| Comet | C/2013 A1 (Siding Spring) |
|---|---|
| User | Castor 98 |
| User`s name | Marek Biely |
| Observation's time (UT) | 2014-10-28 17:45:00 |
| Tool | 7.6cm, f/4 reflector |
| Observation's place | Brno (205 m a.s.l.) |
| Magnitude | [10.3 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | |
| Coma diameter(') | 1.6 |
| 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 | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | No chance. Fainter than 10.3 mag. Slight interference of astronomical twilight and moonlight. |
| Morris Format | 2014 Oct 28.74 UT: m1=[10.3, Dia.=1.6' ...7.6-cm L (37.5x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic) |