| Comet | C/1798 G1 (Messier) |
|---|---|
| User | Burckhardt |
| User`s name | Johann Karl Burckhardt |
| Observation's time (UT) | 1798-04-25 00:00 |
| Tool | naked eye |
| Observation's place | Paris |
| Magnitude | 7: |
| 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 | cm |
| Focal length (mm) | Not set |
| Type of tool | E - Naked eye |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1798 Apr 25. UT: m1=7:...Naked Eye ...Johann Karl Burckhardt (Paris, France) |