ASTRO MODE
Comfortable for your eyes
Switch to the calm night view when you use GalaxyHunters outdoors or in the dark.
WORLDWIDE LOCATION
Where are you observing tonight?
Search for a city, region or postal code. GalaxyHunters will use the coordinates for your weather, Astro Score, Bortle estimate and observing targets.
YOUR SELECTED LOCATION
or
NEW HERE?
How GalaxyHunters helps you tonight
Set the page up for your location once. You will then get weather, sky quality and worthwhile observing nights for your area.
YOUR LOCATION
Everything tailored to your location
Save your ZIP or postal code. Astro Score, cloud radar, Bortle value, Milky Way and observing tips will adjust automatically.
CLEAR-NIGHT ALERT
Never miss a clear night
You receive an email only when observing or imaging is genuinely worthwhile at your location.
Activate free alert At most one message per evening. Unsubscribe at any time.
SHARE IT
Share with friends
Send GalaxyHunters to people who enjoy stars, the ISS or astrophotography as much as you do.
MY SKY
Everything you need for tonight
6
out of 10
ASTRO SCORE
Mixed conditions tonight
There are usable clear spells, but clouds or humidity remain a risk.
Best window20:00–00:00
Dark enough from19:40
Usable darkness11 h 20 min
Clouds in best window28%
Rain17%
Clouds now · model–
VISIBLE TONIGHT
All targets →
CLOUD COVER
Live cloud map
Show more →
Open cloud radar →
Check clouds
28% cloud cover · 17% rain risk
MILKY WAY TONIGHT
Calculating the galactic core …
We are checking darkness, direction and altitude for your location.
Direction–
Altitude–
Moon–
Quick starting pointWide-angle lens · tripod · f/2.8 · ISO 3200 · start around 15–20 s.
–out of 9
DARKER SKY WITHIN RANGE
Straight-line distance. The driving distance may be considerably longer. This is a search area, not a verified observing site. Check access, parking and local rules before travelling.
Finding a darker search area …
GalaxyHunters is searching within a 100 km straight-line radius around your location for a consistently darker area.
YOUR ASTRO CHECK
How will your night be?
All the important conditions for your observing night at a glance.
ASTRO SCORE – FOR YOUR REGION
–
out of 10
Set your location above
You will then receive an honest forecast for your region straight away.
Detailed targets for tonight
Best window–
Dark enough from–
Usable darkness–
Clouds in best window–
Rain risk–
Clouds now · model–
The score assesses the best observing window and the rest of the night. Weather data: Open-Meteo.com
Sky quality
How dark is your sky?
Your saved Bortle value shows how strongly light pollution affects your location. The lower the value, the better your chances of seeing the Milky Way, nebulae and galaxies.
BORTLE VALUE – FOR YOUR LOCATION
Bortle
–
out of 9
1
2
3
4
5
6
7
8
9
No value saved yet
Check your sky once and your Bortle value will remain visible here.
Your value remains saved for this location and updates only when you enter a new ZIP or postal code.
DARKER SKY NEAR YOU
Straight-line distance. Driving may take considerably longer. Search area, not a verified observing site. Check access, parking and permission to enter before travelling.
Find a darker place
Choose your location to search for a darker area within a 100 km straight-line radius.
GALAXYHUNTERS · IMAGE LAB
Edit an image →
Astro Image Processor
Give your astro photo a new look. Choose a preset, compare and download — directly in your browser.
New discoveries
New in the universe
Discover NASA’s image of the day and our latest images and reports.
22 October 2026
The First Green Star, WD J1330+6435
Star light, star bright: is there a green star out tonight? Other than the Sun, all stars are so far from Earth that they appear as points in…
Credit: Mark A. Garlick/University of Warwick
View picture of the day
Cloud radar
See at a glance whether the sky will clear tonight. The live cloud radar shows current cloud cover and your astro signal, so you know whether setting up is worthwhile.
Open cloud radar →Your personal sky forecast
What can you see tonight?
Discover suitable targets for your location, equipment and chosen night. The most worthwhile recommendation appears first.
Calculated for you
Hennef (Sieg)
Best weather window: 20:00–00:00
Your recommendations are being prepared.
Your best opportunity tonight
Loading forecast …
More recommendations for you
22.10.2026MILKY WAY TONIGHT
Calculating the galactic core …
We are checking darkness, direction and altitude for your location.
Quick starting pointWide-angle lens · tripod · f/2.8 · ISO 3200 · start around 15–20 s.
Direction–
Altitude–
Moon–
ISS live for your location
Where is the ISS now?
Open the live world map and track the current ISS position. You will also see when the next clearly visible flyover is due at your location.
Current position on the map
Flyovers for your location
Germany · Austria · Switzerland · USA · Canada