Galaxien NGC4656/7 + NGC4631/27 in den Jagdhunden
Object: Galaxies NGC4656/7 + NGC4631/27
Date: 28.12.2006
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.32m/s2 at 00:00UTC
Telescope: Meade Schmidt-Newton 254mm f/4
Mount: ALT-7
Autoguiding: SBIG STV
Camera: Canon EOS 20Da
ISO speed: 1600
Dark Frame: Master-Dark
Flat Frame: Master-Flat
Exposure: total 100minutes
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