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) |  | |
| Novichonok A. | 2018-07-22 22:33:00 | 9.3 | 4.4 | 5.5 | 15L (30x) | | |
| Novichonok A. | 2018-07-23 23:02:00 | 9.3 | 4.5 | 5 | 15L (30x) | | |
| . | 1985-07-21 22:04:00 | 9.3 | 1.6 | 5 | 20.3T (62x) | | |
| Meyer M. | 1998-11-07 17:45:00 | 9.3 | 2.9 | 4 | 25.4L (65x) | | |
| Biely M. | 2018-08-03 21:56:00 | 9.3 | 4.4 | 4 | 8B (20x) | | |
| Hasubick W. | 1985-07-21 21:07:00 | 9.2 | 2 | 4 | 12.7T (60x) | | |
| Hasubick W. | 1985-07-22 20:52:00 | 9.2 | 2.3 | 5 | 20.5L (52x) | | |
| . | 1985-07-12 22:48:00 | 9.2 | 1.5 | 4 | 20.3T (62x) | | |
| Gasiūnas D. | 2018-08-02 21:50 | 9.2 | 1.4 | 6 | 30.5L (123.3x) | |
