Comet | C/1987 B1 (Nishikawa-Takamizawa-Tago |
---|---|
User | HAS02 |
User`s name | Werner Hasubick |
Observation's time (UT) | 1987-01-31 18:00:00 |
Tool | 14 |
Observation's place | |
Magnitude | 8.3 |
Comparison stars source | |
Method | S - Sidgwick`s method |
Coma diameter(') | 4 |
Tail's length | Not set |
Condensation | 4 |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 8 cm |
Focal length (mm) | 0 |
Type of tool | |
Magnification | 20 |
Field of view (°) | Not set |
SQM-L in zenith | Not set |
Light pollution zone | |
Lm | Not set |
Comment | |
Morris Format | 1987 Jan 31.75 UT: m1=8.3, Dia.=4', DC=4 ...8-cm (20x) ...Werner Hasubick (, ) |