Astro Planner

Store description excerpt

Plan every astrophotography shoot with precision. Astro Planner gives you all the data you need to capture stunning night sky photos — no subscription, no account required. Most features work fully offline. No ads. No tracking. No subscriptions. Pay once, use forever. ━━━ SUN & MOON ━━━ • Sun and moon rise/set times for any location • Azimuth positions on an interactive compass dial • Plan compositions with landmarks at the right moment ━━━ GOLDEN & BLUE HOUR ━━━ • Precise morning and evening golden-hour windows • Blue-hour times for that deep-cool light • Calculated for your exact location and date ━━━ MOON PHASE CALENDAR ━━━ • Full monthly calendar with phase icons and illumination % • Find the darkest nights for deep-sky imaging • Plan moonlit landscapes around the gibbous ━━━ LIGHT POLLUTION MAP ━━━ • Interactive map with Bortle-scale overlay • Find dark skies near you, drive less • Tap any location for its Bortle level ━━━ MILKY WAY VISIBILITY ━━━ • Galactic-center altitude over the next 24 hours • Visibility window factoring twilight + moon brightness • Know exactly when the core is up ━━━ AURORA TRACKER ━━━ • Real-time Kp index from NOAA SWPC • 3-day forecast chart with observed + predicted • "Visible at your latitude" verdict based on geomagnetic position ━━━ BUILT FOR PHOTOGRAPHERS ━━━ • Mostly offline — calculations run on-device (aurora needs internet) • Dark theme — preserves your night vision in the field • Date picker — plan days, weeks, or months ahead • GPS for accurate data wherever you are • Home screen Moon widget — phase, illumination, rise and set • English and Portuguese ━━━ HOW IT WORKS ━━━ Astronomical calculations are powered by the astronomia Dart library — a port of Jean Meeus's Astronomical Algorithms, the gold standard for celestial position math. No scraping prayer-time websites. No dependency on external servers (except NOAA for live aurora data). Real math, running locally.

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