| Comet | 17P/Holmes |
|---|---|
| User | AHale |
| User`s name | Alan Hale |
| Observation's time (UT) | 2014-09-27 |
| Tool | 41-cm reflector |
| Observation's place | Cloudcroft |
| Magnitude | 13.2 |
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 1.2 |
| Tail's length | Not set |
| Condensation | 2 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 40.64 cm |
| Focal length (mm) | 1828.8 |
| Type of tool | L - Newtonian reflector |
| Magnification | 140.7 |
| Field of view (°) | 0 |
| SQM-L in zenith | Not set |
| Light pollution zone | Blue |
| Lm | Not set |
| Comment | |
| Morris Format | 2014 Sep 27 UT: m1=13.2, Dia.=1.2', DC=2 ...40.64-cm L (140.7x) ...Alan Hale (Cloudcroft, U.S.A.) |
