| Comet | C/2013 US10 (Catalina) |
|---|---|
| User | Aquarellia |
| User`s name | Deconinck Michel |
| Observation's time (UT) | 2016-02-07 19:23 |
| Tool | Vixen BT126-SS-A |
| Observation's place | Notre Dame la Brune |
| Magnitude | 7.3: |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | I - Variable stars (without defocusing) |
| Coma diameter(') | 8 |
| Tail's length | 20' |
| Condensation | 3 |
| Positional angle of tail | 280 |
| Bortl's scale | 3 |
| Aperture | 126 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 40 |
| Field of view (°) | 1.5 |
| SQM-L in zenith | 20.88 |
| Light pollution zone | Blue |
| Lm | |
| Comment | With the swan filter (Lumicon comet) the tail is still visible but fainter (?) strange. I did a sketch |
| Morris Format | 2016 Feb 7.81 UT: m1=7.3:, Dia.=8', DC=3, Tail: 20 arcmin, in PA 280 deg ...126-cm B (40x) ...Deconinck Michel (Notre Dame la Brune, France) |
