| Comet | C/1799 P1 (Méchain) |
|---|---|
| User | Maskelyne |
| User`s name | Nevil Maskelyne |
| Observation's time (UT) | 1799-09-23 00:00:00 |
| Tool | binoculars |
| Observation's place | Royal Observatory, Greenwich |
| Magnitude | 4.7: |
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
| Method | |
| Coma diameter(') | Not set |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 0 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1799 Sep 23. UT: m1=4.7: ...0-cm B ...Nevil Maskelyne (Royal Observatory, Greenwich, England) |
