| Comet | C/2013 A1 (Siding Spring) |
|---|---|
| User | cer01 |
| User`s name | Jakub Černý |
| Observation's time (UT) | 2015-04-21 23:31:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 14.9 |
| Comparison stars source | AQ - APASS catalog |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 0.8 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 40 cm |
| Focal length (mm) | 2000 |
| Type of tool | L - Newtonian reflector |
| Magnification | 200 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2015 Apr 21.98 UT: m1=14.9, Dia.=0.8', DC=4 ...40-cm (200x) ...Jakub Černý (, ) |
