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Subject: Perseus Double Cluster
Author: Zoran Belobrajic
Scope: ZenithStar 105 ED Triplet APO
Instruments: SBIG ST2000XM with CFW8a and Astronomik type 2c LRGB filter set through WO ZS105ED telescope on Losmandy GM8 mount. WO ZS105ED working at f5.6 with WO 0.8X reducer/flattener
Exposure time: LRGB, 13X3min Luminance binned 1X1, RG&B 6X2min each binned 2X2.
Place & Seeing:
Date: 2007/08/17
Remarks:

 

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