100 Herculis is a close binary star of two equally bright stars like diamonds on black velvet. The binary lies in the constellation Hercules and is enjoyed on summer nights. Also known as SAO 85752, 100 Her, HDF 166046, STF 2280.
Category Archives: Double/Multiple Stars
Algieba (Gamma Leonis): A Pretty Double Star with a Planet in Leo
Algieba is an exceptional double star, which would easily be placed in a list of TOP 10 double stars visible to backyard astronomers.
Izar (Epsilon Boötis): A Bit of Science Fiction and Loveliness
The binary star named Izar, also known as Epsilon Boötis, is located in the constellation Boötes and is best viewed in late spring. It takes a decent telescope and clear skies to split this double, but the effort pays off!
54 Leonis: An Attractive Double with an Aquamarine Star
54 Leonis is a double star with an exceptionally pretty secondary star, which is aquamarine in color. Some observers describe it as icy blue. Either way, it’s an awesome double to see in Leo.
Zeta Coronae Borealis: A Double Once Referred to as Smalt Blue
In August 1831, astronomer Admiral Smyth described the color of this double star as “smalt blue” — an intriguing description for pale blue stars. Regardless of various accounts of their color, the pair make for a pretty pair of late spring in Corona Borealis.
1 Camelopardalis: A White and Sapphire Blue Double Dances Around the Celestial Pole
1 Camelopardalis, also known as DL Cam, is a double and variable star in the constellation Camelopardalis and is viewable much of the year as it circles close to the North Star. The blue-white pair are fairly tight together at 10 arcseconds apart. They are also known as Struve 550 (STF 550), SAO 24670, HIP 21148
Psi1 Piscium: An Easy-To-Split Binary in Pisces
Psi1 is a wide, optical binary star with blue-white colors.
65 Piscium: A Splendid Citrine Binary in Pisces
This close binary star is considered the best in Pisces for its equal brightness and attractive yellow color.
The Garden Astronomer 