Observation by Alun Halsey: Bubble nebula region in Ha

Uploaded by

Alun Halsey

Observer

Alun Halsey

Observed

2025 Aug 13 - 01:22

Uploaded

2025 Aug 13 - 14:38

Objects

The Bubble Nebula (NGC7635)

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Constellation

Cassiopeia

Field centre

RA: 23^h20^m
Dec: +61°01'
Position angle: +91°31'

Field size

4°52' × 2°39'

Equipment

Samyang 135mm f/2 lens piggybacked to main scope
ZWO ASI585MM Pro
Baader 7nm Ha filter in ZWO filter drawer
Mesu-200 Mk1

Exposure

77 subframes @ 60 seconds each

Location

Reading Berkshire UK

Target name

Bubble Nebula (NGC 7635)

Title

Bubble nebula region in Ha

About this image

Seventy seven 60sec subframes stacked on the fly in Sharpcap, processed in Siril and Photoshop CS2.

Files associated with this observation

Stack_16bits_77frames_4620s_fin.png (2.3 MB)

Like this image

Dominic Ford, Andy Wilson, Callum Potter

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