Comet Holmes
17P/Holmes
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| Other names: |
— |
| Optics: |
Canon EF 200mm f/2.8L II USM lens at f/4.0 |
| Mount: |
Losmandy GM-8 w/Gemini |
| Camera: |
Canon EOS 40D [ unmodified ] |
| Exposure: |
30 minutes [ 6 x 5 minutes ] at ISO 400 |
| Accessories: |
Autoguided with Meade DSI Pro and Stellarvue SV80S at f/6 |
| Location: |
Bear Valley Springs, CA |
| Date |
December 15, 2007 |
| Notes: |
Processing: Image acquisition with Canon EOS Utility. Dark frame reduction, convert, align, and combine with ImagesPlus 3.0. Levels, curves, and unsharp mask in Photoshop.
Visible in the larger image are the tiny galaxies NGC1169 (magnitude 11.6, behind the comet's tail), NGC1160 (magnitude 12.8), NGC1161 (magnitude 11.1), as well as others down to magnitude 16.8!
Click the image for a larger version (1800 x 1200, ~2.0 MB).
More Comet Holmes Images:
December 9th [ 40D / 200mm lens / 5 minutes / from Ontario, CA ]
November 15th [ 40D / FSQ-106ED / 21 minutes / from Ontario, CA ]
October 25th [ ST-10XME / FSQ-106ED / 90 seconds / from Ontario, CA ]
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