czsky/en/star/hr2564.md

443 B

name constellation created_by created_date updated_by updated_date
38 Gem Gem 8mag 2022-01-21 17:00:00 skybber 2022-02-06 11:15:20.840611

The companions have a brightness of 4.7mag and 7.7mag and orbit each other once every 3,190 years or so. At the turn of the century, they were about 7.1" apart, which makes the components comfortably separated with a telescope with an 8 cm diameter lens. One is yellow, the other light blue.