Webb Deep-Sky Society: Double Star of the Month in Bootes
Asellus Tertius (κ Boötis) | Facts, Formation, Distance, Size & Mass
Seeing double (and triple) in the spring sky – Astronomy Now
Observing the sky at 30°S
κ2 Boötis (kappa2 Boötis) - Star in Boötes | TheSkyLive.com
Astronomical League Double Star Observing Log
Seeing double (and triple) in the spring sky – Astronomy Now
Kappa Boötis (Asellus Tertius): A Double Star of White and Deep Blue in Boötes – The Garden Astronomer
Kappa Boötis - Wikipedia
NCKAS -Double Stars
Springtime Double Stars in Boӧtes | SkyNews
Bootes | Star-Splitters
Boötes Constellation - Herdsman in the Sky | Astronomer's Guide
The multiple alpha Geminorum, "Castor" (32 x 33 msec). The inset shows... | Download Scientific Diagram
Kappa Bootis
Webb Deep-Sky Society: Double Star of the Month in Bootes
Kappa Boötis - Wikipedia
Kappa Boötis (Struve 1821) - Belt of Venus
See Double Stars in the Night Sky: A 'Starhopping' Guide | Space
A Selection of Double Stars in Boötes
Double and Multiple Star Measurements in the Northern Sky with a 10” Newtonian and a Fast CCD Camera in 2006 through 2009
DOUBLE YOUR PLEASURE" Rich's Double Star Sketches - Page 102 - Double Star Observing - Cloudy Nights
Kappa Bootis star hop
The three Asellus Stars in Bootes ( Michael Kraus ) - AstroBin
Webb Deep-Sky Society: Double Star of the Month in Bootes
Bootes | Star-Splitters
