---
name: δ Cygni
constellation: Cyg
created_by: 8mag
created_date: 2022-01-21 17:00:00
updated_by: skybber
updated_date: 2022-01-27 17:51:06.031621
---
a binary star, the magnitudes of the components are 2.9 and 6.3, their separation is 2.4" and their distance from Earth is 124ly. It is a good test for a 10-15 cm telescope. The main component is reported by observers as white, pale blue or even blue-green, the minor component appears pale blue to blue.