M53 and NGC5053 globular clusters in Coma Berencies

Unexpectedly clear night last night so I managed to grab 3 and a half hours worth of 200 second subs on the M53 region with the Sky 90/M25C.  There’s a pile of faint fuzzies in the background of this average combined image.  Scarily they all disappeared with an SDMask combine – I may have to seriously rethink my pre-processing.

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