Explore NGC7635 The Bubble Nebula


Click here for an annotated version of this target.

NGC7635 also commonly known as the Bubble Nebula is an H II rich emission nebula in Cassiopeia. The bubble is formed by the extremely fast stellar wind of ionized star coming from a massive star. This is the brightest star inside the nebula on the right.

The Bubble Nebula was first discovered by William Herschel in 1787.

I had to use an Optolong L-eNhance 2" filter due to the moon being at 97% and my setup being under Bortle 6/7 skies.

Processing Info

I stacked the 18 light frames along with 40 dark and 50 flat frames in PixInsight

The following processes were performed in PixInsight:

Once I found what I liked, I saved the files and went to Photoshop and ran Topaz AI DeNoise. This is an amazing plugin that works like magic.

If anyone is curious here are the full res versions of the images.

The area of the sky in Casseiopia
Here you can see the area of the sky in Cassiopeia imaged.

Acquisition Data