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Arcturus - The Guardian of the Bear, o0O-PLaCiD-O0o

Arcturus - The Guardian of the Bear

Arcturus - The Guardian of the Bear, o0O-PLaCiD-O0o

Arcturus - The Guardian of the Bear

Description

Arcturus - The Guardian of the Bear

Arcturus is the brightest star in the northern celestial hemisphere, with a visual magnitude of -0.04. It is also relatively close to Earth, at "only" 36.7 light years distance. And, although Arcturus is about 110 times as luminous (in visible wavelengths) than our own Sun, the 2 stars are relatively the same size.

WO GTF81 | Canon 600D unmodified | AstroTrac TT320X-AG

32 x 33 seconds at ISO 800, with 20 darks

Stacked in DSS, processed in PS CS5

Comments

Histogram

Arcturus - The Guardian of the Bear, o0O-PLaCiD-O0o