| Comet | C/2015 V2 (Johnson) |
|---|---|
| User | Jerzy Bohusz |
| User`s name | Jerzy Bohusz |
| Observation's time (UT) | 2017-04-20 23:45:00 |
| Tool | TNAk 250 mm |
| Observation's place | Myślin |
| Magnitude | 8.7 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 7.0 |
| Tail's length | Not set |
| Condensation | s4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 25 cm |
| Focal length (mm) | 1170 |
| Type of tool | L - Newtonian reflector |
| Magnification | 53.2 |
| Field of view (°) | 1.22 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2017 Apr 20.99 UT: m1=8.7, Dia.=7.0', DC=4 ...25-cm L (53.2x) ...Jerzy Bohusz (Myślin, Poland) |
