AstroTools: Stargazing Weather
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About this app
Astronomy Weather
Observing conditions scored from 0 to 100 based on cloud cover, humidity, wind, visibility, dew point, and atmospheric transparency. Hourly forecast for several nights ahead with charts. Multiple weather models supported: Open-Meteo, ECMWF IFS, DWD ICON. Best observation window recommendations, dew and Moon influence warnings.
Moon
Current phase with realistic visualization, illumination, age, and distance to the Moon. Position in the zodiac, moonrise, moonset, and transit times. Upcoming phases forecast and lunar eclipse calendar for the year.
Aurora
Current Kp index and 3-day geomagnetic activity forecast. Solar wind data: speed, density, Bz/Bt components, and temperature. Dst index and magnetic storm classification (G1–G5). Aurora visibility determination for your latitude.
Light Pollution Map
Interactive map with light pollution overlay. Bortle scale (1–9), sky quality (SQM), naked eye limiting magnitude (NELM). Tap any point on the map to check the light pollution level.
NASA Picture of the Day
Gallery of the best astrophotography from NASA (Astronomy Picture of the Day) for the last 14 days with descriptions.
Extras
• Notifications about good weather, full moons, and eclipses
• Night mode with red filter to preserve dark adaptation
• Location search and saving
• Works without registration
• Interactive cloud-cover map for tonight
Observing conditions scored from 0 to 100 based on cloud cover, humidity, wind, visibility, dew point, and atmospheric transparency. Hourly forecast for several nights ahead with charts. Multiple weather models supported: Open-Meteo, ECMWF IFS, DWD ICON. Best observation window recommendations, dew and Moon influence warnings.
Moon
Current phase with realistic visualization, illumination, age, and distance to the Moon. Position in the zodiac, moonrise, moonset, and transit times. Upcoming phases forecast and lunar eclipse calendar for the year.
Aurora
Current Kp index and 3-day geomagnetic activity forecast. Solar wind data: speed, density, Bz/Bt components, and temperature. Dst index and magnetic storm classification (G1–G5). Aurora visibility determination for your latitude.
Light Pollution Map
Interactive map with light pollution overlay. Bortle scale (1–9), sky quality (SQM), naked eye limiting magnitude (NELM). Tap any point on the map to check the light pollution level.
NASA Picture of the Day
Gallery of the best astrophotography from NASA (Astronomy Picture of the Day) for the last 14 days with descriptions.
Extras
• Notifications about good weather, full moons, and eclipses
• Night mode with red filter to preserve dark adaptation
• Location search and saving
• Works without registration
• Interactive cloud-cover map for tonight
Astronomy weather, Moon phases, aurora forecast & light pollution map.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesPersonal info
- Data is encrypted in transit
- You can request that data be deleted
- Committed to follow the Play Families Policy
What’s new
• New: Satellite passes — a live map of the ISS, Tiangong and Hubble with pass times and alerts
• New: Meteor showers calendar — peak nights, rates and Moon interference
• Redesigned home screen
• Improvements and bug fixes
• New: Meteor showers calendar — peak nights, rates and Moon interference
• Redesigned home screen
• Improvements and bug fixes
