Some Beautiful Binary Stars

#StarMonthMag.Sep.P.A.ColorsRemarks
1b CygSep3/3.534.3²54°Gold/sapphireAlthough only optical, a most spectacular sight; use low power
2o DraSep4.5/7.534.2²326°Orange/bluePossibly optical; a real beauty
3h3945 CMaFeb4.8/6.826.6²55°Gold/blueOne of winter's best !
4a CVnMay2.7/5.419.4²229°Yellow/blueThe famous "Cor Caroli"
5S872 AurJan6/711.3²217°Gold/blueBest seen in 15-cm (6-inch) scopes or larger
6g AndNov2.3/5.09.8²64°Gold/blueFinest Autumn binary
7x BooJune4.8/6.76.6²318°Yellow/redOne of the closest binary (22 l.y.)
899 HerJuly5/56.3²258°Green/redWide disagreement on colors
9a HerJuly3/5.54.6²104°Red/greenPrimary is a variable, possibly affecting your view of companion
106 TriNov5/6.63.9²71°Yellow/blueStunning; best seen in medium to large telescopes
1170 OphJuly4.3/6.33.8²147°Yellow/redBoth are dwarfs; rapid period of nearly 88 years

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By Moh'd Odeh. Jordanian Astronomical Society (JAS), All Rights Reserved. This material may not be reproduced in any form without permission. For more information Send E-mail or contact us at : The Jordanian Astronomical Society (JAS), P.O.Box 141568, Amman 11814 Jordan