| Comet | C/1989 X1 (Austin) |
|---|---|
| User | wacekm |
| User`s name | Waclaw Moskal |
| Observation's time (UT) | 1990-05-03 23:31:00 |
| Tool | Not set |
| Observation's place | Krosno, Poland |
| Magnitude | 5.3 |
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
| Method | B - Bobrovnikoff`s method |
| Coma diameter(') | |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | |
| Focal length (mm) | Not set |
| Type of tool | |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 1990 May 3.98 UT: m1=5.3, DC=4 ...Waclaw Moskal (Krosno, Poland, Poland) |
