| Comet | C/2017 E4 (Lovejoy) |
|---|---|
| User | Peter_Pskov |
| User`s name | Petr Mitrofanov |
| Observation's time (UT) | 2017-04-09 00:35 |
| Tool | Bresser 20x80 |
| Observation's place | Pskov (Home) |
| Magnitude | [7.7 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | |
| Coma diameter(') | |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 8 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 20 |
| Field of view (°) | 3.2 |
| SQM-L in zenith | |
| Light pollution zone | Red |
| Lm | 3.5 |
| Comment | Moon, cirrus clouds |
| Morris Format | 2017 Apr 9.02 UT: m1=[7.7 ...8-cm B (20x) ...Petr Mitrofanov (Pskov (Home), Russia) |
