Observation catalog of 21P/Giacobini-Zinner
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There are 191 observations of this comet
| User | Observation's time (UT) | Magnitude | Coma diameter(') | Condensation | Tool | ||
|---|---|---|---|---|---|---|---|
| Meyer M. | 1998-12-11 17:02:00 | 9.6 | 2.8 | 3 | 25.4L (65x) |  | |
| Meyer M. | 1998-12-17 17:02:00 | 10.1 | 2.4 | 2 | 25.4L (65x) | | |
| Hasubick W. | 1985-07-12 22:04:00 | 10.7 | 1 | 6 | 20.5L (52x) | | |
| Hasubick W. | 1985-07-13 22:04:00 | 10.5 | 1.8 | 6 | 20.5L (52x) | | |
| Hasubick W. | 1985-07-21 21:07:00 | 9.2 | 2 | 4 | 12.7T (60x) | | |
| Hasubick W. | 1985-07-22 20:52:00 | 9.2 | 2.3 | 5 | 20.5L (52x) | | |
| Hasubick W. | 1985-07-22 20:52:00 | 9.3 | 2.5 | 5 | 10B (14x) | | |
| Hasubick W. | 1985-07-24 22:19:00 | 8.9 | 2 | 5 | 10B (14x) | | |
| Hasubick W. | 1985-07-24 22:19:00 | 9.0 | 1.4 | 5 | 20.5L (52x) | | |
| Hasubick W. | 1985-07-25 21:07:00 | 8.9 | 2.1 | 4 | 10B (14x) | |
