Stars

Various stars and double stars in our galaxy.
Albireo - colorful double star.
Albireo, a colorful double star in the constellation Cygnus. 30 sec exposure with the Canon T5i on the Celestron 11-inch.
Alcor and Mizar
25 second exposure of the blue stars Alcor (bottom) and Mizar (top). One can tell that Mizar is at least 2 stars. It is actually at least 4 stars. Alcor and…
Capella in Auriga
15 second exposure of the bright star Capella in the constellation Auriga. Taken with the Canon T5i on the 11-inch Celestron
Castor in Gemini
The star Castor in color. This is a sextuple star system. The orange star to the left contains two of the stars, while the other 4 stars (center) are too…
Castor - short exposure
A shorter exposure of Castor revealing the two main clumps of stars which are about 4 arcseconds apart. 1/30 second taken with the Canon T5i on the 11-inch…
Eta Cassiopeiae
Eta Cassiopeiae is a double star in the constellation Cassiopeia with a separation of 12 arcseconds. This binary star system is about 20 lightyears away from…
Iota Cancri - double star
Iota Cancri, a colorful double star in Cancer.
Canon T5i on Celestron C11.
Procyon - a bright star.
The star Procyon in Canis Minor. One of the brightest stars in the winter sky, but outshined by nearby Sirius in Canis Major. Stacked exposure taken with the…