| Comet | C/2002 Y1 (Juels-Holvorcem) |
|---|---|
| User | cer01 |
| User`s name | Jakub Černý |
| Observation's time (UT) | 2003-02-25 20:52:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 7.9 |
| Comparison stars source | |
| Method | M - Morris`s method |
| Coma diameter(') | 8 |
| Tail's length | 0.25° |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 7.6 cm |
| Focal length (mm) | 684 |
| Type of tool | L - Newtonian reflector |
| Magnification | 35 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2003 Feb 25.87 UT: m1=7.9, Dia.=8', DC=3, Tail: 0.25 deg ...7.6-cm (35x) ...Jakub Černý (, ) |
