Stargazing News - August 18th, 2025
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All on Sun Aug 17 07:22:55 2025
Monday August 18, 2025
Bright Clusters for Binoculars (evening)
The evenings surrounding Monday, August 18 will be a fine time to grab your binoculars and view three large open star clusters that occupy the
southwestern sky between the bright stars Altair and Cebalrai. The Summer Beehive Cluster aka IC 4665 is a loose collection of stars centered just a finger's width above (or 1 degree northeast of) Cebalrai. Watch for several reddish stars among its majority white population, which is spread across an area more than twice the diameter of the moon. Next, aim your binoculars
midway between Cebalrai and Altair and look for two patches of stars sharing the same binoculars field of view. The smaller, but brighter Tweedledum
Cluster (or NGC 6633) is centered several finger widths to the upper right (or celestial northwest) of the larger, but fainter Graff's Cluster (or IC 4756). It's fun to count each cluster's stars and note the various star colors and
the patterns that the stars are arranged in.
(Data courtesy of Starry Night)
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