NGC 7635, known as "The Bubble Nebula," Sharpless 162 and Caldwell 11 - is a rich HII region located between 7,100 and 11,000 light-years away in the constellation of Cassiopea.
The “bubble” itself was created by stellar winds from a massive hot blue Wolf-Rayet star, AO 20575, that shed its material about 300,000 years ago to form the bubble. This star is 44 times larger than our sun.
Also seen in this image is the large open cluster Messier 52.
This image is interesting because I am not sure I love the final result! The image is very saturated and contrasty - more than I usually like. However, when I attempted to reduce the constant and saturation, I found I liked those versions even less! So here is it! It will be up to you to decide if you like this one!
This image results from 8.25 hours of narrowband data and is rendered in the SHO Hubble Palette.
The data was collected over two nights ending on October 22nd. This image was taken on my William Optics 132mm FLT APO telescope platform, which uses a ZWO ASI1600MM-Pro camera, and is supported by an IOptron CEM60 Mount.
This data was collected at the same time as the data for my IC1396A - The Elephant's Trunk - project. And just like for that project, my original plan was to collect at least 15 hours of data for the project. That did not happen. This is the usual point where I usually start whining about our weather and how clouds had shut me down.
That's not what happened this time - I was taken down by a nasty virus that gave me the worst cold ever.
We had two wonderfully clear nights that I would have loved to shoot. But by then, I was a drooling puddle of whimpering snot who no longer cared about clear night or astrophotography!
The image was processed by using a Synthetic computed Luminance image and extensive use of starless processing workflows.
The full story behind this image, along with a detailed processing walkthrough, can be found at:
https://cosgrovescosmos.com/projects/ngc7635-m35A video of the blink analysis for this data is also available if interested:
https://youtu.be/aMDt8DsBk38Finally, a video on my YouTube channel provides a high-level view of the processing strategy for this image:
https://youtu.be/qiDQOT6aCnwThanks for looking!
Pat
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