| Comet | 46P/Wirtanen |
|---|---|
| User | Sergey-B |
| User`s name | Sergey Bezruchenko |
| Observation's time (UT) | 2018-12-28 12:00 |
| Tool | SW 8х50 |
| Observation's place | с.Чугуевка |
| Magnitude | 4.6 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 45 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 5 cm |
| Focal length (mm) | 170 |
| Type of tool | R - Refractor |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | Green |
| Lm | 4.5 |
| Comment | |
| Morris Format | 2018 Dec 28.5 UT: m1=4.6, Dia.=45', DC=3 ...5-cm R ...Sergey Bezruchenko (с.Чугуевка, Россия) |
