Discovered in 1779, M67 in the constellation Cancer is one of the oldest known open clusters.
It’s current age is estimated between 3.2 and 5 billion years.

M67 has more than 100 stars which are quite similar to our Sun, and countless red giants.
The total amount of stars must be well over 500.

The cluster lies at a distance of 2.700 light years.

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Object info
Name M67
Type Open cluster
Constellation Cancer
Right ascension 08h 51m 24s
Declination +11° 49′ 00″
Distance 2.700 ly
Other designations NGC2682
Image info
Image date Feb. 08, 2008
Light frames 12x 5 min. @ ISO800 – Baader UHC-S
Total integration 1h
Dark frames
Flat frames
Bias frames
Software used DSLRFocus, Pixinsight LE, ImagesPlus, Photoshop CS2
Processing DSLRFocus was used for focussing. All separate frames were calibrated, aligned and stacked in ImagesPlus 2.8.
“Dynamic Background Extraction” (DBE) was done in PixInsight. Photoshop CS2 was used for further processing, curves adjustment, levels adjustment,etc.
Equipment info
Telescope TMB/LOMO 80/480
Corrector Televue 2″ TRF 2008 flattener/reducer (FL: 384mm f/4.8)
Mount Losmandy G-11
Camera Canon 350D
Guide camera Atik 1HS Mono
Guide scope Vixen VMC110L
Autoguide software Guidemaster
Filters 2″ Baader UHC-S
Location Landgraaf, The Netherlands
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