C/1925 F1 (Shajn–Comas Solá)
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Comet Shajn–Comas Sola photographed by George van Biesbroeck from the Yerkes Observatory on 26 March 1925 | |
| Discovery | |
|---|---|
| Discovered by | Grigory Shajn Josep Comas Solá |
| Discovery site | Simeis Observatory, USSR Fabra Observatory, Spain |
| Discovery date | 22–23 March 1925 |
| Designations | |
| 1925a 1925 VI | |
| Orbital characteristics | |
| Epoch | 7 September 1925 (JD 2424400.5) |
| Observation arc | 711 days (1.95 years) |
| Number of observations | 59 |
| Perihelion | 4.181 AU |
| Eccentricity | 1.002432 |
| Orbital period | 4.8 million years (inbound) 691,000 years (outbound) |
| Inclination | 146.71° |
| 358.54° | |
| Argument of periapsis | 205.76° |
| Last perihelion | 6 September 1925 |
| Physical characteristics | |
| Comet total magnitude (M1) | 2.5 |
| 10.8 (1925 apparition) | |
Comet Shajn–Comas Solá, formal designation C/1925 F1, is a hyperbolic comet co-discovered by Grigory Shajn and Josep Comas Solá in 1925. At the time, it was the comet with the most distant known perihelion distance (until the discovery of 29P/Schwassmann–Wachmann two years later), which enabled astronomers to continue observing it until March 1927.