The famous Double Cluster (NGC 869, right and NGC 884, left) in Perseus, in a wide-field shot that incl;udes the large and sparse cluster Stock 2, aka the Muscle Man Cluster, is at top, looking here as if it outlined by a square border of stars. The field is filled with yellow supergiant stars. This is a stack of 12 x 5-minute exposures with the SharpStar 76EDPH refractor with its reducer/flattener at f/4.5, and the Canon R5 at ISO 800. Autoguided with the MGENIII, on the Star Adventurer GTi mount taken as part of testing the mount. Taken from home October 1, 2022.

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達志影像

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