Hello Mike, that's a beautifully deep image and you have captured the faint halo as well as many distant background galaxies brilliantly. I also note that you have nice sharp star images to the corners of the frame; collimation for Newtonians can be frustrating at times (and especially so for faster Newtonians) but you appear to have everything humming nicely! I understand that you are buying a Sirius observatory? That will also be a huge boon - I take my hat off to everyone that have portable setups as it must take a lot more effort to gather imaging data when you have to continually pack / travel / setup each night!
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