A Selection of Double Stars in Boötes
κ2 Boötis (kappa2 Boötis) - Star in Boötes | TheSkyLive.com
The multiple alpha Geminorum, "Castor" (32 x 33 msec). The inset shows... | Download Scientific Diagram
Astronomical League Double Star Observing Log
Webb Deep-Sky Society: Double Star of the Month in Bootes
Seeing double (and triple) in the spring sky – Astronomy Now
Asellus Tertius (κ Boötis) | Facts, Formation, Distance, Size & Mass
Webb Deep-Sky Society: Double Star of the Month in Bootes
NCKAS -Double Stars
Seeing double (and triple) in the spring sky – Astronomy Now
Kappa Boötis - Wikipedia
Kappa Boötis - Wikipedia
Bootes | Star-Splitters
DOUBLE YOUR PLEASURE" Rich's Double Star Sketches - Page 102 - Double Star Observing - Cloudy Nights
The three Asellus Stars in Bootes ( Michael Kraus ) - AstroBin
Bootes | Star-Splitters
Double and Multiple Star Measurements in the Northern Sky with a 10” Newtonian and a Fast CCD Camera in 2006 through 2009
Webb Deep-Sky Society: Double Star of the Month in Bootes
Double and Multiple Star Measurements in the Northern Sky with a 10” Newtonian and a Fast CCD Camera in 2006 through 2009
Boötes Constellation - Herdsman in the Sky | Astronomer's Guide
Astronomical League Double Star Observing Log
Kappa Boötis (Struve 1821) - Belt of Venus
Kappa Boötis (Asellus Tertius): A Double Star of White and Deep Blue in Boötes – The Garden Astronomer
Boötes Constellation - Herdsman in the Sky | Astronomer's Guide
Springtime Double Stars in Boӧtes | SkyNews
Asellus Tertius (κ Boötis) | Facts, Formation, Distance, Size & Mass
