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 | ||
|---|---|---|---|---|---|---|---|
| Ivanov V. | 1998-10-23 16:20:00 | 9.6 | 3.5 | 5 | 11L (32.2x) |  | |
| Hasubick W. | 1985-07-22 20:52:00 | 9.2 | 2.3 | 5 | 20.5L (52x) | | |
| Hasubick W. | 1985-07-22 20:52:00 | 9.3 | 2.5 | 5 | 10B (14x) | | |
| Hasubick W. | 1985-07-24 22:19:00 | 8.9 | 2 | 5 | 10B (14x) | | |
| Hasubick W. | 1985-07-24 22:19:00 | 9.0 | 1.4 | 5 | 20.5L (52x) | | |
| Hasubick W. | 1999-01-06 17:31:00 | 11.5 | 0.5 | 5 | 44L (63x) | | |
| Morozov A. | 2018-07-12 21:24 | 10.1 | 1.5 | 5 | 25.4L (120x) | | |
| Gasiūnas D. | 2018-07-20 22:50 | 10.6 | 1 | 5 | 30.5L (123.3x) | | |
| Novichonok A. | 2018-07-21 22:19:00 | 9.5 | 4 | 5 | 15L (30x) | | |
| Novichonok A. | 2018-07-23 23:02:00 | 9.3 | 4.5 | 5 | 15L (30x) | |
