9 lines
439 B
Markdown
9 lines
439 B
Markdown
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name: Sadr (γ Cygni)
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constellation: Cyg
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created_by: 8mag
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created_date: 2022-01-21 17:00:00
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updated_by: skybber
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updated_date: 2022-01-27 17:50:36.521693
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---
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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. |