| Comet | 117P/Helin-Roman-Alu |
|---|---|
| User | Outbackmanyep |
| User`s name | Chris Wyatt |
| Observation's time (UT) | 2013-07-02 10:33:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 14.2 |
| Comparison stars source | AQ - APASS catalog |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 0.5 |
| Tail's length | Not set |
| Condensation | 2 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 25 cm |
| Focal length (mm) | 1250 |
| Type of tool | L - Newtonian reflector |
| Magnification | 167 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2013 Jul 2.44 UT: m1=14.2, Dia.=0.5', DC=2 ...25-cm (167x) ...Chris Wyatt (, ) |
