| Comet | C/1980 E1 (Bowell) |
|---|---|
| User | terryjlovejoy |
| User`s name | Terry Lovejoy |
| Observation's time (UT) | 1982-06-13 12:57:00 |
| Tool | 20cm Newtonian |
| Observation's place | Shailer Park |
| Magnitude | 11.8 |
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 0.8 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 20 cm |
| Focal length (mm) | 1200 |
| Type of tool | L - Newtonian reflector |
| Magnification | 48 |
| Field of view (°) | 1.04 |
| SQM-L in zenith | Not set |
| Light pollution zone | Orange |
| Lm | Not set |
| Comment | Transparency excellent with cold westerly wind. Nearly 18 month wait to see another comet since Tuttle and Stephan-Oterma. |
| Morris Format | 1982 Jun 13.54 UT: m1=11.8, Dia.=0.8', DC=4 ...20-cm L (48x) ...Terry Lovejoy (Shailer Park, Australia) |
