Observation by Dean Ashton: The Bubble

Uploaded by

Dean Ashton

Observer

Dean Ashton

Observed

2017 Sep 29 - 20:52

Uploaded

2018 Mar 21 - 12:40

Objects

The Bubble Nebula (NGC7635)

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Constellation

Cassiopeia

Field centre

RA: 23^h20^m
Dec: +61°12'
Position angle: +0°30'

Field size

0°25' × 0°19'

Equipment

Celestron 235mm EdgeHD SCT
Celestron CGEM Mount
Celestron Nightscape 10100 RGB CCD
Off-Axis Guiding with LoadstarX2 Guide Camera

Exposure

46x300s

Location

St Austell, Cornwall UK

Target name

NGC7635

Title

The Bubble

About this image

The famous 'bubble' created by the shock wave of the stellar wind from SAO 20575 impacting on the extensive nebula surrounding NGC7635.

This image was actually made using a total of 46 five-minute exposures. Half of the exposures were captured on 6th September 2015 using a 203mm Celestron C8 SCT at f/4.6. The others were captured on 29th September 2017 using a 235mm Celestron 9.25 at f/10.

Image calibration, registration, integration and processing was carried out using PixInsight.

Files associated with this observation

NGC7635_46x300s.jpg (1.8 MB)

Like this image

Jeremy Shears, Peter Mulligan, Graham Winstanley, David Swan, Callum Potter, Peter Carson, Robert James Stuart

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