| Comet | 46P/Wirtanen |
|---|---|
| User | Jerzy Bohusz |
| User`s name | Jerzy Bohusz |
| Observation's time (UT) | 2019-01-03 22:33:00 |
| Tool | TNAk 250 mm |
| Observation's place | Myślin |
| Magnitude | 5.6 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 24 |
| Tail's length | Not set |
| Condensation | 3/ |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 25 cm |
| Focal length (mm) | 1175 |
| Type of tool | L - Newtonian reflector |
| Magnification | 37.9 |
| Field of view (°) | 2.16 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2019 Jan 3.94 UT: m1=5.6, Dia.=24', DC=3.5 ...25-cm L (37.9x) ...Jerzy Bohusz (Myślin, Poland) |