440 B
440 B
name | constellation | created_by | created_date | updated_by | updated_date |
---|---|---|---|---|---|
γ1,2 Del | Del | editor.cs | 2022-01-21 17:00:00 | skybber | 2022-01-27 17:56:20.149146 |
a physical binary star whose apparent brightness components of 4.3mag (yellow) and 5.1mag (greenish) are 10" apart in the sky, so we can distinguish them in a 5 cm telescope. The guide might also appear bluish in some eyepieces, due to the contrast with the yellow main component.