 |
| Time | 2009/08/21 18:02 UTC - 18:08 UTC |
| Place | φ = 23°09'12".24 N, λ = 113°18'53".99 E, +18m, Guangzhou, China |
| Optics | Canon EF 70-200mm f/2.8 L USM set to 200mm, f/2.8 |
| Camera | Canon EOS 350D (ISO 800) |
| Exposure | 2.5 s x 54 frames |
| Processing | 54 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted and flatfiled frames divided; fixed with Fitswork 3.93 and Photoshop CS3 Extended to remove the star-trails; 0.5x reduced and cropped; |
| Comments | city light pollution; haze; comet pointed; |
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| Processing | 54 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted and flatfiled frames divided; fixed with Fitswork 3.93 and Photoshop CS3 Extended to remove the star-trails; 0.5x reduced and cropped; details enhanced in different weights with Fitswork 3.93; |