| Comet | C/2015 V2 (Johnson) |
|---|---|
| User | ancv2000 |
| User`s name | Anton Tsvetkov |
| Observation's time (UT) | 2017-04-30 21:00:00 |
| Tool | Yukon |
| Observation's place | Zavolzhye |
| Magnitude | 8.7 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 8 |
| Tail's length | Not set |
| Condensation | 2/ |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 5 cm |
| Focal length (mm) | Not set |
| Type of tool | N - Monocular |
| Magnification | 30 |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2017 Apr 30.88 UT: m1=8.7, Dia.=8', DC=2.5 ...5-cm N (30x) ...Anton Tsvetkov (Zavolzhye, Russia) |
