Showing 21–40 of 1,000 ranked alternatives.
Igor Ilijovski
Calculate optimal PV angle for maximum electricity
Determine optimal PV angle for maximum electricity generation. Access data charts including elevation, azimuth, sunrise, sunset, and sunlight duration. Calculate vs azimuth optimization for chosen azimuth.
JRustonApps B.V.
Track auroras and solar winds
Check the current KP index and visibility probability. View solar wind data and high-resolution sun images. Track forecasts and receive alerts. Access detailed weather conditions for northern locations. Share forecasts with friends.
Vitalii Gryniuk
Track , , and UV index
Track and , twilight periods, and UV index for any location. View first and last light . Monitor daylength and differences. Display sun position with azimuth, altitude, sidereal time, right ascension, declination, and distance to .
Fascinating Projects Pty Ltd
Track and precisely
Track , , first light, and last light with precise location data. View remaining daylight duration in a clear display. Convert to different timezones. Plan activities based on exact light conditions.
Flipping Hues Srls
Follow the sun’s and
Track the sun’s and movement with real-time data tailored to your location, even offline. Analyze sunlight and shadow patterns for specific times and locations. Measure solar angles and predict sunrise and sunset times.
Michael Smith
View the sky and celestial bodies.
The app displays the sky and shows the time of day, day of year, and the location of celestial bodies. It provides sunrise and sunset times, Moon phase, and transit times for celestial objects.
Sergio Arroyo Val
Track sunrise and sunset
Track sunrise and sunset for your location and other dates. View local solar midday, lunar phase dates, and seasonal start . Check winter and summer time change dates. Browse detailed astronomical information for any location and date.
LW Brands, LLC
Track auroras with real-time forecasts
View real-time forecasts with an interactive map. Set customizable KP index notifications. Track solar wind data, geomagnetic power, and space weather forecasts up to 27 days. Receive SWPC and view short-term graphics.
Cristinel Bontas
Size solar systems with precise calculations
Calculate solar system requirements by inputting power consumption and daily sun hours. Size solar panels, battery bank, and charge controller based on energy needs and sunlight availability.
Oscar Tsang
Systems, explore space, earn GP
Explore a sandbox by collecting asteroids to a system. Roam freely to discover planets and systems. Earn GP by interacting with nearby celestial bodies. Use mass to influence planetary interactions and dominate the .
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