Starglow is your stargazing forecast. It tells you when the sky will be clear, where it will be darkest, and what you’ll see when you get there.
KNOW WHEN TO LOOK UP
An hour-by-hour timeline shows when conditions are best tonight:
• Total cloud cover, plus high, mid and low cloud
• Visibility and viewing quality, hour by hour
• Seeing and transparency: steady air for planets, clear air for galaxies (Pro)
• Models Clear: how many of six weather models agree on a clear sky (Pro)
• Forecasts up to 5 days ahead (Pro)
FIND DARK SKIES
• Dark Site Finder: light pollution from NASA satellite data, your Bortle class, and the darkest places nearby ranked by tonight’s cloud (Pro)
• Best Location Tonight: your saved spots ranked by cloud and darkness (Pro)
• Save and name your favourite observing spots (Pro)
SEE THE SKY BEFORE YOU GO
• Moon map and AR: the Moon’s direction, path and phase, on the map or through your camera
• 3D Map with real terrain and buildings, and the Moon at its true size (Pro)
• Vantage Point: stand anywhere and see the Moon, stars, planets, the Milky Way and the ISS over the real skyline (Pro)
• Star Trails: plan a long exposure and preview every trail over the skyline (Pro)
• ISS passes in AR: follow the station’s path across your sky (Pro)
NEVER MISS A CLEAR NIGHT
• Alerts for dark skies, moonrise and moonset, new and full Moons, and ISS passes
• Clear night alerts when a good night is coming (Pro)
• Home and Lock Screen widgets (Pro)
• Siri and Shortcuts: ask about tonight’s sky, the Moon phase or the next ISS pass
• Red night mode to protect your night vision
STARGLOW PRO
Pro unlocks 5-day forecasts, seeing and transparency, the Dark Site Finder, Vantage Point, Star Trails, widgets and more. Share it with up to five family members.
Already using Alpenglow for sunrise and sunset? Pair it with Starglow to cover the sky from golden hour to the Milky Way.
Terms of Use: https://starglowapp.com/terms
Privacy Policy: https://starglowapp.com/privacy
I enjoy using alpenglow (though not always accurate) so I thought I’d give this app a try. Very straightforward, but I do wish that there was a short description or information to explain each component. As well as an ability to change the temperature and time measurements. Hopefully they can add some features that are on alpenglow to make the app more visually pleasing.
Developer Response
Thanks for the feedback. The temperature and time should be based on your device settings now.The next update will include an explainer on the information on screen, what each color means and various iconography.
Wow! Great forecast for night sky and more!
Mike VV.
Our daughter found AlpenGlow, which accurately forecasts sunrises and sunsets, and as soon as I saw there was a chance for this Starglow app, to forecast seeing the night sky, I signed up for it. Starglow is NICE!For each hour of the day it shows the suns and moon brightness and how the weather and cloud cover factor into being able to see or not see the stars and planets and other objects in the sky.All the information is in an easy-to-read tabular format.So nice.Thank you, Andy, for this great Starglow app!!
Easy to read but…
p. picasso
This needs some explanation on colors and what each row means. I just need to know if I can take photos of stars on a particular night. Add some quicker info.
Developer Response
Thanks for the feedback. This will be in the next update to Starglow!
So helpful!
Xaxafraxalax
I use this every evening and enjoy its many features.
• Adds support for viewing ISS passes in Augmented Reality
• Augmented Reality Moon Path now reflects current Moon Phase
• Added new Starglow Pro maps with Sun and Moon in the sky box
• Starglow Pro now tells you how many weather models agree. Along with detailing how clear and steady the air is.
• Find Dark Skies near you within different distances.
• Add Saved Locations and view the best location for the evening.
• Added various Notifications for sky quality, moon rise, ISS passes etc
• Support for Siri & Shortcuts
• Added Widgets
• Various bug fixes
Version 2.0.1
The developer, Andrew Yates, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Location
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
