CCD Observations catalog of 117P/Helin-Roman-Alu
There are 30 observations of this comet
| User | Observation's time (UT) | Magnitude | Coma diameter(') | Coma degree of condensation | Tool | ||
|---|---|---|---|---|---|---|---|
| Prystavski T. | 2014-09-11 09:07:00 | 13.4: | 1.7 | 31.7Y |  | ||
| Prystavski T. | 2014-10-12 09:50:00 | 14.2 | 0.8 | 10.6R | | ||
| Prystavski T. | 2014-11-16 11:02:00 | 14.6 | 0.5 | 10.6R | | ||
| Prystavski T. | 2014-12-20 10:19:00 | 15.2 | 0.3 | 51.0Y | | ||
| Prystavski T. | 2015-06-03 19:12:00 | 16.7: | 0.2 | 51.0Y | | ||
| Prystavski T. | 2015-06-13 19:55:00 | 16.1 | 0.3 | 51.0Y | | ||
| Prystavski T. | 2015-07-23 03:21:00 | 15.7 | 0.5 | 15.0R | | ||
| Prystavski T. | 2015-08-17 19:26:00 | 16.0 | 0.3 | 51.0Y | | ||
| Prystavski T. | 2015-09-13 11:31:00 | 15.6 | 10.6R | | |||
| Prystavski T. | 2015-10-15 21:07:00 | 15.1: | 0.5 | 15.0R | |
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