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 | ||
|---|---|---|---|---|---|---|---|
| Shurpakov S. | 2015-09-22 00:28:00 | 16.4 | 0.30 | 8 | 25L |  | |
| Shurpakov S. | 2015-12-29 17:16:00 | 16.6 | 0.35 | 8.5 | 25L | | |
| Shurpakov S. | 2016-08-31 23:53:00 | 17.9 | 0.16 | 9 | 25L | | |
| Shurpakov S. | 2016-09-06 01:29:00 | 17.7 | 8.5 | 25L | | ||
| Shurpakov S. | 2016-09-10 00:50:00 | 17.5 | 0.16 | 8.5 | 25L | | |
| Shurpakov S. | 2016-11-24 21:47:00 | 17.1 | 0.10 | 8.5 | 254L | | |
| Shurpakov S. | 2016-12-06 20:57:00 | 17.2 | 0.29 | 8 | 254L | | |
| Prystavski T. | 2013-04-30 06:00:00 | 14.4 | 0.52 | 51.0Y | | ||
| Prystavski T. | 2013-06-01 06:14:00 | 14.5 | 0.63 | 10.6R | | ||
| Prystavski T. | 2013-06-29 04:33:00 | 14.6 | 0.5 | 10.6R | |
