astrophotography by bill w
Astrophotography
Sunday, September 21, 2014
saturn overview
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Saturn 6th planet from the sun, second largest after jupiter a gas giant it has a slight yellowish color due to ammonia in the upper atm...
Saturday, September 6, 2014
M 24, it's full of stars
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"my God it's full of stars" -Dave Bowman's final words prior to entering the monolith in 2001: a space odyssey. contrar...
Thursday, September 4, 2014
Delta Aquilae is 50 light years away
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Aquila, the eagle, is a summer constellation. It can be found here in the summer evenings section: It’s brightest star, alpha aquil...
Wednesday, August 20, 2014
Leo Galaxy Cluster aka Abell 1367: Part 3 quasars and cosomology
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Caught a number of background quasars in the field of Abell 1367. quasars (quasi-stellar radio sources) look like faint blue stars but t...
Saturday, August 16, 2014
Leo Galaxy Cluster aka Abell 1367: Part 2 Red Shift
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when distances get very large, astronomers measure the "red shift" of light to determine distances: more distant objects are ...
Wednesday, August 13, 2014
Leo Galaxy Cluster aka Abell 1367: Part 1 Deep Sky
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factoid: Abell 1367 has more galaxies brighter than mag 14 than any other galaxy cluster the term "deep sky objects" is used by ...
Saturday, July 26, 2014
filaprom
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a solar prominence is typically a structure seen on the edge of the sun against the black background of space. it often looks like an ar...
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