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Contains:  IC 4996, Crescent nebula, NGC 6888, The star 34Cyg
Getting plate-solving status, please wait...
Crescent & Soap Bubble Nebula, 


            Barry Wilson
Crescent & Soap Bubble Nebula

Crescent & Soap Bubble Nebula

Technical card

Resolution: 3278x2462

Dates:Sept. 1, 2017

Astrodon 5nm Ha: 6x1800" bin 1x1
Astrodon 5nm Olll: 6x1800" bin 1x1

Integration: 6.0 hours

Avg. Moon age: 10.20 days

Avg. Moon phase: 78.25% job: 1713261

RA center: 303.620 degrees

DEC center: 38.057 degrees

Pixel scale: 2.109 arcsec/pixel

Orientation: 91.818 degrees

Field radius: 1.201 degrees

Locations: Home observatory, Totnes, Devon, United Kingdom


A relatively short integration for this bi-colour HOO Crescent and Soap Bubble. I have heard imagers remark how difficult this target is to process and achieve a harmonious balance across the frame with its differing elements:- I couldn't agree more ;-).

The data was gathered in the last few days of August, finishing the processing on the 1st September.



Barry Wilson
License: None (All rights reserved)

Sky plot

Sky plot


Crescent & Soap Bubble Nebula, 


            Barry Wilson

In these public groups

UK Astro-Imaging
Narrowband imaging