🛰️ SNAP (SNAP's Not an Astro Photographer)

Next 90 min — what to shoot now

Cloud: observed (MODIS / GOES-IR / Meteosat / Himawari). Score sorts by p(unobstructed) × lighting fit × nadir proximity × priority. Tap any score to see the breakdown.

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Next 36 hours — what to plan for

Cloud: forecast (GFS, hourly). Same score formula as Queue but uses forecast cloud at each pass time; less certain by design. Tap any score for the breakdown.

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day twilight eclipse

Profile — per-astronaut settings

Each astronaut has their own URL (e.g., ?u=jack). Switching profiles reloads the page so per-profile caches stay clean.

Photo lookup — where was ISS?

Paste a UTC timestamp or drop a photo with EXIF. Get a pin on the map plus a .kml for Google Earth.

Drop a photo here, or

JPG · HEIC · NEF · CR2/CR3 · ARW · DNG · TIFF

Calibration log