Albireo double star Click on photo to return to 'Open Clusters and Star fields' Home
Albireo The Scout Double
SAO 87301 Flamsteed-Bayer: 6-Beta1 Cygni Spectral: K3II+...Hipparcos Catalog
Proper motion (mas/yr): RA = -7.09, Dec = -5.63 Magnitudes Bt: 4.478, Vt: 3.200
Distance: 385.53 light-years, 24381226.45 astronomical units. Parallax: 8.460 mas, 118.2033 pc
RA: 19h 30m 43.281s Dec: +27°57'34.852" (Epoch 2000) Azm: 83°09'51" Alt: +38°40'54"
Rise: 22:30 Transit: 06:20 Set: 14:06
I am really struck with the visual color difference of these two stars. These colors can be seen with a moderate size telescope, 8 inch or larger and even in smaller ones.
The blue star is 35 arc seconds away from Albireo in the sky. The blue star is magnitude 5.12 & Albireo is 3.05 making a very interesting visual double star.
16" F/4.87 Newtonian ST-8XE, CFW8 9/18/06 Temp. = -13 C
Processing: MaxIm; align, color combine, CCDStack processing