paul Posted February 13, 2021 Share Posted February 13, 2021 Despite gremlins on the mount I did manage to bag 1.5 hrs and 3 hrs on each side of the meridian. Collimation is much better this time! This image is from the larger stack, gusts of wind I suspect and few DEC issues reduced it to 2hrs usable: I am just getting to grips with image processing with Startools 1.7 (back in the day I used Photoshop + addons). I suspect there is more to get out of the data but the app managed to get me this far. Its pretty impressive at sorting out the uneven illumination given that I didn't have flats. I binned to 70% original, I may go back and use 50%. I like spikes but they always seem to get clipped more than I want. More data = better signal to noise = longer spikes I guess 😀 40x3min @ISO800 550D, Optolong L-Pro filter, Skywatcher coma corrector with my OO250mm and CEM70G. 4 Quote Link to comment Share on other sites More sharing options...
Gina Posted February 13, 2021 Share Posted February 13, 2021 Very pretty 👍👍 Quote Link to comment Share on other sites More sharing options...
paul Posted February 13, 2021 Author Share Posted February 13, 2021 3 hours ago, Gina said: Very pretty 👍👍 Thanks🙂 1 Quote Link to comment Share on other sites More sharing options...
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