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. | 1985-07-22 20:52:00 | 9.3 | 2.5 | 5 | 10B (14x) |  | |
| Hasubick W. | 1998-11-18 18:28:00 | 8.5 | 2.5 | 4 | 10B (25x) | | |
| Goiato M. | 2018-10-22 05:30:00 | 10.0: | 2.5 | 3 | 22L (160x) | | |
| Morozov A. | 2018-07-25 23:40 | 9.9 | 2.5 | 5 | 25.4L (48x) | | |
| Morozov A. | 2018-07-30 22:11 | 9.4 | 2.5 | 5.5 | 25.4L (48x) | | |
| Bezruchenko S. | 2018-08-02 13:00 | 8.9 | 2.5 | 6 | 20L (58.8x) | | |
| Shurpakov S. | 1998-10-21 18:57:00 | 9.1 | 2.5 | 5 | 25L (64x) | | |
| Shurpakov S. | 1998-09-21 21:07:00 | 10.0 | 2.5 | 3.5 | 25L (64x) | | |
| Mitrofanov P. | 2018-08-10 21:41 | 8.0 | 2.5 | 4 | 8B (20x) | | |
| Hasubick W. | 1998-12-15 16:47:00 | 9.7 | 2.4 | 3 | 10B (25x) | |
