| Comet | C/1987 B1 (Nishikawa-Takamizawa-Tago |
|---|---|
| User | HAS02 |
| User`s name | Werner Hasubick |
| Observation's time (UT) | 1987-05-21 01:55:00 |
| Tool | 14 |
| Observation's place | |
| Magnitude | 7.4 |
| Comparison stars source | |
| Method | S - Sidgwick`s method |
| Coma diameter(') | Not set |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 3 cm |
| Focal length (mm) | 0 |
| Type of tool | |
| Magnification | 8 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1987 May 21.08 UT: m1=7.4 ...3-cm (8x) ...Werner Hasubick (, ) |
