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Table 1
Observing conditions.
| UT date | Image ID | R | Exposure time | Spectral range | r | Δ |
|
Projected slit length |
| (s) | (nm) | (AU) | (AU) | (km s-1) | (km) | |||
|
|
||||||||
| 22:33:18 2007 October 25 | JMEC0039 | 164 000 | 180 | 462–792 | 2.443 | 1.633 | –4.0099 | 4674.0 |
| 22:59:24 2007 October 25 | JMEC0041 | 57 000 | 600 | 360–514 | 2.443 | 1.633 | –3.9427 | 4674.0 |
| 21:33:39 2007 December 2 | JODF0017 | 29 000 | 2700 | 462–792 | 2.591 | 1.697 | 10.6591 | 9824.0 |
| 22:24:48 2007 December 2 | JODF0018 | 29 000 | 2700 | 360–514 | 2.591 | 1.697 | 10.7384 | 9824.0 |
Notes. Exposure starting time, spectrum identifier, resolving power, exposure time, spectral range covered by the spectrum, heliocentric and geocentric distances of the comet at the time of observation, geocentric velocity of the comet at the time of observation, and projected slit length on the comet.
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