| Comet | C/1989 X1 (Austin) |
|---|---|
| User | LIN01 |
| User`s name | |
| Observation's time (UT) | 1990-04-26 02:09:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 5.0 |
| Comparison stars source | |
| Method | I - Variable stars (without defocusing) |
| 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 | S - Schmidt-Newtonian telescope |
| Magnification | 20 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1990 Apr 26.09 UT: m1=5.0, Dia.=4', DC=7 ...14-cm (20x) ... (, ) |