481 B
481 B
| name | constellation | created_by | created_date | updated_by | updated_date |
|---|---|---|---|---|---|
| Achird (η Cassiopeiae) | Cas | 8mag | 2022-01-21 17:00:00 | skybber | 2022-01-23 10:11:59.909995 |
a well-known binary star discovered in 1779 by William Herschel. The yellow, golden star (3.7mag) has a guide star of brightness 7.4mag with a red, purple tinge at a distance of 13" (the distance varies from 5" to 16" in period), which orbits it in 526 years. We can resolve the double star in a 6 cm telescope.