Top 49 Apps Similar to AstroCalendar

Mobile Observatory - Astronomy
Wolfgang Zima
Mobile Observatory is the perfect toolforanybody interested in the sky's wonders, from the occasionalskygazer to the passionate amateur astronomer.Do you want to know if the next lunar eclipse is visible fromyourlocation or when the next bright comet is visible? Would youliketo be notified by your smart phone next time, Jupiter and theMoonmeet in the sky? Do you want to know what the blazing brightobjectin the evening sky is? Do you want to be always up-to-datewhichcelestial events that are visible from your location? Thenthis appis a must-have for you!Mobile Observatory does not only include a live, zoomable skymapwhich tells you what sky object you are looking at but providesyouwith loads of detailed extra information on stars, planets,deepsky objects, meteor showers, comets, asteroids, lunar andsolareclipses as well as detailed ephemeris of all included skyobjectsand an interactive top-down view of the Solar System. Allthat injust one app!Main Features- Zoomable sky map showing stars, planets, asteroids, andmore(above and below the horizon)- Interactive top-down view of the Solar System- Live mode (point device on sky and get information on whatyousee)- Calendar showing detailed descriptions of celestial events- Push celestial events to your phone's calendar and set areminderalarm- Rise, set, and transit times for any object- Position of any object in the sky (altitude and direction)- Twilight times, length of day- Bright Star Catalog (~9000 stars) with detailed information- More than 400 000 additional stars from the PPM StarCatalog(Android 3.1 or higher required)- 2500 selected NGC objects (galaxies, clusters, ...)- Messier Catalog (110 objects) complete with images- Caldwell Catalog (110 objects) complete with images- Hidden Treasures Catalog (109 objects) complete with images- Meteor streams (begin, maximum, hourly rate, ...)- Lunar and solar eclipses information- Lunar librations, ascending node, maximum declination- Bright comets (automatically selected according to thedate)- Dwarf planets: The five known dwarf planets- Minor planets: bright, near Earth, trans-Neptune (more than10000in the database)- Update database online: download up-to-date orbital elementsofcomets and minor planets- Moon phases, the apparent view of the sun and planets- Current image of the Sun and sunspot number- Automatically generated visibility report for any object- Simulation of light pollution- Intuitive User Interface: quickly find what you arelookingfor- Widget with rise & set times of the Sun and Moon- Maintain your favorite locations in a list- Automatic location determination from the mobile networkorGPS- Select a location from a built-in database or online viaGoogleMaps- 400 observatory locations- Choose any time and date- Detailed ephemeris, visibility information of all objects- Dates of conjunctions between any object with planets ortheMoon- 3D-view of the Moon and the planets- Accurate calculations for dates between 1900 and 2100
DSO Planner Free (Astronomy) 3.8.2
DSO Planner Free is an astronomy observation planningtoolwithexcellent star charting capabilities made by activeandexperiencedamateur observers with a passion forvisualobservations. FreeEdition comes equipped with Yale brightstarcatalog (9 000 starsto 6.5m) and 220 deep sky objects (MessierandCaldwell catalogscontaining the brightest galaxies,nebula,globular clusters, openclusters and planetary nebula).Considerother Editions for morestars / objects. Applicationfeatures: +Planning tool. Filter anyobjects database by observerlocation, skycondition, astronomicalequipment, time range ofobservation andobject features (type,dimension, magnitude, minimalaltitude,visibility and other fieldsof own custom catalogs).Removeduplicate objects when searching inintersecting databases.Createup to 4 observation lists. Easilytrack observed and remainingto beobserved objects with notetaking tool + Double Star catalog.50brightest double stars fromYale catalog. Info Panel with PAandseparation for each component.+ Unique visibility tool.Onlyobjects that are visible withselected equipment in the currentskyconditions could be shown onthe Star Chart + Cross-matchnamesdatabase. Search objects by lesscommon names + FamousSteveGottlieb Notes attached to NGCICobjects + Offlineimages.Integrated set of deep sky object images+ DSS imagerysupport.Download DSS (Digitized Sky Survey) imagesof any skyportion intooffline cache and overlay it on the starchart + PushTofordobsonian mounts with setting circles. Levelyour dobsonianmountand perform one star alignment. The programwillautomaticallyrecalculate az/alt numbers to easily hunt theobject +Nebulacontours. Contours of famous nebulae + Objectcontours.Ellipse inreal dimension and orientation on the skychart + BrightSolarSystem objects. Sun, Moon, Mercury, Venus,Mars, Jupiter,Saturnshown on the sky chart + Night mode. Redkeyboard and menus +Notetaking. Take text and/or audio notes +Observing places. GPS,manualcoordinates, custom lists. Databasewith 24 000 citiesworldwide +Equipment. Keep track of all yourtelescopes andeyepieces. Use themfor object visibilitycalculation and starcharting + Twilightcalculator. Sun, Moon rise/ transit / set. MoonPhase. Civil,Nautical, Astronomicaltwilights. + 2 visual themes(bright anddark) + Powerfulshare/export/import capabilities (ofdatabases,observation lists,notes) Disclaimer
Mobile Observatory Astronomy 3.3.10
Wolfgang Zima
Your resource for stars, planets, the Sun, the Moon,andastronomical events
StarSense Explorer 1.1.8.2
Celestron
Use your phone's camera, gyro, and a Celestron telescope to seetheuniverse!
SkEye | Astronomy
Harshad RJ
A map of stars, planets, meteor showers, galaxies and nebulae.
Mobile Observatory Free - Astronomy
Wolfgang Zima
Your resource for stars, planets, the Sun, the Moon,andastronomical events
SkyPortal 3.5.1.2
Celestron
Celestron Telescope Controller and Planetarium application
SynScan Pro 2.4.10
App to control motorized equatorial telescope mountsfromSky-Watcher or Orion
WinStars 3 - Astronomy 3.0.168
(Minimum recommended configuration: Android 6.0 with 1.5 GB ofRamminimum and openGL ES 3.0.) WinStars is a planetarium runningoncomputers, tablets and mobiles. It is a 3D simulatorthataccurately represents celestial objects at a given time. Italsoallows you to travel in our galaxy and its close neighbourhood.Athread dedicated to scientific news allows you to followanddisplay in the software the results of research currentlyconductedin astrophysics. New functions will be progressively addedin orderto convert the software into a pedagogical tool dedicatedto thediscovery of our Universe. Main features: - Visualise the skyas itwas 500 years ago or as it will be in 10,000 years! - Discoverthenames of the main stars or locate the constellations by movingyourmobile. WinStars will help you to identify the objects youarepointing at. - Are you looking for an object? Just type itsnameand let the software guide you. - Is Messier 31 observabletonight?Simply click on the galaxy and display its identity sheet.You willfind details on its visibility (rise and set times). - Thesoftwareincludes a huge database of billions of objects. - Eachobject hasa detailed card which is updated in real time (distances,rightascension, declination, azimuth, altitude and magnitude). - Itispossible to follow the trajectory of all the satellites inorbitaround the Earth and anticipate, for example, the passage oftheInternational Space Station (ISS) over your head. - Representswithprecision the position of the main satellites of Mars,Jupiter,Saturn, Uranus and Neptune. All you need to do is zoominginsufficiently on the main planet. - Also calculates the positionofhundreds of thousands of additional objects in our solarsystem(comets and asteroids). - Indicates the significantastronomicalphenomenons visible from your observation location. -Plots thecelestial equator, the ecliptic, the azimuthal andequatorialcoordinate grids. - Represents the orbits of the planetsin 3D. -Easy installation of additional modules. - Automatedsoftwareupdates. - Customisable landscapes. - Available languages:English,French, German, Russian, Spanish. The free version offersmost ofthe functions available, but the acquisition of a licenceprovidesan additional enhancement to the software: - Add the GaiaDR2catalogue containing 1.7 billion stars… up to the magnitude22!(internet connection required). - Explore the stars close toourSun. - Leave the Milky Way and visit other galaxies. Discoverthelarge-scale structures of our Universe. - Planetaryrenderingsurfaces in 3D with improved textures. - Displays theDSS(Digitized Sky Survey) digitized sky in various wavelengths. -Addinterplanetary missions. WinStars is in constant evolution. Doyouhave a suggestion or have you found an error ? Send me a [email protected] Errors are often corrected in anhour!Documentation : https://winstars.net/docs/enVisithttps://winstars.net/en for more information about thesoftware.
COSMIC WATCH: Time and Space 2.70
Experience the sky, planet earth and the solar system likeneverbefore
DSO Planner Plus (Astronomy) 3.4.0
DSO Planner Plus is an astronomyobservationplanning tool with excellent star charting capabilitiesmade byactive and experienced amateur observers with a passion forvisualobservations. It has large integrated deep sky objectsdatabasesand star catalogs, and provides an opportunity to createany numberof user own object databases. The application excels atcreatingobservation plans on the fly, has powerful notetakingcapabilities, PushTo and GoTo support and night (red)mode.Consider Pro Edition if you need more stars/PGC objects.Before installation please make sure that you have at least 540MBoffree space on your internal SD card to downloadapplicationdatabases! (Note: due to Google Play rules this datacannot bemoved to your external SD card - you must have 540MB freeon yourinternal SD card!)+ Star catalogs. USNO UCAC4 (full star coverage to 14m, 15.4mnstars), Tycho-2 (2.5 mn stars), Yale bright star catalog (9000stars)+ Deep sky catalogs. NgcIc (12 000 objects includingMessier,Caldwell and Herschel 400 objects), SAC (Saguaro AstronomyClubdatabase, 10 000 objects), UGC (13 000 objects), Lynds darkandbright nebula (3 000 objects), Barnard dark nebula (350objects),SH2 (300 objects), PK (1 500 planetary nebula), Abellcluster ofgalaxies (2 700 objects), Hickson Compact Group (100objects), PGC(153 000 galaxies to 16.7m)+ Double Star catalog. Brightest Double Stars (2 300stars),Washington Double Star Catalog (120 000 stars), double starsfromYale catalog. Info Panel with PA and separation foreachcomponent.+ Comet support. Orbital elements of around 700 observablecometscould be automatically updated via internet+ Minor planet support. Database of 10 000 brightestminorplanets+ Famous Steve Gottlieb Notes attached to NGCIC objects+ Custom catalogs. Unlimited capability to create fullysearchableown catalogs+ Cross-match names database. Search objects by lesscommonnames+ DSS imagery support. Download DSS images of any sky portionintooffline cache and overlay it on the star chart+ Offline images. Integrated set of images of most NgcIcobjects,opportunity to add own images when creating customcatalogs+ Nebula contours. Contours of famous nebulae+ Object contours. Ellipse in real dimension and orientation+ Night mode. Fully red screen with red keyboard and menus+ PushTo for dobsonian mounts with setting circles. Levelyourdobsonian mount and perform one star alignment. The appwillautomatically recalculate az/alt numbers to easily hunttheobject+ GoTo for Meade and Celestron controllers withbluetoothdongle+ Unique visibility tool. Only objects that are visiblewithselected equipment in the current sky conditions could be shownonthe Star Chart (for objects from NGCIC/SAC/PGC catalogs)+ Planning tool. Filter any objects database by observerlocation,sky condition, astronomical equipment, time range ofobservationand object features (type, dimension, magnitude, minimalaltitude,visibility and other fields of own custom catalogs).Removeduplicate objects when searching in intersecting databases.Createup to 4 observation lists. Easily track observed andremaining tobe observed objects with note taking tool+ Import tool. Import observation lists in Sky Safari and SkyToolsformat. Use pre-compiled Night Sky Observer Guideobservationlists.+ Note taking. Take text and/or audio notes+ Observing places. GPS, manual coordinates, custom lists.Databasewith 24 000 cities worldwide+ Equipment. Keep track of all your telescopes and eyepieces.Usethem for object visibility calculation and star charting. Use500popular eyepieces database+ Twilight calculator. Calculation of the full darkness foracurrent night and for a month ahead.+ 2 visual themes (bright and dark)+ Powerful share/export/import capabilities (ofdatabases,observation lists, notes)Disclaimer
Stellarium Mobile PLUS - Star Map 1.6.0
Noctua Software
Stellarium Mobile Plus - Star Map is a planetarium app thatshowsexactly what you see when you look up at the stars. Identifystars,constellations, planets, comets, satellites (such as theISS), andother deep sky objects in real time in the sky above youin just afew seconds, just by pointing the phone at the sky!Thisaward-winning astronomy application has an easy to useandminimalist user interface, that makes it one of thebestastronomical applications for adults and children who wanttoexplore the night sky. This Plus version will also satisfy themostdemanding astronomy enthusiasts thanks to its massivecollection ofsky objects (up to magnitude 22 versus magnitude 10 inthe standardversion) and advanced observing features forcontrolling telescopesor preparing observing sessions. StellariumMobile Plus features: ★View an accurate night sky simulation ofstars and planets for anydate, time and location. ★ Reach the limitof knowledge by divingin a massive collection of stars, nebulas,galaxies, star clustersand other deep sky objects:   • All knownstars: Gaia DR2 catalogof over 1.69 billion stars   • All knownplanets, naturalsatellites and comets, and many other minor solarsystem objects(10k asteroids)   • Most known deep sky objects: acombined catalogof over 2 million nebulas and galaxies ★ Zoomalmost without limitson high resolution images of the Milky Way,Deep Sky Objects orplanetary surfaces. ★ Discover how people livingin other regionsof the planet see the stars by selecting the shapesandillustrations of the constellations for many sky cultures. ★Trackartificial satellites, including the International SpaceStation. ★Simulate landscape and atmosphere with realistic sunrise,sunsetand atmosphere refraction. ★ Discover 3D rendering of themajorsolar system planets and their satellites. ★ Observe the skyinnight mode (red) to preserve your eyes adaptation to darkness.★Observe in the field, even without internet connection, witha"reduced" set of data: 2 million stars, 2 million Deep SkyObjects,10k asteroids. ★ Control your telescope through Bluetoothor WIFI:drive any GOTO telescope compatible with NexStar, SynScanor LX200protocols. ★ Prepare your observing sessions using theadvancedobservation tools, to predict a celestial objectobservability andtransit times. Stellarium Mobile Plus - Star Mapis made by theoriginal creator of Stellarium, the well known opensourceplanetarium and one of the best astronomy applications onDesktopPC.
Astrolapp Live Planets and Sky 5.2.1.6-playstore
Watch Planets, Stars and Constellations, in Live Mode orasAstronomical Clock
SkySafari 6 Plus 6.8.7.2
Astronomy Guide To The Constellations, Stars, & Planets.ControlYour Telescope.
DSO Planner Basic (Astronomy) 3.4.0
DSO Planner Basic is an astronomyobservationplanning tool with excellent star charting capabilitiesmade byactive and experienced amateur observers with a passion forvisualobservations. Basic Edition version comes equipped with Yalebrightstar catalog (9 000 stars to 6.5m), 600 000 stars to 10.7mfromTycho-2 catalog, 3 100 brightest objects from NGCICcatalog,observable comets (around 700) and 500 brightest minorplanets. Theapplication excels at creating observation plans on thefly, haspowerful note taking capabilities, PushTo and GoTo supportandnight (red) mode.Consider Plus/Pro Edition if you need more objects/starsandopportunity to create your own object databases.Before installation please make sure that you have at least 100MBof free space on your internal SD card to downloadapplicationdatabases! (Note: due to Google Play rules this datacannot bemoved to your external SD card - you must have 100 MB freeon yourinternal SD card!)+ Deep sky catalogs. NgcIc (3 100 objects includingMessier,Caldwell and Herschel 400 objects)+ Double Star catalog. 500 double stars from Yale catalog shownonStar Chart. Info Panel with PA and separation foreachcomponent.+ Comet support. Orbital elements of around 700 observablecometscould be automatically updated via internet+ Famous Steve Gottlieb Notes attached to NGCIC objects+ Cross-match names database. Search stars / objects by lesscommonnames+ DSS imagery support. Download DSS images of any sky portionintooffline cache and overlay it on the star chart+ Offline images. Integrated set of images of mostNgcIcobjects+ Nebula contours. Contours of famous nebulae+ Object contours. Ellipse in real dimension and orientation+ Night mode. Fully red screen with red keyboard and menus+ PushTo for dobsonian mounts with setting circles. Levelyourdobsonian mount and perform one star alignment. The appwillautomatically recalculate az/alt numbers to easily hunttheobject+ GoTo for Meade and Celestron controllers withbluetoothdongle+ Unique visibility tool. Only objects that are visiblewithselected equipment in the current sky conditions could be shownonthe Star Chart+ Planning tool. Filter any objects database by observerlocation,sky condition, astronomical equipment, time range ofobservationand object features (type, dimension, magnitude, minimalaltitude,visibility). Remove duplicate objects when searchinginintersecting databases. Create up to 4 observation lists.Easilytrack observed and remaining to be observed objects withnotetaking tool+ Import tool. Import observation lists in Sky Safari and SkyToolsformat+ Note taking. Take text and/or audio notes+ Observing places. GPS, manual coordinates, custom lists.Databasewith 24 000 cities worldwide+ Equipment. Keep track of all your telescopes and eyepieces.Usethem for object visibility calculation and star charting. Use500popular eyepieces database+ Twilight calculator. Calculation of the full darkness foracurrent night and for a month ahead+ 2 visual themes (bright and dark)+ Powerful share/export/import capabilities (ofdatabases,observation lists, notes)Disclaimer
Telescope calculator (no ads) 3.5.1
א.מ.
Calculation of parameters and characteristics oftelescopesusingdifferent eyepieces and visualization. Settings:-language(Russian, English, Hungarian, Spanish, German,French,Romanian,Croatian, Italian, Sinhala, Norwegian, Persian,Polish,Japanese,Portuguese, Korean, Catalan, Dutch, Arabic,Greek,Malay,Luxembourgish, Hindi, Indonesian , Ukrainian,Hebrew,Sardinian,Czech, Swedish, Finnish, Chinese, Bengali,Tamil,Slovenian,Turkish, Bosnian, Thai, Bulgarian, Vietnamese) -scale -text fontsize - input by the slider - comparison oftelescopes -bookmarks -Moon phases - help - swipe Telescope: - Listoftelescopes -Diameter - Focal length - Focuser Eyepiece: -Eyepiecelist - Focallength - Field of view - Barlow lens Camera: -list ofcameras -pixel size - image size - matrix size -BinningCalculations: -Magnification - Stellar magnitude - Field ofview -Maximum fieldof view - f-number - Diameter of exit pupil -Angularresolution -Size of craters on Moon - 2D, 1.4D, 1D, 0.7D,0.5D -Sun - ISSPlanets: - Mercury - Venus - Earth - Mars - Jupiter-Saturn -Uranus - Neptune - Pluto Asteroids: - Ceres - Pallas -Juno- Vesta- Ida - Gaspra Satellite: - Moon - Titan - Io - Europa-Ganymede -Callisto - Titania - Ray Messier: M1, M8, M13, M16,M17,M20, M27,M31, M33, M42, M45, M51, M57, M58, M63, M64, M74,M78,M81, M82,M83, M88, M97, M99, M100, M101, M104, M108 NGC: 891,2359,2392,2440, 4565, 4631, 5189, 6302, 6543, 6960, 6979, 7000,7662IC:1805, 1848, 2118
OSR Star Finder - Find Stars 3.017
Find constellations & stars and view the universe with theFREEStar Finder app!
Good To Stargaze 2.9.5
Weather, seeing, transparency, and light pollution
DSO Planner Pro (Astronomy) 3.8.7
Astronomical observation planning tool with excellent starchartingcapabilities
Light Pollution Map - Dark Sky 5.1.0
An accurate light pollution map with more than 100 otherastronomytools.
Virtual Microscope - Minerals 2023.8.1
farcraft
Interactive thin sections of minerals under the microscope.
SkEye Pro
Harshad RJ
Explore the Night Sky
Heavens-Above
Heavens-Above
Identify lights in the night sky, predict passes of the ISS andofsatellites
Galaxy Map - Stars and Planets 5.4.2
Space map. Explore the universe and the Milky Way galaxy.Astronomyguide
Nightshift Stargazing 16.7
Stargazing forecast | Sky view & star chart | Events inthenight sky
PolarAligner Pro (Astro Tool) 6.2
The Polar-Aligner is a great tool to align your equatorialtelescopemount
Stellinapp
Vaonis
Control app for the Stellina telescope
OnStep Controller2 2.610
OnCue
Telescope mount Hand Controller App for OnStep.
Constellation Map 1.124
siranet
Point your device to the sky and this app will display the namesofthe stars.
Star Chart Infinite 4.2.2
The premium version of the world famous star gazing andastronomyapp.
SkySafari 6 Pro 6.8.7.2
Professional Award-Winning Astronomy Star Map App WithTelescopeControl
Heavens-Above Pro
Heavens-Above
Identify lights in the night sky, predict passes of the ISS andofsatellites
Starlight - Explore the Stars 2.0.6
ION6, LLC
Find planets, stars, and constellations! A cosmic tour de forceforstargazing!
Redshift Sky Pro - Astronomy 1.4.2
USM
Professional Astronomy and sky observation
Space Now - Launches, Images, 4.0.4
Nilatac Lab
Space Launches, Space Images from NASA and Hubble, Space News
Armillary Sphere 1.0.3
HKU TELI
Measure and record specific times, locations and movement of theSunand stars.
SkySafari Legacy 6.8.6.17
Astronomy Guide to the Night Sky
Skywheel 1.9.6
xeronaut.com
A simple map of the sky that shows the positions of the sun,moonand planets.
Cozmic Zoom 2.6.2
Tokata
The whole universe in your hand!
PolarFinder Pro 2.5.0
Application required to perform precise polar alignment.
Sky Guide 2.5.1
A clear and detailed star chart with a wealth ofadditionalfunctionality
AstroReality 1.9.8
AstroReality planetary model AR experience APP
Star Chart AR 1.4.1
View the Earth & Solar System in Augmented Reality withStarChart AR
Star Hoppers 2.2
Star Hoppers integrates the Chinese and Western star charts.
LunarMap HD 1.41
Many hi-res zoomable moon maps. Perfect for lunar viewing atthetelescope.
Pocket Optics 1.3.2
Alpa-Tek
Interactive demonstration of geometric (ray) optics.
CrowdMag 2.0.2
Use compass, get magnetic variation, record mag data and beacitizen scientist!
Star Chart
Used by over 20 million people world-wide,StarChart provides a magical star gazing experience like noother.*****You can now have a virtual planetarium in your pocket! Lookthroughthe eyes of your Android device to see a virtual window intothewhole visible universe.All you have to do is point your Android deviceº at the sky andStarChart will tell you exactly what you are looking at.Using state of the art GPS technology, an accurate 3D universe,andall of the latest high tech functionality, Star Chart calculates–in real time - the current location of every star andplanetvisible from Earth and shows you precisely where they are;even inbroad daylight!Want to know what that bright star is called? Point your deviceatit – you might just find out it’s a planet!Want to know what the night sky looks like to people on theotherside of the earth? Well just point your device down!Want to know where your star sign is in the sky? Star Chartwilltell you all this and more.Star Chart's features include:- Just point and view. No need to scroll around the screen tofindout what you are looking at*.- Alternatively, look around the sky using finger gestures –perfectfor armchair astronomers!- Voice Control: Explore the solar system with commands like:"Flyme to the Moon" / "Go to Saturn" / "Tour Mars" / "LookatAndromeda" / "Where is the Cigar Galaxy?"[English only]- Supports dynamic device orientation viewing. Allows you toviewthe night sky whilst holding your Android device atanyangle.- Accurately depicts all the visible stars of the northernandsouthern hemispheres - a total of over 120,000 stars!- Fly to and explore all the planets of the solar system,theirmoons and the sun all rendered in beautiful 3D with state oftheart visual effects.- Displays all 88 constellations, with constellation imagerybasedon the beautiful artwork by 17th century astronomerJohannesHevelius.- Includes entire Messier catalogue of exotic deepskyobjects.- Using the powerful Time Shift feature allows you to shift upto10,000 years forward or backward in time.- Tap on anything in the sky and get the facts on what youarelooking at, including distance and brightness.- Very powerful zoom function, lets you view the sky inextradetail, using intuitive finger gestures.- Fully configurable. Star Chart displays only the sky objectsthatyou are interested in.- Allows you to view the sky underneath the horizon. So now youcansee where the sun is, even at night!- Manually set your location to find out what the sky lookslikefrom anywhere in the world.- Full search featureSo point your Android device at the sky and see what'soutthere!------------Star Chart is published by Escape Velocity Ltd and developedbyEscapist Games Ltd. We update Star Chart regularly, so pleasesendus your feedback and feature [email protected] thanks for all your feedback so far!Like us on Facebook: www.facebook.com/starchartFollow Star Chart on Twitter: StarChartAppº Augmented Reality (AR) mode only available if your devicesupportsit, as this feature requires a built-in compass. Manualscrolling issupported on all other devices.* Star Chart does not require internet access for normalusage.Internet access is only required initially to verify thelicenseand subsequently when accessing the support page andexternallinks.
Planet Finder + 5.1
JtApps
Astronomy app to find planets, moons, stars, galaxies and more