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Stellarium mobile plus

Stellarium Mobile Plus is the next generation astronomy star map app. It combines a realistic and accurate night sky simulation with a gigantic amount of online imaging and sky objects catalogs.

Made by the original creator of Stellarium, the award-winning open source planetarium, this Plus version was designed from the ground up to show a potentially unlimited amount of data through an intuitive and minimalist user interface.

Documentation

Stellarium Mobile Plus Features

This award-winning astronomy application is available on Android and iOS featuring:

All known stars: Gaia DR2 catalog of over 1.4 Billion stars
All known deep sky objects: a combined catalog of over 3 millions nebulae and galaxies
All known planets and their natural satellites, including very high multi-resolution imaging for the major ones
All known comets
Many minor solar system objects (10k asteroids)
Most visible artificial earth satellites (including the International Space Station)
A full-sky very high multi-resolution background image

For experimented astronomers it also includes:

Telescope control module: drive any telescope through an application compatible with the Stellarium Telescope Server protocol (see Telescope Control in Stellarium Mobile PLUS for details).

Please note that the app works perfectly without internet connection, but with a reduced set of data (2.5 M stars, 2.9 M DSOs, 10k asteroids).

Beside these features, it also includes most features already present in Stellarium Mobile app:

show the sky at any time and place
sensor control to identify a star in just a few seconds, just by pointing the phone at the sky!
asterisms and illustrations of the constellations for dozen of sky cultures
realistic landscape and atmosphere with sunrise & sunset
accurate simulation of atmosphere refraction
night mode (red)

Stellarium Mobile vs Stellarium Mobile Plus feature comparison:

Price	$ 2.99	$ 9.99
Nb. Stars	600K	1.6 G (All known stars)
Nb. Asteroids	150	10k (asteroids & comets)
Nb. Dso	160	2.0 M (Most known DSOs)
Full Solar System	Yes	Yes (All known planets and satellites)
Full Sky Imaging(DSS)	No	Yes
Artificial Satellites	Yes	Yes
High Res Planets	No	Yes
Moon Shadows	Yes	Yes
Telescope control	No	Yes