C/1891 F1 (Barnard–Denning)
< C
Comet Barnard–Denning as sketched by William F. Denning on 4 April 1891, alongside a passing meteor. | |
| Discovery | |
|---|---|
| Discovered by | Edward E. Barnard William F. Denning |
| Discovery site | Lick Observatory, California Bristol, England |
| Discovery date | 30 March 1891 |
| Designations | |
| 1891a 1891 I | |
| Orbital characteristics | |
| Epoch | 28 April 1891 (JD 2411850.5) |
| Observation arc | 101 days |
| Number of observations | 110 |
| Perihelion | 0.398 AU |
| Eccentricity | ~1.000 |
| Inclination | 120.512° |
| 195.454° | |
| Argument of periapsis | 178.750° |
| Last perihelion | 28 April 1891 |
| Physical characteristics | |
| Comet total magnitude (M1) | 8.8 |
| Comet nuclear magnitude (M2) | 9.5 |
| 8.0 (1891 apparition) | |
Comet Barnard–Denning, also known as C/1891 F1 by its modern nomenclature, is a parabolic comet that was observed through telescopes between March and July 1891. It was discovered by American astronomer, Edward Emerson Barnard, and British astronomer, William Frederick Denning.