"Worth it! I wanted to learn the constellations I see, and this taught me quickly in a fun way."

-- Geoff  (Google Play Review)

SEXTANT STARS 

Night sky familiarization trainer. Learn to find and recognise the bright navigational stars and their constellations. Gain a feel for their diurnal and seasonal trajectories

CELNAV 360

Determine your geographical position from the sun, moon, stars and planets. 

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