Messier 13 (M13) / NGC 6205 / The Hercules Cluster)
- Object Name
Messier 13
- Object Type
Globular Cluster
- Constellation
Hercules
- Magnitude
+5.8
- Distance
25,000 light-years
- Age
12 billion years
- Annotate
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Telescope:
Mount:
Accessory:
Sky-Watcher Esprint 80ED Triplet
Sky-Watcher AZ-EQ6 GT
ZWO ASIair Plus
Camera:
Guiding:
Filter:
ZWO ASI2600MC Pro cooling
ZWO ASI1200MM
2″ Optolong eNchance
Bortle Scale: Milton Keynes, Buckinghamshire (Bortle 6)
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Integration
Date: Wed 5th Nov 2025
Moonlit: 67%
Filter: Optolong eNchance
Total: 65 x 180″ = 2 hours
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Constellation :- Hercules (The Hercules)
Object :-
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Object :-
Other name :-
Type :–
Magnitude :–
Distance :-
Constellation :-
Right Ascension :-
Declination :-
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Messier 13 (M13) / NGC 6025
The Hercules Cluster
Globular Cluster
+5.8
6,000 light years / 5.5 light years
Tau (Taurus / The Bull)
16h 41m 41s
+36° 27′ 35″
Enlarge on click the map.
(Click the map above for a large view.)
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More Information
| Abbreviation: Tau |
| English Name: The Bull |
| Genitive: Aldebaran |
| Hemisphere: Northern and Southern Hemisphere. |
| Location: Between the constellations of Orion and Aries. |
| Visible between latitudes: +90 and -65 degrees |
| Best season: Winter |
| Seen in three seasons: Autumn, Winter and Spring |
| Best seen in: January (map) |
| Seen between: October and March |
| Right Ascension (RA): 04 hour |
| Declination (DEC): +15 degrees |
| Area (square degrees): 797 (17th) |
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Facts about Messier 13
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- Messier 13 (M13) is a globular cluster in the constellation Hercules, containing several hundred thousand stars tightly packed into a sphere.
o - Its age of 12 billion years places it among the oldest structures in the Milky Way, formed not long after the galaxy itself.
o - Roughly 145 light years across, visible even to the naked eye under dark skies.
o - Around 300,000 stars, many of them red giants and evolved stars.
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