A Calendar & Planner app based on the Sirius Star used by theAncient Egyptians

Solar System fantasy on your Android

Universal astronomy ephemeris App for calculating high precisionephemeris

DSO Planner Plus is an astronomy observationplanning tool with excellent star charting capabilities made byactive and experienced amateur observers with a passion for visualobservations. It has large integrated deep sky objects databasesand star catalogs, and provides an opportunity to create any numberof user own object databases. The application excels at creatingobservation plans on the fly, has powerful note takingcapabilities, 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 540MBof free space on your internal SD card to download applicationdatabases! (Note: due to Google Play rules this data cannot bemoved to your external SD card - you must have 540MB free on yourinternal SD card!)+ Star catalogs. USNO UCAC4 (full star coverage to 14m, 15.4 mnstars), Tycho-2 (2.5 mn stars), Yale bright star catalog (9 000stars)+ Deep sky catalogs. NgcIc (12 000 objects including Messier,Caldwell and Herschel 400 objects), SAC (Saguaro Astronomy Clubdatabase, 10 000 objects), UGC (13 000 objects), Lynds dark andbright nebula (3 000 objects), Barnard dark nebula (350 objects),SH2 (300 objects), PK (1 500 planetary nebula), Abell cluster ofgalaxies (2 700 objects), Hickson Compact Group (100 objects), PGC(153 000 galaxies to 16.7m)+ Double Star catalog. Brightest Double Stars (2 300 stars),Washington Double Star Catalog (120 000 stars), double stars fromYale catalog. Info Panel with PA and separation for eachcomponent.+ Comet support. Orbital elements of around 700 observable cometscould be automatically updated via internet+ Minor planet support. Database of 10 000 brightest minorplanets+ Famous Steve Gottlieb Notes attached to NGCIC objects+ Custom catalogs. Unlimited capability to create fully searchableown catalogs+ Cross-match names database. Search objects by less commonnames+ DSS imagery support. Download DSS images of any sky portion intooffline cache and overlay it on the star chart+ Offline images. Integrated set of images of most NgcIc objects,opportunity to add own images when creating custom catalogs+ 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. Level yourdobsonian mount and perform one star alignment. The app willautomatically recalculate az/alt numbers to easily hunt theobject+ GoTo for Meade and Celestron controllers with bluetoothdongle+ Unique visibility tool. Only objects that are visible withselected equipment in the current sky conditions could be shown onthe Star Chart (for objects from NGCIC/SAC/PGC catalogs)+ Planning tool. Filter any objects database by observer location,sky condition, astronomical equipment, time range of observationand object features (type, dimension, magnitude, minimal altitude,visibility and other fields of own custom catalogs). Removeduplicate objects when searching in intersecting databases. Createup to 4 observation lists. Easily track observed and remaining tobe observed objects with note taking tool+ Import tool. Import observation lists in Sky Safari and Sky Toolsformat. Use pre-compiled Night Sky Observer Guide observationlists.+ 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. Use 500popular eyepieces database+ Twilight calculator. Calculation of the full darkness for acurrent night and for a month ahead.+ 2 visual themes (bright and dark)+ Powerful share/export/import capabilities (of databases,observation lists, notes)Disclaimer

Pioneer the New Frontier in Astronomy.

Teach & Learn astronomy: 3D model of our solar system foreducational purposes📚

DSO Planner Basic is an astronomy observationplanning tool with excellent star charting capabilities made byactive and experienced amateur observers with a passion for visualobservations. Basic Edition version comes equipped with Yale brightstar catalog (9 000 stars to 6.5m), 600 000 stars to 10.7m fromTycho-2 catalog, 3 100 brightest objects from NGCIC catalog,observable comets (around 700) and 500 brightest minor planets. Theapplication excels at creating observation plans on the fly, haspowerful note taking capabilities, PushTo and GoTo support andnight (red) mode.Consider Plus/Pro Edition if you need more objects/stars andopportunity to create your own object databases.Before installation please make sure that you have at least 100 MBof free space on your internal SD card to download applicationdatabases! (Note: due to Google Play rules this data cannot bemoved to your external SD card - you must have 100 MB free on yourinternal SD card!)+ Deep sky catalogs. NgcIc (3 100 objects including Messier,Caldwell and Herschel 400 objects)+ Double Star catalog. 500 double stars from Yale catalog shown onStar Chart. Info Panel with PA and separation for eachcomponent.+ Comet support. Orbital elements of around 700 observable cometscould be automatically updated via internet+ Famous Steve Gottlieb Notes attached to NGCIC objects+ Cross-match names database. Search stars / objects by less commonnames+ DSS imagery support. Download DSS images of any sky portion intooffline cache and overlay it on the star chart+ Offline images. Integrated set of images of most NgcIcobjects+ 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. Level yourdobsonian mount and perform one star alignment. The app willautomatically recalculate az/alt numbers to easily hunt theobject+ GoTo for Meade and Celestron controllers with bluetoothdongle+ Unique visibility tool. Only objects that are visible withselected equipment in the current sky conditions could be shown onthe Star Chart+ Planning tool. Filter any objects database by observer location,sky condition, astronomical equipment, time range of observationand object features (type, dimension, magnitude, minimal altitude,visibility). Remove duplicate objects when searching inintersecting databases. Create up to 4 observation lists. Easilytrack observed and remaining to be observed objects with notetaking tool+ Import tool. Import observation lists in Sky Safari and Sky Toolsformat+ 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. Use 500popular eyepieces database+ Twilight calculator. Calculation of the full darkness for acurrent night and for a month ahead+ 2 visual themes (bright and dark)+ Powerful share/export/import capabilities (of databases,observation lists, notes)Disclaimer

AstroCalendar - Calendar of astronomical and stargazing events

Smartphone app for day to day practice of Geo-Technical Engineers.

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