Roy Foreman Posted October 16, 2021 Share Posted October 16, 2021 Why image M31 with a 16" reflector ? Because these days it seems weather windows are so short, that it is easier to use the instrument that is all set up in an observatory and ready to go in minutes - no 30-40 minute set up and take down time that my smaller, wider field instruments require. It's the usual story for me - imaging through hazy skies in a limited time slot. Nevertheless, I managed something and here it is. 60 x 60 sec at gain 360 with a ZWO ASI 6200 MC Pro full frame OSC. Just a UV-IR cut filter used. Hope it is of interest and thanks for looking. 10 Link to comment Share on other sites More sharing options...
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