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C2006/A1 Pojmanski on 2006-03-24
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Date: 03/24/2006
Views: 147
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| Title |
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| Description |
- Comet C2006/A1 Pojmanski on 2006-03-24
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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 |
- 24. March 2006, 03:18-04:35 UT+1h
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| Conditions |
- Temp. -2°C
- Light haze
- Visual limiting magnitude in UMi only 3.0mag
- Some cirrus clouds
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| Telescope |
- 115mm F/7 with focal reducer 0.8x
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| Mount |
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| Camera |
- Canon EOS 10d
- RAW, 3072x2048 pixels, ISO 1600
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| Focusing |
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| Focallength |
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| Exposure |
- 12 RAW images at ISO 1600
- 12 x 240s= 2880s= 48min in total
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| Guiding |
- Autoguiding on nearby star
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| Processing |
- Iris V5.30:
- Median dark frame generation
- Dark frame subtraction
- Hotpixel removal
- Raw conversion
- Registration / composit on comets head
- Logarithmic scaling
- Color correction
- Adaptive noise filtering with "Minimum Mean-Square Error" method, separately done on R/G/B
- Resize
- Crop
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