- The Chicago Astronomer -
Copyright 2004-2014 All rights reserved by Joseph Guzman Administrator/Founder/Chief Astronomer.
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Arcturus is a double star, in the constellation of Boötes. It is an orange giant star located about 36.71 light years. Arcturus is fourth brightest star, to include the Sun (Source: Stellarium and Wikipedia). Taken with afocal method and ISO 400. Image processed with RegiStax6 (6 pictures). Picture enlarged and cutting.
Cagua, State Aragua Venezuela (N 10° 11' 24.00" W 67° 27' 36.00").
Hour: 20:22 (00:52 UTC) ── 20:44 (01:14 UTC)
Telescope reflector aperture 114mm (4.5"), focal length 900mm and eyepiece (1.25") 13mm. Digital camera 10 megapixels and optical zoom 5X.
Post by Chicago Astronomer Joe on Jul 15, 2014 9:03:18 GMT -6
I enjoy displaying various stars for the fans of the Chicago Astronomer, not that we can observe a disk...but the various subtle colors that they exhibit......demonstrating and comparing older reddish stars to younger whiter suns.
Chicago Astronomer Joe Founder, Administrator and Chief Astronomer
Telescope/Observatory Docent Facilitator Adler Planetarium & Astronomy Museum
Astronomy Instructor Instituto Del Progresso/IHSCA
Astronomy Program Instructor British International School of Chicago /Lincoln Park Campus
Resident Astronomer Chicago Park District Nature Oasis/Night Out in the Parks/ 606 Trail