Observation by Karen Smith: The Bubble Nebula

Uploaded by

Karen Smith

Observer

Karen Smith

Observed

2025 Sep 24 - 20:42

Uploaded

2025 Sep 29 - 19:29

Objects

The Bubble Nebula (NGC7635)

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Constellation

Cassiopeia

Field centre

RA: 23^h20^m
Dec: +61°13'
Position angle: +89°55'

Field size

0°29' × 0°19'

Equipment

Meade 8" LX90 SCT telescope
ZWO ASI 2600 MC Pro Camera
Optolong L-eXtreme Filter
ZWO AM5n mount
ZWO OAG with ZWO ASI 120mm Mini for Guiding
ZWO ASIAir Plus

Exposure

84 x 240 second Subs

Location

Midlands, United Kingdom

Target name

The Bubble Nebula NGC 7635

Title

The Bubble Nebula

About this image

I have always loved this target, it really does look like a bubble! I captured it with a wider field telescope a few years ago, but I was excited to see what it would look like closer up, through my 8" SCT. Despite the slow light gathering speed of my F10 Meade, and capturing from my rather light polluted ~ bortle 6 back garden, I could see the bubble in a single 4 minute exposure! It is a lot brighter than I expected it to be :) I was able to capture 85 x 240 minute subs before the the nebula disappeared behind my house. My guiding through the OAG is often a bit hit and miss, but it worked extremely well for this target, I was therefore able to stack 84 out of the 85 subs :)

Files associated with this observation

NGC-7635-Bubble-Nebula-web.jpg (4.4 MB)

Like this image

Oliver Hext, Dominic Ford, Graham Winstanley, Andy Wilson, Callum Potter, Anton Matthews, Kenneth Medcalf, Manolo_Rodriguez

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