490 B
490 B
| name | constellation | created_by | created_date | updated_by | updated_date |
|---|---|---|---|---|---|
| δ Cygni | Cyg | editor.cs | 2023-11-05 17:51:32.837916 | editor.cs | 2023-11-05 17:51:32.837921 |
Binary star, with component magnitudes reaching values of 2.9 and 6.3, their separation is 2.4" and the distance from Earth is 124 light-years. It is a good test for a 10-15 cm telescope. The primary component is reported by observers as white, pale blue, or even blue-green, while the secondary appears pale blue to blue.