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. | 1985-08-20 22:33:00 | 8.3 | 3.6 | 4 | 10B (14x) |  | |
| Hasubick W. | 1985-08-21 20:38:00 | 8.4 | 5.3 | 3 | 10B (14x) | | |
| Hasubick W. | 1985-09-11 01:40:00 | 8.0 | 6.6 | 4 | 10B (14x) | | |
| Hasubick W. | 1985-09-19 01:40:00 | 8.7 | 6.2 | 4 | 10B (14x) | | |
| Hasubick W. | 1985-09-20 02:52:00 | 8.8 | 5.7 | 4 | 10B (14x) | | |
| Hasubick W. | 1998-07-19 21:21:00 | 14.3 | 0.4 | 4 | 44L (156x) | | |
| 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) | |
