M7 – Ptolemy Cluster (DSS v1)

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M7 – Ptolemy Cluster (DSS v1)

IAS Observatory, Hakos, Namibia, 21.8 mag/”2
20″ Philipp Keller Cassegrain primary focus @ 1500mm f/3
Liebscher mount with FS2
Off axis guiding with Lodestar X2, dithering with BackyardEOS and PHD2
5D Mark II (a)
25x120s, ISO 800 + sky flats/darks/bias
Image processing DeepSkyStacker, Lightroom, Photoshop, slight crop

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