| Comet | C/2015 V2 (Johnson) |
|---|---|
| User | seiichi |
| User`s name | Seiichi Yoshida |
| Observation's time (UT) | 2016-10-20 19:26:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 13.1 |
| Comparison stars source | TA - Comparison-star magnitudes from "The Amateur Sky Survey" |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 0.6 |
| Tail's length | Not set |
| Condensation | 5 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 40 cm |
| Focal length (mm) | 1600 |
| Type of tool | L - Newtonian reflector |
| Magnification | 257 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2016 Oct 20.81 UT: m1=13.1, Dia.=0.6', DC=5 ...40-cm (257x) ...Seiichi Yoshida (, ) |
