| Comet | C/2015 F4 (Jacques) |
|---|---|
| User | Artom |
| User`s name | Artyom Novichonok |
| Observation's time (UT) | 2015-08-20 21:24 |
| Tool | SW 8'' |
| Observation's place | Pedaselga forest |
| Magnitude | 11.7 |
| Comparison stars source | AQ - APASS catalog |
| Method | M - Morris`s method |
| Coma diameter(') | 1.4 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | 3 |
| Aperture | 20 cm |
| Focal length (mm) | 1000 |
| Type of tool | L - Newtonian reflector |
| Magnification | 153.8 |
| Field of view (°) | 0.39 |
| SQM-L in zenith | 21.18 |
| Light pollution zone | Green |
| Lm | |
| Comment | 12 гр. С, астрономические сумерки |
| Morris Format | 2015 Aug 20.89 UT: m1=11.7, Dia.=1.4', DC=4 ...20-cm L (153.8x) ...Artyom Novichonok (Pedaselga forest, Russia) |