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Showing results for tags '21p'.
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I'm still dizzy after processing this one for each LRGB filter. Comet 21P meets open cluster M37 in the night/morning of 10/11 September, at perihelion. This is a combination of 60s x 30 x 4 subs, taken through the SW130PDS with an ASI1600MMC. https://www.astrobin.com/366252/ No deconvolution applied, only noise reduction. About the remaining noise?! ... yes, please. Unfortunately the light pollution at home didn't let me record more. Thanks for watching and clear skies! Alex
I went this weekend to my girlfriend's parents and I took my Skywatcher 72ED with me and the smaller AZ-EQ5. Fortunately, the skies are dark there. So, on 11/12 August I put all the stuff on the mount and took 130+ 60s subs with the Canon 550D. The result is a crop, towards the edges the stars are not perfect yet, but they're a bit better than in the past. I put some additional spacers to the universal flattener and increased the backfocus distance. The comet doesn't fill the frame anyway. Unfortunately, the animation doesn't really play ball, I will upload it somehow else later. Neither on the processed image I did the best job, I need to improve somehow in removing the artifacts on the comet-only image. However, this is what I got: