| Comet | C/2015 V2 (Johnson) |
|---|---|
| User | Jerzy Bohusz |
| User`s name | Jerzy Bohusz |
| Observation's time (UT) | 2017-04-30 21:21:00 |
| Tool | WTN 380/1650 |
| Observation's place | Myślin |
| Magnitude | 8.9 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 7.0 |
| Tail's length | 0.18° |
| Condensation | s4 |
| Positional angle of tail | 280 |
| Bortl's scale | Not set |
| Aperture | 38 cm |
| Focal length (mm) | 1650 |
| Type of tool | L - Newtonian reflector |
| Magnification | 75 |
| Field of view (°) | 0.87 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2017 Apr 30.89 UT: m1=8.9, Dia.=7.0', DC=4, Tail: 0.18 deg, in PA 280 deg ...38-cm L (75x) ...Jerzy Bohusz (Myślin, Poland) |
