| Comet | C/1989 X1 (Austin) |
|---|---|
| User | LIN01 |
| User`s name | |
| Observation's time (UT) | 1990-04-30 00:14:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 4.8 |
| Comparison stars source | |
| Method | B - Bobrovnikoff`s method |
| Coma diameter(') | 7.3 |
| Tail's length | 1.4° |
| Condensation | 7 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 5 cm |
| Focal length (mm) | 0 |
| Type of tool | B - Binoculars |
| Magnification | 7 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1990 Apr 30.01 UT: m1=4.8, Dia.=7.3', DC=7, Tail: 1.4 deg ...5-cm (7x) ... (, ) |
