2010/10/16 2010/11/05 2010/11/06 2010/12/03
Time | 2010/12/03 20:10 UT - 21:37 UT |
Place | φ = 30°31'16.21" N, λ = 114°21'29.99" E, +53m, Wuhan, China |
Optics | Intane APO 8.0-cm refractor, f/7 |
Camera | Canon EOS 400D (ISO 800) |
Exposure | 60 s x 56 frames |
Processing | 56 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted; fixed with Fitswork V4.40, IRIS V5.56 and Photoshop CS3 Extended; 0.5x resized and cropped; |
Comments | city light pollution; Click the image to view a full resolution version. |
Processing | the same images used as above stacked in DeepSkyStacker 3.2.2 by means of average calculation with alignment on stars rather than on comet in order to show comet's motion in the field of stars; dark frames subtracted; fixed with Fitswork V4.40, IRIS V5.56 and Photoshop CS3 Extended; 0.5x resized and cropped; |
Comments | Click the image to view a full resolution version. |
Processing | color converted from RGB to B/W (Luma) and then turned negative in Fitswork V4.40; Larson-Sekanina filter with a radius of 3.50 and a rotation of 30.0° applied; original and cropped; |
Comments | A tail towards upper right is visible. |
Time | 2010/11/06 19:57 UT - 21:14 UT |
Place | φ = 30°31'16.21" N, λ = 114°21'29.99" E, +53m, Wuhan, China |
Optics | Intane APO 8.0-cm refractor, f/7 |
Camera | Canon EOS 400D (ISO 800) |
Exposure | 60 s x 67 frames |
Processing | 67 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted; fixed with Fitswork V4.40, IRIS V5.56 and Photoshop CS3 Extended; 0.5x resized and cropped; |
Comments | city light pollution; Click the image to view a full resolution version. |
Time | 2010/11/05 19:12 UT - 21:27 UT |
Place | φ = 30°31'16.21" N, λ = 114°21'29.99" E, +53m, Wuhan, China |
Optics | Intane APO 8.0-cm refractor, f/7 |
Camera | Canon EOS 400D (ISO 800) |
Exposure | 60 s x 122 frames |
Processing | 122 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted; fixed with Fitswork V4.40, IRIS V5.56 and Photoshop CS3 Extended; 0.5x resized and cropped; |
Comments | city light pollution; Click the image to view a full resolution version. |
Time | 2010/10/16 16:40 UT - 18:50 UT |
Place | φ = 30°31'16.21" N, λ = 114°21'29.99" E, +53m, Wuhan, China |
Optics | Intane APO 8.0-cm refractor, f/7 |
Camera | Canon EOS 400D (ISO 800) |
Exposure | 60 s x 96 frames |
Processing | 96 images stacked in DeepSkyStacker 3.2.2 with dark frames subtracted; fixed with Fitswork V4.40, IRIS V5.56 and Photoshop CS3 Extended; 0.5x resized and cropped; |
Comments | city light pollution; Click the image to view a full resolution version. |
Processing | the same images used as above but with alignment both on stars and comet; |
Comments | city light pollution; Click the image to view a full resolution version. |
Processing | color converted from RGB to B/W (Luma) in Fitswork V4.40; Larson-Sekanina filter with a radius of 10.00 and a rotation of 30.0° applied; 0.5x resized and cropped; |
Comments | No much detail is seen within the coma, while the tail becomes more manifest. |
Processing | color converted from RGB to B/W (Luma) in Fitswork V4.40; Larson-Sekanina filter with a radius of 10.00 and a rotation of 30.0° applied; 0.5x resized and cropped; |
Comments | No much detail is seen within the coma, while the tail becomes more manifest. |
Copyright © Man-To Hui (Wentao Xu)