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2007N3 - Lulin on 2009-03-03
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Date: 03/03/2009
Views: 223
Size:
Full size:
1024x768
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| Title |
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| Description |
- Comet C/2007N3 (Lulin) on 2009-03-03
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| Imager |
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| Location |
- Wedemark, near Hannover, Germany, 9.7°E, 52.6°N
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| Date |
- 2009 Mar. 03, 21:51 - 22:32 UT+1
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| Conditions |
- Temp. +5°C
- High, thin cirrus clouds
- Visual limiting magnitude in UMi only 3.5mag!!!
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| Telescope |
- Canon EF 200 F/2.8 + Sigma 1.4x tele-extender
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| Mount |
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| Camera |
- Canon EOS 10d
- RAW, ISO 400
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| Focusing |
- Autofocus on a nearby bright star
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| Focallength |
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| Exposure |
- 8 RAW images, 3072x2048 pixels, at ISO 400
- 8 x 180s= 1440s= 24min in total
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| Guiding |
- Autoguiding on comet's head
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| Processing |
- DeepSkyStacker V3.2.2
- 10 dark frames
- 16 Bias frames
- 16 Flat field frames
- Hot pixel removal
- Registration / composite on comets head
- Iris V5.57
- Logarithmic stretching
- Color adjustments
- 50% Resize + 1024x768 crop from image center
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