Observation's detail view
| Comet | C/2013 A1 (Siding Spring) |
|---|---|
| User | Castor 98 |
| User`s name | |
| Observation's time (UT) | 2015-02-16 03:50:00 |
| Tool | 7.6cm, f/4 reflector |
| Observation's place | Brno (205 m a.s.l.) |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | |
| Magnitude | [11.6 |
| Coma diameter(') | 1.8 |
| Tail's length | Not set |
| Condensation | Not set |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 7.6 |
| 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 | I confirmed that it is not visible in small telescopes. Fainter than 11.6 mag. |
| Morris Format | 2015 Feb 16.16 UT: m1=[11.6, Dia.=1.8' ...7.6-cm L (37.5x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic) |