Albireo The Cygnus Beautiful Double Stars

Albireo is the fifth brightest star in the constellation Cygnus, located at the tail of Cygnus “the Swan”.
i think, observing Albireo can make interesting experience in stargazing hobbies or for education because Albireo is unique star.
every beginner or enthusiast in Astronomy or Stargazing, maybe can make this project for first interesting activity.
the constellation of Cygnus best seen in June through November evening sky.
please see sky maps for details.

When viewed with the naked eye, Albireo appears to be a single star but Albireo can easy split with small Telescope with moderate power, and the color contrast is noticeably.
Albireo consist of two stars with orange and blue-green in colors. Albireo is made up of a giant orange orbited by a hot blue star.
Star B lies at least 4,500 AU away from A and so it must take roughly 100,000 years to complete anorbit about it.
much too slow for us to actually observe any motion. The two stars lie 400 light years away from us.
the apparent magnitude of Albireo A is 3.1 and Albireo B is 5.1 Separated by 35 seconds of arc.
this is several tips to optained best visual of Albireo:
set the small Telescope for low to medium power, The colors stand out best at low to medium magnification.
A little bit of sky brightness (twilight,or a Full Moon) can actually help your eye to appreciate the colors.
Some observers like to look at these stars very slightly out of focus to emphasize the colors.

you can also visit my another articles:

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