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. | 1985-08-21 20:38:00 | 8.4 | 5.3 | 3 | 10B (14x) |  | |
| 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) | | |
| Morozov A. | 2018-10-18 01:50 | 10.9 | 1.5 | 3 | 25.4L (120x) | | |
| Hasubick W. | 1998-12-15 16:47:00 | 9.7 | 2.4 | 3 | 10B (25x) | | |
| 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) | | |
| Goiato M. | 2018-10-22 05:30:00 | 10.0: | 2.5 | 3 | 22L (160x) | | |
| Novichonok A. | 2018-07-06 21:36:00 | 11.1 | 1.5 | 3 | 15L (60x) | | |
| Novichonok A. | 2018-07-07 22:33:00 | 10.8 | 1.5 | 3 | 15L (60x) | |
