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Whirlpool Galaxy

This is an intergrated LRGB image of M51, approx 5 hours of L and an hour each of R, G and B. Taken on a QHY163M camera with Optolong filters and a WO FLT110 on an AZ-EQ6 mount. Captured with SGP and PHD2, post-processed in PixInsight.

Observed from Prachinburi, Thailand

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Uploaded on April 16, 2018