
Messier 29 (Cooling Tower Cluster)
- Messier 29 (M29) is a small open star cluster located deep within the rich star fields and interstellar dust lanes of the Milky Way in the constellation Cygnus.
o - About 70 stars form a group inside Cygnus, the constellation resembling a giant swan flying through the Milky Way.
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- Object Name
M29
- Object Type
Open Cluster
- Constellation
Cygnus
- Magnitude
+7.1
- Distance
5,240 light-years
- Age
13 million years
- Annotated

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Equipment
Telescope:
Mount:
Accessories:
Sky-Watcher Esprint 80ED Triplet
Sky-Watcher AZ-EQ6 GT
ZWO ASIair Plus / PixInsight
Camera:
Guiding:
Filter:
ZWO ASI585MC Pro cooling
ZWO ASI1200MM
2″ Optolong eXtreme
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Bortle Scale: Milton Keynes, Buckinghamshire (Bortle 6)
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Integration
- Date:
Sunday 23rd August 2026
o - Time:
22:45 /11.45 pm (BST)
- Moonlit:
Waxing gibbous 12 days old
Magnitude: -12.4
Moonlit: 83%
- Total:
180’s x 10 subs = 30 minutes
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Constellation :- Cygnus (The Swan)

Object :-
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Other name :-
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Magnitude :–
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M29
NGC 6913 / Cr 422 / Cooling Tower Cluster
Open Cluster
+7.1
5,2400 light years / 26 light years across
Cyg (Cygnus / The Swan)
20h 23m 56s
+38° 31′ 24″
Enlarge on click the map.

(Click the map above for a large view.)
| Abbreviation: Cyg (Cygnus) |
| English Name: The Swan |
| Genitive: Deneb |
| Hemisphere: Northern Hemisphere |
| Location: Between the constellations of Cephus and Draco. |
| Visible between latitudes: +90 and -40 degrees |
| Best season: Autumn |
| Seen in three seasons: Summer, Autumn & Winter |
| Best seen in: August (map) and September (map) |
| Seen between: May and November |
| Right Ascension (RA): 21 hour |
| Declination (DEC): +40 degrees |
| Area (square degrees): 804 (16th) |
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The Pattern Shape of M29

- Nicknamed the Cooling Tower Cluster because its brightest stars form a shape resembling a hyperboloid cooling tower.
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