Open star cluster NGC225 (the sailboat) and dark nebula VDB4
Observation Notes
data were taken on Oct 17,18,19, 22, and 25 using the Baader fringe killer filter in order to suppress the transverse color aberration in blue induced by the Celestron LF reducer. Since the cluster stars of NGC 225 are comparably bright, short exposures where added (with HDRcombine) to suppress burned out stellar cores.
Technical Details
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