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. | 2015-07-23 03:21:00 | 15.7 | 0.5 | 15.0R |  | ||
| Prystavski T. | 2015-09-13 11:31:00 | 15.6 | 10.6R | | |||
| Prystavski T. | 2014-02-06 18:43:00 | 15.2 | 0.24 | 31.7Y | | ||
| Prystavski T. | 2014-12-20 10:19:00 | 15.2 | 0.3 | 51.0Y | | ||
| Prystavski T. | 2015-10-15 21:07:00 | 15.1: | 0.5 | 15.0R | | ||
| Prystavski T. | 2014-03-05 18:28:00 | 14.9 | 0.26 | 51.0Y | | ||
| Prystavski T. | 2014-04-28 17:45:00 | 14.8: | 0.4 | 31.7Y | | ||
| Prystavski T. | 2013-07-29 09:07:00 | 14.7: | 0.6 | 31.7Y | | ||
| Prystavski T. | 2013-09-03 09:50:00 | 14.7 | 0.65 | 31.7Y | | ||
| Prystavski T. | 2013-06-29 04:33:00 | 14.6 | 0.5 | 10.6R | |
