Image 4 of 4
This is what it looked like with a 10 second exposure. Note the horizon in pin sharp - the comet head is elongated due to the rotation of the earth. The length of the elongated comet head indicates that the tail is about 3 moon widths long (1.5 degrees of arc).
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| FILENAME | IMG_2030-01 |
| Date and Time (GMT) | 10-01-2007 17:26:31 |
| Camera model | Canon EOS 20D |
| Original image size | 3504 x 2336 |
| Cropped original size | 2477x1651 |
| Displayed image size | 750x499 |
| Equiv. 35mm focal length | 456mm |
| Exposure time | 10.0s |
| Aperture | f/5.6 |
| Film Speed | 100 |
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