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 | ||
|---|---|---|---|---|---|---|---|
| Hasubick W. | 1998-08-26 19:55:00 | 12.2 | 1.1 | 3 | 20.3T (93x) |  | |
| Hasubick W. | 1998-10-13 18:14:00 | 9.7 | 4.6 | 3 | 10B (25x) | | |
| Hasubick W. | 1998-10-22 17:45:00 | 9.5 | 3.8 | 4 | 10B (25x) | | |
| Hasubick W. | 1998-11-18 18:28:00 | 8.5 | 2.5 | 4 | 10B (25x) | | |
| Hasubick W. | 1998-12-15 16:47:00 | 9.7 | 2.4 | 3 | 10B (25x) | | |
| Hasubick W. | 1999-01-06 17:31:00 | 11.5 | 0.5 | 5 | 44L (63x) | | |
| Hasubick W. | 1999-01-19 17:31:00 | 11.5 | 0.9 | 3 | 44L (156x) | | |
| Hasubick W. | 1999-03-12 18:57:00 | 13.6 | 0.4 | 3 | 44L (156x) | | |
| Hasubick W. | 2011-11-25 17:16:00 | 13.4 | 0.8 | 4 | 44L (100x) | | |
| Meyer M. | 1998-07-25 22:04:00 | 13: | 0.7 | 2 | 25.4L (104x) | |
