Albireo (Beta [β] Cygni)

Posted by ayiomamitis
on Sunday, December 13, 2009

by Anthony Ayiomamitis

 

Perhaps the most impressive and well-known binary system involves Albireo (beta Cyg) in Cygnus which shines at mag 3.4 and whose close binary member with contrasting colour shines at mag 5.12. The former has a luminosity 670 times that of the Sun and is approximately 386 light-years away. Technical Details: Date: Nov 21, 2009 @ 18:45 - 18:55 UT+2 Location: Athens, Greece (38.2997° N, 23.7430° E) Equipment: AP 160/f7.5 Starfire EDF, AP 1200GTO GEM, SBIG ST-2000XM, SBIG CFW-8A, SBIG LRGB + IR-block Integrations: LRGB @ 10:10:10:10 using 1-/2-min subs, Binning: 1x1, Image Scale: 1.27" per pixel, +0.0° C Further Details: http://www.perseus.gr/Astro-Star-Brightest-Cyg-Beta.htm
Tags: Star
Comments
To leave a comment you must be a member of our community.
Login to your account now, or register for an account to start participating.
No one has commented yet.
Join our Community!

Our community is FREE to join. To participate you must either login or register for an account.

ADVERTISEMENT
FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

ADVERTISEMENT
ADVERTISEMENT
Find us on Facebook