Dumbbell Nebula

M 27 = NGC 6853

 

  2010/05/23   2011/07/01

 

2011 Jul 01

Place Mt. Guizi Observatory, Wuchang, China
Optics Skywatcher 130mm reflector f/5 + coma corrector
Camera Canon EOS 1000D modified (ISO 800)
Mount EQ5 Pro
Exposure 110 s x 41 frames
Processing overall 41 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted and flatfield divided; fixed with Fitswork V4.41, IRIS V5.33 and Photoshop CS3 Extended; 0.5x resized and cropped;
Comments images taken by Zhu Mao and processed by me; city light pollution; Click the above image to browse a higher resolution version.

 

 

Copyright © Man-To Hui 2011/07/11



2010 May 23

Image M 27 = NGC 6853
EXIF Time 2010/05/23 18:57:20 UTC - 19:25:35 UTC
Place Mt. Guizi, Wuchang, Hubei Province, China
Optics Skywatcher 130-mm reflector f/5
Camera Canon EOS 400D (ISO 800)
Mount NEQ6 Pro
Exposure 16min21s (30s x 1 frame + ~60 s x 16 frames)
Processing overall 17 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted and flatfield divided; fixed with Fitswork V4.25, IRIS V5.33 and Photoshop CS3 Extended; 0.5x resized and cropped;
Comments images taken by Zhu Mao and processed by me; severe city light pollution; not in focus accurately; obvious coma abberation due to coarce collimation;

 

 

 

Copyright © Man-To Hui (Wentao Xu)

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