Stock 2 (OCL 348, Lund 71 and the Muscleman Cluster) is a class I 2 m open cluster of 54 stars in Cassiopeia. This is one of 24 open clusters compiled by Jurgen Stock in the 1950s. A full list can be found here - http://www.deepskypedia.com/wiki/List:Stock.
Technical details:
Optics: Vixen ED81s @ f/5.2
Mount: Skywatcher HEQ5 Synscan Pro (belt mod)
Guiding: ST-237 guide chip of SBIG ST2000XM
Camera: SBIG ST2000XM
Filter Wheel: SBIG CFW9
Filters: Ha,L,R,G,B
CCD Temperature: 0 degrees Celsius
Constellation: Cassiopeia
Date: August 3-4, 2021
Location: Korinthos - Greece - Albireo Observatory 1
Exposure:
L=12x600 min bin 1x1
R=12x300 min bin 1x1
G=12x300 min bin 1x1
B=12x300 min bin 1x1
Calibration: Darks, Flats, Bias
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