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Astronomer's Friend -Night Sky


4.6 ( 7856 ratings )
天气 参考
开发 Dunbar Technology, LLC
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Astronomers Friend has the best night sky tools for astronomy and astrophotography. Alerts for meteor showers, aurora (northern lights), super moons, lunar eclipses, integrated light pollution map to find the best areas near you to see the night sky, ISS tracker, widgets, cloud cover overlay, and more! Scroll down to see some of the amazing features this app offers.

Light Pollution Map
Integrated Light Pollution Map helps you find the darkest places near you for the best viewing of the night sky.

Intuitive Moon Information
Find what phase the moon will be in, as well as the moon rise and moon set time for any date, past or present. See the next date of the full moon or new moon at your location, and see detailed info about the current moon such as angle, illumination, age, and more!

Moon Direction Tool
Plot on a map the direction the Moon will be for any time or date. See what direction from you the Moon will rise or set.

Aurora Map
See a map of where the Aurora (Norther/Southern Lights) is currently visible.

Aurora Borealis Info and Magnetic Field Info
See live KP values, probability of seeing aurora at your location, BZ, speed, density, etc.

Aurora Widget
Get a today widget with live aurora borealis and magnetic field information on it.

ISS Tracker
See where in the world the International Space Station is over, and see live updates on the velocity, altitude, and more!

SOHO Sun images
See live images of the Sun at different spectrums and wavelengths.

Alerts
Configure the app to send you alerts for the next Meteor Shower, Super Moon, or Lunar Eclipse. The app can also alert you when Aurora activity is high and viewing is good at your current location.

Night Sky Calendar
Find the best days for meteor showers, lunar eclipses, and super moons for any day, past or present.

And a lot more!
Some features are not available in the free version and may require an additional in-app purchase. Pro version is a one time upgrade of $9.99. Thats less than the price of a few cheeseburgers and much more healthier and useful for you! :)