| Comet | C/2018 W2 (Africano) |
|---|---|
| User | jeff42 |
| User`s name | j-philippe remillieux |
| Observation's time (UT) | 2019-09-03 22:00 |
| Tool | Dobonian Telescope |
| Observation's place | parc naturel régional du pilat |
| Magnitude | 10.5 |
| Comparison stars source | AQ - APASS catalog |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 3 |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | 6 |
| Aperture | 250 mm |
| Focal length (mm) | 1200 |
| Type of tool | L - Newtonian reflector |
| Magnification | 68.6 |
| Field of view (°) | 1.09 |
| SQM-L in zenith | |
| Light pollution zone | Orange |
| Lm | |
| Comment | |
| Morris Format | 2019 Sep 3.92 UT: m1=10.5, Dia.=3' ...250-cm L (68.6x) ...j-philippe remillieux (parc naturel régional du pilat, france) |
