My Astrophotography – Messier 67

Messier 67 (King Cobra Cluster)

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  • Estimated at 3.2 billion years old, making it one of the oldest known open clusters.
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  • Also known as the King Cobra Cluster or Golden Eye Cluster.
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  • Messier 67 is called the Golden Eye Cluster because many of its brightest, most prominent stars shine with warm yellow or golden hue.
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  • It shows that Messier 67 contains over 100 yellow dwarf stars nearly identical to our own Sun in both age and temperature.
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  • Messier 67 is nicknamed the King Cobra Cluster because of the way its stars are arranged in a distinctive, winding shape that resembles a snake.
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  • Object Name
    Messier 67

  • Object Type
    Open Cluster

  • Constellation
    Cancer

  • Magnitude
    +6.9

  • Distance
    2.700 light-years

  • Age
    3.2 billion years

  • Field of View
    (widefield)

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Equipment

Telescope:

Mount:

Accessory:

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:
    Monday 3rd February 2025
  • Moonlit:
    Waning Crescent 26 days old
    Magnitude: -10.7
    Moonlit: 15.1%
  • Total:
    60’s x 30 subs = 30 minutes

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Constellation :- Cancer (The Crab)

Object :-

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Object :-

Other name :-
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Type :

Magnitude :

Distance :-

Constellation :-

Right Ascension :-

Declination :-

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Messier 67 (M67) / NGC 2682

Collinder 204 (Cr204) / King Cobra Cluster /
Golden Eye Cluster

Open Cluster

+6.9

2,700 light years / 24 light years

Cnc (Cancer / The Crab)

08h 51m 40s

+11° 49′ 12″

Enlarge on click the map.

(Click the map above for a large view.)

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More Information

Abbreviation:  Cnc (Cancer)
English Name:  The Crab
Genitive: Acubens
Hemisphere: Northern Hemisphere
Location: Between the constellations of Leo and Gemini.
Visible between latitudes:  +45 and -90 degrees
Best season: Spring
Seen in three seasons: Winter, Spring and Summer
Best seen in:  March (map)
Seen between: January and May
Right Ascension (RA): 09 hour
Declination (DEC): +20 degrees
Area (square degrees):  506 (31st)

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Identifying the King Cobra in Messier 67
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  • On the left – Identifying the King Cobra shape in Messier 67 requires looking at the curving arcs of stars along the outer edges of the cluster, the top-most edge of the main cluster forms a sharper point, giving the illusion of a head raised and ready to strike.
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  • On the right – I rotated the photo of Messier 67 and trimmed it to zoom in on the best part, then I hand-traced the shape of a King Cobra.

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