Lalande 21185 is a magnitude-7.5 red-dwarf star in the constellation Ursa Major. It lies about midway between the constellation Leo and the Big Dipper asterism. At a distance of 8.3 ly, it is the fourth nearest star system, but the sixth-nearest star, because the Alpha Centauri system consists of three stars. The closest member of the Alpha Centauri trio is Proxima Centauri, a magnitude-11 red dwarf. Next comes Barnard's Star, a magnitude-9.5 red dwarf, then Wolf 359, a magnitude-13.5 red dwarf, and then Lalande 21185. From this list of the six nearest stars, four of them are too faint to be seen with the unaided eye.
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| Location of Lalande 21185. credit: SkySafariAstronomy.com |
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| Lalande 21185 is circled. Olympus E-M1iii + Lumix 20mm f/1.7 lens. |
In the image above, the constellation Leo is in the bottom half and the location of Lalande 21185 is marked with a circle near the top. Lalande 21185 is the brightest red dwarf star in the northern celestial hemisphere. It can be seen with binoculars.
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| Lalande 21185 is at the center. Sightron infini D50 telescope (540mm focal length) |
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