| Comet | 109P/Swift-Tuttle |
|---|---|
| User | chergen |
| User`s name | Carl Hergenrother |
| Observation's time (UT) | 1992-10-20 02:09:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 7.1 |
| Comparison stars source | |
| Method | S - Sidgwick`s method |
| Coma diameter(') | Not set |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 20.3 cm |
| Focal length (mm) | 3045 |
| Type of tool | R - Refractor |
| Magnification | 152 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1992 Oct 20.09 UT: m1=7.1, DC=3 ...20.3-cm (152x) ...Carl Hergenrother (, ) |
