| Comet | C/2013 X1 (PANSTARRS) |
|---|---|
| User | AHale |
| User`s name | Alan Hale |
| Observation's time (UT) | 2016-01-03 03:07:00 |
| Tool | 41-cm reflector |
| Observation's place | Cloudcroft |
| Magnitude | 9.4 |
| Comparison stars source | NH - North Polar Sequence (publ. by Henden and Kaitchuck, 1982) |
| Method | S - Sidgwick`s method |
| Coma diameter(') | |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 40.64 cm |
| Focal length (mm) | 1828.8 |
| Type of tool | L - Newtonian reflector |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | Green |
| Lm | |
| Comment | When I saw it for the first time in 2016 (January 3.13) it had clearly brightened significantly, to m1 = 9.4 (which may be a bit of an underestimate, as I was unable to convincingly detect it in 10x50 binoculars due to nearby stars of similar brightness). |
| Morris Format | 2016 Jan 3.13 UT: m1=9.4 ...40.64-cm L ...Alan Hale (Cloudcroft, U.S.A.) |
