| Comet | C/1987 B1 (Nishikawa-Takamizawa-Tago |
|---|---|
| User | LIN01 |
| User`s name | |
| Observation's time (UT) | 1987-02-01 20:09:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 7.9 |
| Comparison stars source | |
| Method | B - Bobrovnikoff`s method |
| Coma diameter(') | 4 |
| Tail's length | Not set |
| Condensation | 7 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 14 cm |
| Focal length (mm) | 0 |
| Type of tool | |
| Magnification | 25 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1987 Feb 1.84 UT: m1=7.9, Dia.=4', DC=7 ...14-cm (25x) ... (, ) |
