---
name: Sadr (γ Cygni)
constellation: Cyg
created_by: 8mag
created_date: 2022-01-21 17:00:00
updated_by: skybber
updated_date: 2022-01-27 17:50:36.521693
---
the star has a guide star, which, with a magnitude of 9.9 at a distance of 142", can be seen with a telescope with a 6 cm diameter lens. He himself is still a close binary. The distance from the Earth is estimated to be 1800ly, so its luminosity is 33,000 times that of the Sun.