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NGC891, the Silver Sliver galaxy


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About this observation
Martina McGovern
Time of observation
17/09/2020 - 23:31
NGC891, the Silver Sliver galaxy, a side on/edge on view of a galaxy.
Observing location
Near Cambridge city UK, Bortle approx 4
Celestron Edge HD 8” SCT, SkyWatcher HEQ5 PRO
ZWO ASI294MC Pro, main camera
ZWO ASIAir Pro, ZWO EAF (Electronic Automatic Focuser) & Dual-Speed 2-inch Crayford Focuser for SCT’s
ZWO 60mm Guide scope, ZWO ASI120MM mini, Guide camera
Optolong L-Pro Broadband filter
Approx 3hrs of data; 120s subs & 180s subs – L-pro only used. Darks, Flats & Dark flats. Gain 225, Camera TEC Temp -15C

Processing; Deep sky stacker, Pixinsight with final tweaks in Photoshop + Topaz DeNoise AI.

It is a spiral galaxy approx 30 million light years away, in the constellation of Andromeda.

Imaged over two nights.

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