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. | 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) | | |
| Hasubick W. | 2011-11-25 17:16:00 | 13.4 | 0.8 | 4 | 44L (100x) | | |
| Jordanov P. | 2018-08-18 20:35 | 7.4 | 3 | 5 | 15L (28.8x) | | |
| Jordanov P. | 2018-08-22 00:30 | 7.7 | 4.5 | 5 | 15L (28.8x) | | |
| Jordanov P. | 2018-08-24 01:05 | 7.5 | 4 | 6 | 15L (28.8x) | | |
| Jordanov P. | 2018-09-07 00:00 | 7.6 | 4.5 | 5 | 15L (28.8x) | | |
| Jordanov P. | 2018-09-09 00:10 | 8.0 | 4.5 | 5 | 15L (23.4x) | | |
| Jordanov P. | 2018-09-12 00:10 | 7.0 | 4 | 5 | 15L (28.8x) | | |
| Jordanov P. | 2018-09-15 01:00 | 7.8 | 2 | 4 | 15L (28.8x) | |
