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New data on NGC 891
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That explains it - thank you for sharing!

Well, I do have two roll off observatories on my property, so imaging for me is much easier than it was in the old days. I also have two other astrophotographers getting data here. For this shot:
Locations: Blue Mountain Vista Observatories, New Ringgold, Pennsylvania, United States
Date: Oct 22,23,25 2011 Date: Nov 2020
Optics: Hyperion 12.5 inch at f/8
Mount: Paramount ME
Camera: SBIG STL-11000
Exposure: LRGB: Luminance: unbinned 22x10min; Color binned 2x2: R 16x8.5min, G 23x6 min, B 22x7.5min, for a total of 11 hours plus another 13 hours from Nov 2020 for total of 24 hours
Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.
Incredible Frank! What clarity!

I love the subtle color detail you were able to pull out of the dust lane as well as the sharp, clean resolution that shows off the halo and surrounding features.

Thank you very much for sharing!

Clear skies,

Wow this is amazing! What gear did you use to get this Frank?

I collected more data on NGC 891 and added it to some older data to get 24 hours of exposure, which may be a record for me. I updated the image with the new data. I have been posting my images on astrobin, at


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