| Comet | C/2013 A1 (Siding Spring) |
|---|---|
| User | Rob Kaufman |
| User`s name | Robert Kaufman |
| Observation's time (UT) | 2014-08-30 12:43:00 |
| Tool | 11.4-cm Newtonian reflector |
| Observation's place | Bright, Victoria |
| Magnitude | 10.3 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 1.5 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 11.4 cm |
| Focal length (mm) | 900 |
| Type of tool | L - Newtonian reflector |
| Magnification | 42.9 |
| Field of view (°) | 1.28 |
| SQM-L in zenith | |
| Light pollution zone | Green |
| Lm | Not set |
| Comment | Outer coma diffuse and faint; star-like central condensation visible in moments of good seeing. Slight elongation in fan shape to north (dust tail). Comet altitude 46-degrees. |
| Morris Format | 2014 Aug 30.53 UT: m1=10.3, Dia.=1.5', DC=4 ...11.4-cm L (42.9x) ...Robert Kaufman (Bright, Victoria, Australia) |
