Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble nebula  ·  NGC 7635  ·  Sh2-162
NGC7635 - Bubble Nebula, Peter Goodhew
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NGC7635 - Bubble Nebula

NGC7635 - Bubble Nebula, Peter Goodhew
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NGC7635 - Bubble Nebula

Equipment

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Acquisition details

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Description

I've been experimenting at trying to tease out the highest resolution I can from my APM TMB 6" Refractor. To do this I've adopted a few techniques:

1. Having rejected poor subs I then examined each sub under high magnification, selecting only the very sharpest for processing fine detail (in this case it was 11 out of 57 Ha subs, and 9 out of 30 OIII subs). All subs were used for the background and background nebulosity.

2. Applying 200 iterations of deconvolution to remove as much blurring as possible.

3. Applying selective sharpening using a combination of High Pass filtering, Smart Sharpening, and Unsharp Mask.

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NGC7635 - Bubble Nebula, Peter Goodhew