| Comet | C/2015 F3 (SWAN) |
|---|---|
| User | Castor 98 |
| User`s name | Marek Biely |
| Observation's time (UT) | 2015-05-18 21:31:00 |
| Tool | 7.6cm, f/4 reflector |
| Observation's place | Brno (205 m a.s.l.) |
| Magnitude | [11.7 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | |
| Coma diameter(') | 1.1 |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 7.6 cm |
| Focal length (mm) | 300 |
| Type of tool | L - Newtonian reflector |
| Magnification | 37.5 |
| Field of view (°) | 1.6 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | Not set |
| Comment | No surprise that it was already not visible as it was fading and getting diffuse rapidly before. Fainter than 11.7 mag. |
| Morris Format | 2015 May 18.9 UT: m1=[11.7, Dia.=1.1' ...7.6-cm L (37.5x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic) |
