Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  NGC 7635  ·  Sh2-162
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The Bubble Nebula (NGC 7635), Henning Schmidt
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The Bubble Nebula (NGC 7635)

Getting plate-solving status, please wait...
The Bubble Nebula (NGC 7635), Henning Schmidt
Powered byPixInsight

The Bubble Nebula (NGC 7635)

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Description

The Bubble Nebula (NGC 7635) with Celestron C14 - Composite with Luminance (QHY 183M, 19x600sec, -25°C, Baader H-alpha) on 14.08.2021 und RGB (QHY 183C, 41x600sec, -25°C, Hutech IDAS LPS P2) from 16.08.2021; Gain 20, Offset 30.

For this picture I changed my strategy with regard to the exposure of the RGB images and reduced it from the original 300 or 180 to 60 seconds per frame. This prevents the stars from swelling and enables a better fit to the luminance image.

Another goal was to preserve the natural star colors (blue, white, red, yellow and orange). I think that has succeeded.

For a detail view see: https://www.astrobin.com/qh7fr1/?nc=collection&nce=2246

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The Bubble Nebula (NGC 7635), Henning Schmidt