| Comet | 2P/Encke |
|---|---|
| User | Jefferson |
| User`s name | Thomas Jefferson |
| Observation's time (UT) | 1957-07-25 00:00:00 |
| Tool | James Lick Telescope |
| Observation's place | Lick Observatory |
| Magnitude | 17 |
| Comparison stars source | |
| Method | |
| Coma diameter(') | 0.17 |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 91.44 cm |
| Focal length (mm) | 17370 |
| Type of tool | R - Refractor |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | diffuse with central condensation |
| Morris Format | 1957 Jul 25. UT: m1=17, Dia.=0.17' ...91.44-cm R ...Thomas Jefferson (Lick Observatory, USA) |
