| Comet | C/1989 X1 (Austin) |
|---|---|
| User | KAM01 |
| User`s name | |
| Observation's time (UT) | 1990-05-20 00:57:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 5.7 |
| Comparison stars source | |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 21 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 6.3 cm |
| Focal length (mm) | 0 |
| Type of tool | B - Binoculars |
| Magnification | 9 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1990 May 20.04 UT: m1=5.7, Dia.=21', DC=3 ...6.3-cm (9x) ... (, ) |
