Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  LBN 548  ·  LBN 549  ·  LDN 1231  ·  NGC 7635  ·  Sh2-162
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NGC7635 - the bubble nebula, GalacticRAVE
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NGC7635 - the bubble nebula

Getting plate-solving status, please wait...
NGC7635 - the bubble nebula, GalacticRAVE
Powered byPixInsight

NGC7635 - the bubble nebula

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Description

main problem with this object is that owing to the long focal length, basically the whole environ contains diffuse emission - so very difficult to fit a background. So I experimented with Vincent Peris' Mulitscale gradient correction ( https://pixinsight.com/tutorials/multiscale-gradient-correction/index.html) employing a wide field image of the same object. Worked quite well, I think.

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