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. | 1985-08-11 21:50:00 | 8.5 | 3.6 | 3 | 10B (14x) |  | |
| Hasubick W. | 1985-08-20 22:33:00 | 8.3 | 3.6 | 4 | 10B (14x) | | |
| Novichonok A. | 2018-07-26 00:00:00 | 9.5 | 3.6 | 4.5 | 15L (30x) | | |
| . | 1985-08-11 00:14:00 | 8.4 | 3.6 | 5 | 14S (25x) | | |
| Hasubick W. | 1998-10-22 17:45:00 | 9.5 | 3.8 | 4 | 10B (25x) | | |
| Bohusz J. | 2018-08-01 20:24:00 | 9.5 | 3.9 | 5 | 25L (97.9x) | | |
| Gasiūnas D. | 2018-08-18 23:30 | 8.0 | 4 | 5 | 12R (29.5x) | | |
| Sergey I. | 2018-08-18 20:30:00 | 8.0 | 4 | 5 | 20L (40x) | | |
| Mitrofanov P. | 2018-08-18 22:36 | 7.6 | 4 | 4 | 8B (20x) | | |
| Jordanov P. | 2018-08-24 01:05 | 7.5 | 4 | 6 | 15L (28.8x) | |
