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Asteroid
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| Object : | Asteroid, Eunomia A851 OAM45 |
| Coordinates/Direction : | - |
| Object size : | 268 x 231 km |
| Object magnitude : | 7.9 - 11.24 |
| More to know : |
You can read more about the asteroid at Wikipedia: https://en.wikipedia.org/ wiki/ 15 Eunomia |
Eunomia A851 OAM45, 2024-11-01
(Click on image to get one in full resolution in a new window)
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| Date : | 2024-11-01 |
| Time (UT) : | 18:50 to 21:51 |
| Mount : | SkyWatcher EQ6 Pro, beltdrive modified (DIY 2019) |
| Lens/telescope : | Pentax 645 FA 300 mm ED f/4 (medium format lens) |
| Corrector/Barlow : | - |
| Field (FOV) : | 6.8x4.5o (full frame) before crop |
| camera : | Nikon D800, QE=0.56, full frame, 36 Mpixel, 14 bit |
| camera temperature: | - , no temperature sensor |
| Film/CCD : | Raw, NEF |
| Filter : | none |
| Control system: | Mount, camera, focus, guide (Ekos) controlled by KStars/Ekos Linux, 64-bit |
| Exp. time : | 73x60 seconds at ISO400 |
| Image process tool : | Siril, Gimp, Irfanview |
| Processing : | flat, astrometric col calibrated |
| Weather : | clear sky, +4o C |
| Site : | Sweden, Stockholm, Hagsätra.
Bortle 9 Free view Az: 20o to 90o, 165o to 185o, Alt: 20o to 55o |
| Comment : | One of the biggest asteroids, discovered already 1851 by Annibale de Gasparis. It's not spherical, it's elongated, 231 x 270 km. It has an orbital period of 1571 days. It's too weak even when it's closest to Earth to be seen by naked eye. Even if this photo is fully covered by the Milky Way in the background it's empty from interesting objects, plate solved: Asteroid image. |
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