summer.
The Plus version includes 2. Simulate the sky from any place in the Solar System, up to 10, years in the past or future.
Expand your astronomical knowledge with over encyclopedic descriptions of the constellations, stars, and planets. With SkySafari Plus, you can leave Earth's surface behind.
Tap the Orbit button to fly into orbit around other objects in the Solar System, and beyond it. Follow eclipses, occultations, and transits in Earth's sky - and beyond! View the planets and their moons as only NASA space probes have - even label every crater on them. Plan observing sessions with Observing Lists, log your observations into them, and share them with friends. More astronomers use SkySafari for telescope control than any other app!
It contains everything in SkySafari Plus, and adds over 1. It simulates the view from anywhere in the solar system - or beyond it - at up to a million years in the past or future. It's an astronomical encyclopedia, with over encyclopedic descriptions of the constellations, stars, and planets written by professionals. And it includes images from NASA space missions, the Hubble Space Telescope, and the world's foremost astro-photographers - now in breathtaking high definition on your iPad!
SkySafari Pro will revolutionize your astronomical viewing experience, and replace desktop astronomy software costing ten times more. If you're serious about astronomy, it's a deal you can't afford to miss. It consists of the Time and Location bar at the top, the main Sky Chart in the middle, and a Menu bar along the bottom.
The first time your run SkySafari, the program will ask if you want to retrieve your current location using the GPS or network location capabilities built into your iOS or Android device. You can always change these settings later, using the main Settings view.
Status Bar The status bar at the top of the screen displays the current date, time and location used by the application to depict the night sky. These values may be changed using the Settings view. After you tap on an object, the status bar also shows an object's common name, catalog number, magnitude, type, and constellation for a few seconds.
You can get this information back by tapping the status bar again. You can still get more detailed information on the object by tapping the "Info" button in the toolbar, or by double-tapping on the object itself. Menu Bar The menu bar contains buttons to bring up commonly-used functions and other secondary views used by SkySafari. Android users can toggle the menu bar by tapping the hardware Menu button on their device. Tip: On the iPhone, iPod touch, and Android phones with small screens, you can swipe the menu bar left or right to access more items.
A small arrow by the left- or right-most icon indicates there are more items in that direction. Sky Chart The sky chart shows an accurate depiction of the sky. The information displayed is highly configurable, and may be changed in the SkySafari Settings views. The sky chart shows the location of the stars, planets, and deep sky objects star clusters, nebulae, and galaxies as seen from your date, time, and location. Tap an object on the sky chart to select it. If there are multiple objects next to each other and the first tap selects the wrong object, tap again and SkySafari will select an alternate object nearby.
Once you have selected an object, double-tap it or tap the Info button in the menu bar to bring up the Object Info view. The Object Info view shows numerical data for the object, as well as English-language descriptions and images for many of the brighter objects in the sky.
The cardinal directions east, northeast, north, etc. Double-tapping shows a line between your selected object and the object where you double-tapped. The angular distance in the sky between the objects is shown at the end of the line, as well as the physical distance between those objects in space if known. You can drag the end of the line to measure from your selected object to other objects on the screen. Tap anywhere away from the distance measurement line to dismiss it. Swiping and Zooming Touch the chart and drag to change the direction you are looking in the sky.
You can pinch with two fingers to change the field of view shown in the chart. You can zoom the field of view from degrees, showing you the whole sky at once, down to 0. This is much easier than pinching and zooming, especially when you're trying to zoom in or out by a factor of x or more!
Coordinates and Field of View Displays The coordinates of the chart's center, and the width and height of the field of view, are displayed at the top of the chart. Popup Control Panels: In SkySafari Plus and Pro, tap the coordinates or field of view at the top of the sky chart to display a popup control panel which quickly lets you change these items. Tap the field of view at the top right corner of the sky chart to quickly change the field of view from 1 to degrees, show field-of-view indicator rings, and flip the chart horizontally or vertically to match the view seen through your telescope's eyepiece.
Search The search view lets you search for objects, by typing their names, or by choosing them from lists. In SkySafari Plus and Pro, the Search view also lets you manage observing lists, which are lists of objects that you can create and edit yourself.
Observing lists help you plan your observing sessions, and record logs of your observations. Search At the top of the list view is a search field. Enter all or the first part of an object's name; then tap the Search button to display a list of matching objects. You can search for an object using any of its catalog designations. You can find all objects in a particular catalog by entering just the catalog name or its standard abbreviation For example, you can find all the Caldwell objects by searching for just "Caldwell" or "C" without a specific object number.
All of the objects matching your search will be displayed in the list of results. Objects below the horizon are dimmed, but still selectable.
Choose a specific object from that list to bring up the Object Info view for that object. If there is only one object which matches the name you entered, the Object Info will be shown immediately, without a list of search results since that list would contain only one item!
Advanced Search In SkySafari Plus or Pro, you can search for objects based on properties other than their name s or catalog number s.
For example, you could search for all galaxies in Virgo brighter than magnitude 10, or all asteroids more than 45 degrees above the horizon. Please Note: this feature is not available in the basic version of SkySafari. To search for objects this way, tap the Advanced Search item below the text entry field.
Then select the following: Object Types: the kind s of objects you want to find - for example, Stars, Open Clusters,. Bright Nebulae, Galaxies, Planets, or Comets. You can choose more than one object type.. Range Restrictions: the limits for properties of objects you want to find.
Enter the minimum value in the left, and the maximum on the right. For example, to find objects with a magnitude between 4 and 5, enter "4" on the left and "5" on the right under Magnitude. If you leave any field blank, no limit will be applied to that value. For example, you can search for all objects closer than 10 light years by leaving the left side blank no minimum distance , and entering 10 on the right side maximum distance 10 light years under Distance.
Constellation: the constellation where you want to find objects. For example, to find only objects in Orion, choose Orion from the constellation list. If you want to find objects in any constellation, turn the wheel to "All Constellations" the default. Finally, tap Search at the bottom of the view. Your results will be displayed in an object list, just as if you'd searched for them by name.
To reset all of your advanced search parameters to their defaults, tap Reset All. Common Object Lists This section contains lists of the most commonly-known objects in the sky e. Choose a list to display the most commonly-known objects in that category. For example, the Planets list shows the major planets in our solar system; the Brightest Stars list shows the brightest stars in the sky; the Messier Objects list shows the most famous star clusters, nebulae, and galaxies, etc.
Objects currently above the horizon are listed with a brighter text color. Objects below the horizon are dimmed, but you can still select them. Choose a specific object from this list to bring up the Object Info view. This view displays basic information about the object, and contains buttons to center it in the sky chart or in your telescope's field of view. Tonight's Best is a list of the best objects that will be visible between tonight's dusk and tomorrow's dawn.
The objects in this list change depending on your location, and on the date. An object must reach at least six degrees above the horizon between astronomical dusk and dawn to be included in this list. In SkySafari's basic version, Tonight's Best list includes only brightest stars and planets visible to the naked eye, and the brightest and best-known deep sky objects that can be seen with a pair of binoculars.
SkySafari Plus and Pro add the best double and variable stars, star clusters, nebulae, and galaxies visible in small backyard telescopes. A few objects of extreme astrophysical or historical importance are also in the list, even if they're difficult or impossible to see in a backyard telescope - like Barnard's Star, Halley's Comet at least until , and Eris - the "dwarf planet" which dethroned Pluto as the solar system's outermost planet.
Objects in the list are sorted by their transit times, giving you a natural order in which to observe them. If you are viewing Tonight's Best list during daylight hours, many objects toward the end of the list may not have risen yet, and so are dimmed in the list. Similarly, if you are viewing Tonight's Best list in the early hours before dawn, objects near the start of the list may have already set, and so are also dimmed. You can tap this button to convert your list of search results, or the common object list, or the Tonight's Best list, into a custom observing list.
Custom observing lists keep track of objects you want to observe, and record logs of your observations. By default, SkySafari comes with a single, empty observing list called "My Favorites". To create additional lists, tap the Create New Observing List button at the bottom of the Search view. For more information on observing lists, see the Observing Lists Help section.
You can rearrange and delete observing lists. Here's how. On iOS, tap the Edit button at the top of the screen. Then tap and drag the "grip" icon on the right side of the list to move it around the screen. Tap and drag the - minus icon on the left side of the list to delete it. Tap the End Edit button at the top of the screen when you're finished. On Android, tap the Edit link at the top of the screen. Then tap the observing list you want to move or delete.
When finished, tap the End Edit link at the top of the screen. To move or delete items inside an observing list, use the same techniques after you've tapped on an individual list to view the items within it. You can do this both with common object lists, and custom observing lists. To change the way a list is sorted, first tap the Settings at the top of the list. Then choose the value to sort the objects by.
You can highlight objects in a list, to show their distribution in the sky. To highlight a list of objects, first tap the Settings at the top of the list.
Then turn on the Highlight Objects switch at the top of the settings. Objects in that list will then be highlighted with blue circles in the sky chart. The objects will be highlighted even if they are fainter than the sky chart's current magnitude limit, so you can easily find them. Only one object list can be highlighted at a time. If you turn on the Highlight Objects switch for one list, SkySafari will turn it off for all other object lists.
When the Highlight Objects switch is turned on, a small list icon appears in the sky chart, right above the middle of the toolbar.
Tapping this icon gives you the following choices: Show List: Returns you to the currently-highlighted object list, right at the point you last viewed the list. Unhighlight List: Turns off the list highlighting. Select Next Object: Selects and pans to the next object in the list following the currently selected object.
Surprise Me: Selects and pans to a random object in the list that is currently above the horizon. It also contains English-language description and images of several hundred of the brightest and best-known objects in the sky. Swipe the Object Info view left to see the description; swipe right to return to the object data. On iPads and other tablets, images are displayed in-line with object descriptions. On phones or other devices with smaller screens, you can tap on image links embedded in the descriptions to show full-screen images.
Buttons at the bottom of the view let you center the object in the sky chart, slew or align your telescope to the object, or - in SkySafari Plus and Pro - go into orbit around the object!
Object Data The exact information displayed depends upon the type of object you have selected e. At a minimum, SkySafari displays the following information for the object you selected: Names - the object's proper name, and any alternate names by which it is commonly known. Catalog Numbers - the object's numerical designation s in the catalogs of stars and deep sky objects most commonly used by astronomers.
The object's best-known catalog numbers are listed first. Description - the type of the object, and the constellation that it appears in. Apparent Size or Separation- how large the object appears in the sky, or the component separation for double stars; measured in arcminutes ' or arcseconds ".
The full moon appears about 30 arcminutes across. Double stars are typically separated by a few arcseconds. Visual Magnitude - how bright the object appears in the sky; smaller numbers imply a brighter object. Sirius, the brightest star in the sky, is magnitude Distance - the distance to the object, if it is known. For solar system objects, the distance is displayed in miles, kilometers, or Astronomical Units; 1 AU is the distance from the Earth to the Sun, or about For stars and deep sky objects, the distance is given in light years or parsecs.
One light year, the distance light travels in a year, is about 63, AU. One parsec is the distance from which the Earth's orbit appears 1 arcsecond in radius, and equals about 3. RA and Dec - the object's Right Ascension and Declination describe its position in the Equatorial coordinate system used with printed star atlases.
The Equatorial coordinate system rotates with the Earth, so the object's RA and Dec do not change unless the object itself is moving!
Azimuth and Altitude - the object's coordinates in the local Horizon coordinate system describe its current position in the sky.
As the Earth turns, the object appears to move across the sky, so these coordinates change even if the object itself is not moving. Rise and Set Times - when the object appears on the horizon for the current local day. Depending on your current latitude, and the object's declination, the object may not set e.
Polaris seen from the northern hemisphere ; or it may not rise e. Transit Time - if the object is visible from your location on the current date, the transit time is when the object crosses the meridian and appears highest in the sky. Angular Separation - SkySafari Plus and Pro show the object's angular separation and position angle from the Sun, from the last object you selected, and from the chart center.
In SkySafari Plus and Pro, when you're in orbit around another solar system object, the Object Info view provides all information about an object as it is seen from your perspective in orbit.
For example, it gives the constellation in which the object appears, and the object's visual magnitude and distance, as seen from your simulated location in space - not as seen from Earth. Events with a specific time have a small clock icon on the right. Tapping the clock will take you to that time and center the selected object, allow you to see the simulated event in the sky chart. Other Controls Along the bottom of the Object Info view are other buttons which let you center the object in the sky chart, go into orbit around it, slew your telescope to the object, or align the scope on the object.
Center - this button centers the object in the sky chart. See the Center button Help for more information. Instead, an arrow appears, leading you toward the selected object. Move your phone in the direction of the arrow to center the object in the field of view. When the object is centered, the arrow disappears, and your phone will be pointing toward the object's position in the sky. Orbit - this button lets you leave Earth and orbit the object, if it's a solar system object.
See the Orbit button Help for more information. These let you slew GoTo the object with your telescope, or to Align your telescope on the object. See the Scope Control view for more information about this. Observe - Tap this button to add the object to an observing list, log a new observation of the object, view all your logged observations of the object or to download a Deep Sky Survey DSS image of the object.
If you are adding an object to an observing list you only have one list, the object will be added to that list. If you have more than one list, SkySafari will let you choose which list you want to add the object to.
See the Observing Lists Help for more information. Galaxy View helps you visualize the 3-D location of stars and deep sky objects. The face-on image is an artist's rendition based on recent data from the Spitzer Space Telescope looking down from above the north galactic pole Objects in the left, face-on view are always drawn overlaid on the galactic disk so they will be visible. This does not imply the object is actually in the northern galactic hemisphere.
You should consult the right, edge-on view to see which hemisphere the object is actually in. You can also show the Galaxy view from the highlighted list's icon along the bottom of the chart.
In this case, all objects in the highlighted list are show in the view. In either case, if an object is outside the current field of view, a blue line is drawn in the direction it will be found. Share: Takes a snapshot of the view that may then be shared with others through Email, Facebook, iCloud Photo Sharing, etc. Auto Zoom: If the selected object is outside the viewable area, this will will zoom out to make the object visible.
If the selected object is very close to the Sun at the current zoom level, the command will zoom in to display the object better in relation to the Sun. Show Constellation Sectors: Divides the Milky Way galaxy in the neighborhood of the Sun into sectors, where each sector corresponds to the Milky Way constellation you would see when looking in that direction.
Showing the constellation sectors allows you to better understand which part of the Milky Way galaxy you are looking at when observing within a particular Milky Way constellation.
This spiral arm is appropriately called the Sagittarius Arm. This is looking in the direction toward which the Galaxy is rotating. When viewing the Milky Way in Auriga and Orion you are looking directly away from the galactic center, back through our own spiral arm. Reset: Resets the view to a zoom level where the whole Galaxy is visible.
Center The Center button centers the selected object in the sky chart. Use this button if the selected object has moved off screen, and you want to re-center it in the field of view. The selected object will stay centered if you zoom in or out, or animate the sky chart using the Time Flow controls.
If turned off, the chart jumps instantly to objects when you center them. Time Flow The Time button in the main Sky Chart toolbar displays a set controls which let you flow the date and time dynamically, or adjust it step-by-step. Tap the Time button to show these controls; tap it again to hide them. When visible, the time flow controls contain the following items: Current Time Label: The chart's current date and time is shown at the top of the panel.
If there is an underlined segment, this indicates the time unit that will be used for flowing or stepping time e. Tap the rightmost arrow to start the flow of time continuously forward; tap the leftmost arrow to flow time continuously backward. Tap either of these arrows to stop the flow of time. Time Step Arrows: The central arrows adjust the time by a single step, equal to the time unit you have selected underneath. For example, if you selected 1 day as the time unit, tapping the center right arrow will move the time forward by 1 day - but it will not continuously run the time by one day.
Now Button: Stops the flow of time, and returns to the current date and time indicated by your device's internal clock. Time Units Button: The button in the lower left shows the time unit you will change time by when stepping or flowing time. Tapping the button brings up a panel where you can change the time unit.
The unit can also be quickly changed by tapping the corresponding part of the time label at the top of the panel. For example you would tap the day part of the time and date to change the unit to days. In SkySafari Plus and Pro, the number in the time unit button is a multiplier applied to the time unit.
You can tap the button to enter a new multiplier with the numeric keypad - for example: 10 minutes, 7 days, seconds one sidereal day , or Please Note: in the basic version of SkySafari, you can only use time steps of exactly one minute, one day, etc.
You'll find that different astronomical phenomena are best simulated using different time units. For example: Second - best for showing the motion of fast-moving satellites. Minute - best at showing the daily rise-and-set motion of the Sun, Moon, and Stars.
Hour - best for showing the motion of Jupiter and Saturn's moons. Day - best for showing the motion of the planets against the background stars, as they and we!
Year - best for showing the orbital motion of binary star systems like Sirius and Alpha Centauri. Time flow is temporarily paused when another view like Search, Object Info, or Settings is present.
You can also use the Settings to change the simulated date and time. If you are using SkySafari to control a telescope, we do not recommend using Time Flow while the telescope is connected - simulating a view other than the current date and time may result in pointing the telescope at the wrong place in the sky!
Before connecting, select your telescope type and communication options in the Settings, under Scope Setup. By default, SkySafari's uses a "Demo" telescope. This is a dummy virtual telescope that lets you to use the controls without having a real scope connected.
To connect to a real telescope, choose the telescope type and communication parameters in the Settings. Please note: you can't use SkySafari's telescope controls when you are orbiting another object in the solar system.
To use them, first return home to Earth. Connecting and Disconnecting After setting up your telescope in the Settings, tap the Scope button in the toolbar to show the Scope Control view at the bottom of the screen. The Scope Control view contains a button which lets you connect or disconnect from the scope.
Connect: This button opens a connection to your telescope. If you are using an Android device with a paired bluetooth serial adapter, then SkySafari will use bluetooth for telescope communication.
Otherwise, SkySafari will use Wi-Fi for wireless telescope communication. Tapping it will connect and then guide you though an alignment process. Once you've connected, this button's title will change to Disconnect. Tapping it will end your telescope control session. Before tapping the Connect button, make sure you've selected the correct telescope type and communication options in the Settings.
Make sure the scope is powered on, and any necessary alignment procedures are completed. Consult your telescope manual for details on the scope's alignment procedure. After connecting, the sky chart is centered where SkySafari thinks the scope is pointing, as reported by your telescope. If this is wrong, your telescope is probably not star-aligned correctly.
While you're connected to a telescope, the Compass or Gyro button in the toolbar will be turned off. The sky chart cannot be centered on the telescope, and centered on the compass, at the same time.
Slewing and Aligning Once your telescope is connected, arrow buttons appear on the sides of the screen. The status bar expands to show the scope's coordinates and target object. The arrow buttons let you move the scope directionally.
A motion rate slider appears, to ket you control how fast the directional motion occurs. To select an object in the sky chart, tap on it, or use the Search view.
While a GoTo is in progress, this button's title changes to "Stop", and pressing it will issue a command to stop the currently-in-progress GoTo. You can use this as an "emergency stop" if the telescope is in danger of hitting something, or if you have accidentally slewed to the wrong object.
Note that not all telescopes support GoTo commands, and that you cannot GoTo an object which is below the horizon. Align: This synchronizes the scope to coordinates of the selected object. The bullseye indicator in the sky chart shows where the telescope thinks it is pointing. If that appears incorrect, the scope and the software must be synchronized. To do this: Physically point the scope at a real star in the sky, using SkySafari's arrow buttons or the scope control panel.
Center the object in the eyepiece. Select that same object in SkySafari to make it the current target object. Do this by tapping the object in the sky chart, or by searching for it by name.
Tap the Align button. Moving the telescope will cause the sky chart to move, following the telescope's motion. It subtracts that offset from the telescope's reported position whenever the telescope is within 10 degrees of the object you Aligned on. In other words, SkySafari performs a "local sync" around the alignment target. If you move the telescope to a very different part of the sky, you may want to Align on a target in that part of the sky. This eliminates the need to level your telescope mount base.
Simply set up your telescope, point it at the first alignment star, select that star in SkySafari, and tap "Align". Repeat the process with a second alignment star, choosing "Align" rather than "Restart Alignment" when asked. Your encoders should now be aligned to the sky. You can continue to align on additional second stars; but SkySafari only uses the two you most recently aligned on. If you want to forget the pervious alignment stars and align as your first star, choose "Restart Alignment".
Make sure your two alignment stars are at least 10 degrees apart; 90 degrees apart is ideal. SkySafari will warn you if your alignment stars are too close together, or if their positions don't match - for example, if you've accidentally selected the wrong alignment star in SkySafari, or you're not really pointing the telescope at that star in the sky.
SkySafari remembers the telescope's alignment until you quit the app, so you should not have to realign if you disconnect or are accidentally disconnected from the encoder control box. However, if you accidentally kick the telescope mount, or otherwise destroy your alignment, you can realign without having to quit SkySafari. To start over, point the telescope at a star, select the same star in SkySafari, and tap Align. When given the option, align on the star as the "First Star".
That will reset SkySafari's alignment process and start it over with the star you just selected. S for Dec. Orbit The Orbit button lets you leave Earth behind, and orbit the Sun, other Solar System objects, and even nearby stars. In the basic version of SkySafari for iOS, you can unlock the Orbit feature with a one-time in-app purchase. Entering Orbit and Returning to Earth To orbit a solar system object or another star, first select one by tapping on it in the sky chart, or by searching for one with the Search view.
Then tap the Orbit button. In a few seconds, you'll fly through millions of miles of space into orbit near the object you selected. If you select the Sun and then tap the Orbit button, you'll fly to a location Astronomical Units above the Sun, where you can see the entire solar system as a whole.
From there, you can select any other solar system object and fly into orbit around it. When you want to go home to Earth, tap the small Earth icon at the bottom of the sky chart.
SkySafari will fly you back to same Earthly location you left earlier.
Navigating in Orbit When you're orbiting a solar system object or nearby star, that object stays locked at the center of the sky chart. Swiping the chart moves you around the object. Two new buttons at the bottom of the sky chart let you fly toward or away from the object you're orbiting.
The status bar above the sky chart indicates your distance from the object. You can magnify the field of view by pinching and zooming, just as you can when viewing from Earth.
Zooming will not move you toward or away from the object you're orbiting; it simply changes the sky chart's field of view.
A planet can appear very large in the sky chart because you're far away from it but highly zoomed in, or because you're zoomed out but very close to the planet. Usually the distinction is obvious, but this is one thing to note in case you become confused. While you're orbiting another star or solar system object, you can center the sky chart on a different object by tapping it and tapping the "Center" button, or by searching for it and tapping the "Center" button in the Object Info window.
If you do this, swiping the chart will no longer move you around the object you're orbiting; it will simply pan the field of view. To resume orbiting the object, tap it to select it again, then tap either the "Center" or "Orbit" button. Using SkySafari in Orbit When you're orbiting another star or solar system object, certain SkySafari features are not available.
For example, you cannot use the compass or gyroscope, and you cannot use any telescope control features. These features are only designed to work when you're observing from the Earth's surface! SkySafari also adjusts some display settings when you leave Earth and enter "orbit mode". For example, planet and moon orbits are automatically displayed, and constellation lines are hidden.
The maximum field of view width is restricted to 90 degrees. SkySafari does these things to provide a clearer display. When you return home to Earth, your previous display settings are restored. When you're in orbit around another star or solar system object, the Object Info view provides all information about an object as it is seen from your perspective in orbit. When you are orbiting another star, SkySafari only displays stars in the Hipparcos catalog, and nearby stars whose distances are well known.
SkySafari does not display faint Tycho or Guide Star Catalog stars, because their positions in three-dimensional space are unknown. Therefore their apparent positions when seen from outside our Solar System cannot be accurately depicted. If turned off, you will jump instantly into orbit around objects when tapping the Orbit button instead of experiencing a few seconds of animated "flight".
As you move the phone around, the view on the sky chart follows your motion. You can identify stars and planets by holding your phone up next to them, and you can find any object in the sky by following an arrow that points in its direction.
Please note: some devices, like the iPod Touch and Kindle Fire, have a gyroscope but no compass. The toolbar icon for Compass will say Gyro instead.
You can activate the compass or gyro as follows: Tilt your device upward. Tap the Compass icon in the toolbar. On a device with gyro but no compass, tap the Gyro button in the toolbar to activate the gyro. Tap the Compass or Gyro button again, or touch any part of the sky chart, to turn the compass or gyroscope off. You can turn off "Tilt to Use" if you find that you're accidentally activating the compass too often, or if you prefer to activate it from the main toolbar.
Please note: in SkySafari Plus and Pro, the compass and gyroscope cannot be used when you are orbiting another object in the solar system. You can only use the compass when you are viewing from Earth. Using the Compass SkySafari uses the compass to center the sky chart on the direction you're holding your phone. You can also use it to find objects in the sky. To do this, first turn on the compass. Then tap Search, and enter the name of the object you're looking for.
When the Object Info view appears, tap the Locate button at the bottom of view. An arrow appears, leading you toward your selected object. Follow the arrow with your phone to center the object on the screen. In SkySafari Plus and Pro, the compass and altimeter will be turned off if you connect to a telescope, or lock on the telescope's position in the sky chart.
The sky chart cannot be centered on the telescope's position, and centered on the coordinates reported by the compass, at the same time. A note on accuracy: the solid-state compass built into most mobile devices is not very accurate, and easily affected by interference.
It can easily be wrong by ten degrees or more. The compass may be useful for locating bright objects in a general part of the sky, but it's certainly not accurate enough to point a telescope. So to find your way around the sky with the gyroscope, you'll need to use a slightly different process. First, locate a known reference object in the sky, like the Moon. Then search for the same object in SkySafari, and center it on the screen.
With the object centered, hold your device toward the object in the sky. The books include photocopies of the original sources, so moisture and deterioration are not so problematic. The field atlases are also photocopies stored into plastic folders see below. Anyway, loading the car makes one always lazy. So except in situations where you are spending two or more nights, think twice before loading your car with tons of material that likely you will not use.
Less equipment fully enjoyed will let in you better memories. Good sky maps are essential. It consists of 12, maps see the pictures.
Frequently you need to know exactly where the fuzzy you are chasing lies to perceive it. Thus, I usually choose the HB-C left to navigate to the place where my target is located.
Then, if necessary, I switch to my map collection left and below to boost the detail and to spot the object. The HB-C provides panoramic views, and usually plots at least a 9 magnitude star near the object, that can be seen in the corresponding one-degree circle. This is essential: a smaller atlas, such as Sky Atlas , does not guarantee plotting at least one star close enough to the object, and makes more difficult the identification.
I have tried the collection for half a year and I can affirm that is the best star atlas I have tried ever. For getting truly functional maps, I prepared an index section listing the objects first by constellation, then by RA, and then by DEC, that allow locating any object in a few seconds.
Each A4 page in the collection contains 54 maps gathered in blocks of six maps each right picture , and printed at dpi. The main folder contains a selection of the 6, best DSO, and the second, an extension for faint galaxies, galaxy clusters and objects that did not pass the filtering conditions.
As you can see, any of the 12, objects is presented with its basic data and a field of 1 degree centered on it. Just take the atlas you prefer and compare the details. I am now working in a program to plot high resolution maps. Moreover, I am considering in the near future a project of developing a new printed atlas, more powerful than the Millennium Atlas.
Do you want this atlas for you? I have prepared a PDF document with the first maps. It is free, follow this link. These considerations led me to the idea of seeking something similar to a giant binocular, but with larger magnification. Could a large spotting scope be useful in deep sky? Finally, I found something that fits in this idea.
It is a large spotting scope, which combines a 2. Both objectives can be interchanged by flipping a mirror. The light path is folded, so the instrument is surprisingly compact and light.
In order to make this telescope more functional, I coupled a 9x50 finder and a Manfrotto three-axis system on the geared head to make starhopping faster though keeping accuracy. The picture on the left shows the appearance of all the components assembled. Zooming the image reveals a lot of detail, and objects that are totally faded at less magnification become visible.
It is amazing to see how magnification brings to visibility objects totally imperceptible at x Obviously, the optical quality is not as good as in a true astronomical refractor, but anyway it is much better than that of giant binoculars.
This is an instrument for deep-sky objects, not for planets. The coatings are excellent, which is a very good point. That comfort was the main reason to bet for it. This instrument seems to have found a gap to fill, especially when the cold and wind are intense. In adverse situations, I unfold the tripod, fix the spotting scope, deployed two legs, lean the tripod by the car window south oriented , and I observe warm from inside.
Better than nothing! Furthermore: I must confess that starhopping in a summer night with just this instrument, the Herald-Bobroff astroatlas and the collection of maps to catch hard objects is really delicious, an experience that reminds my first years in deep sky observing. My opinion about spotting scopes in astronomy remains poor: they cannot compete when compared with true astronomical telescopes. However, for occasional observing, they offer the advantage of being easier to setup.