| Comet | 17P/Holmes |
|---|---|
| User | Norm |
| User`s name | Neil Norman |
| Observation's time (UT) | 2007-12-07 |
| Tool | Naked eye |
| Observation's place | Ipswich |
| Magnitude | 2.7 |
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
| Method | |
| Coma diameter(') | 60 |
| Tail's length | 0.5° |
| Condensation | 5 |
| Positional angle of tail | 0 |
| Bortl's scale | Not set |
| Aperture | 0 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2007 Dec 7 UT: m1=2.7, Dia.=60', DC=5, Tail: 0.5 deg, in PA 0 deg ...0-cm...Naked Eye ...Neil Norman (Ipswich, England) |
