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grouchoduke

NGC 7822, Sh2-171

  • 7 sessions
  • 231 images
  • 38.5 hours

Details

My longest project to date at 38.5 hours of imaging, this is NGC7822.

NGC7822 is in the constellation Cepheus. It contains a large emission nebula, Sharpless 171, a star cluster Berkeley 59 and a young star forming region. The nebula is about 2900 light years away and about 75 light years across. I captured this data between August 16th and September 8th, 2024 with a combined total of 38.5 hours of imaging for this photo. 

More details & full sized image here: http://astronomynightly.com/2024/09/11/ngc7822-sharpless-171/

Explore Scientific ED127 refractor
Hotech SCA flattener
STF-8300C camera with L-eXtreme filter
Losmandy G11 mount
176x 600sec sub-exposures (29.3hr used of 38.5hr recorded) from my Bortle ~5 backyard
Captured in NINA
Processed in an HOO palette with Siril, GraXpert, Photoshop & NXT

Sessions

Date L-extreme Nofilter
2024-08-16 4.33
2024-08-17 2.83 2.0
2024-08-18 7.0 0.33
2024-08-19 7.17
2024-08-20 5.83
2024-08-22 6.17
2024-09-08 2.83
Total 36.16 2.33

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