| Comet | C/2017 O1 (ASASSN) |
|---|---|
| User | Norm |
| User`s name | Neil Norman |
| Observation's time (UT) | 2018-01-07 19:11:00 |
| Tool | Telescope |
| Observation's place | Ipswich |
| Magnitude | 10 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | |
| Coma diameter(') | 2 |
| Tail's length | Not set |
| Condensation | 2 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 11.4 cm |
| Focal length (mm) | 8 |
| Type of tool | L - Newtonian reflector |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | 6.5 |
| Comment | |
| Morris Format | 2018 Jan 7.8 UT: m1=10, Dia.=2', DC=2 ...11.4-cm L ...Neil Norman (Ipswich, England) |
