Look east after sunset (7 p.m.), one-third of the way up in the sky, and there is a small fuzzy patch. Look closer, and you see that it is a small cluster of stars. Binoculars will reveal their beauty. They are the Pleiades, or Seven Sisters (or in Japanese they are called Subaru).

Open clusters are young groups of stars only a few millions of years old in the plane of our Milky Way galaxy. They formed together from the same dust cloud and are thousands of stars slowly drifting apart.

The Pleiades are visible to your eyes because they are quite close compared to many of the stars we see. They are located in the constellation of Taurus, the bull.

Come see the splendor of the Pleiades and other celestial wonders in our Takahashi refractor telescope on the first Friday of each month from sunset to 10 p.m.: humbleisd.net/observatory.

By Dr. Aaron B. Clevenson
Observatory Director, Insperity Observatory

Aaron Clevenson
Author: Aaron ClevensonEmail: This email address is being protected from spambots. You need JavaScript enabled to view it.
I am the observatory director at the Insperity Observatory in Humble ISD. I am also an adjunct astronomy professor at Lone Star College-Montgomery where I teach solar system astronomy and stars and galaxies astronomy. I am the author of the astronomy textbook, “Astronomy for Mere Mortals.” I am a past president of the North Houston Astronomy Club, and was the chair of Astronomy Day in Southeast Texas in 2015 and 2016. He is an observing program director with The Astronomical League, coordinates their Master Observer Progression Awards, and has authored six of their observing programs.

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