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