| Comet | C/1798 G1 (Messier) |
|---|---|
| User | Messier |
| User`s name | Charles Messier |
| Observation's time (UT) | 1798-04-12 19:55 |
| Tool | refractor, 4" |
| Observation's place | Paris |
| Magnitude | 6.5: |
| Comparison stars source | |
| Method | |
| Coma diameter(') | Not set |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 10 cm |
| Focal length (mm) | Not set |
| 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 | Comet looked "small round, and without appearance of a tail" |
| Morris Format | 1798 Apr 12.83 UT: m1=6.5: ...10-cm R ...Charles Messier (Paris, France) |
