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You are here: Home / Uncategorized / EYES TO THE SKY September 2 – 15, 2019

EYES TO THE SKY September 2 – 15, 2019

September 4, 2019 By

EYES TO THE SKY 
September 2 – 15, 2019
Seasonal change written all over the sky
As September begins, it seems abrupt that the dark of night comes early, the light of day comes late and a new chill in the air reverses embedded routines for how to respond to summer heat. All the while, when looking up to the universe of familiar stars and star patterns, sky watchers respond to the age-old markers of the passage of the year. The progress of the seasons is written all over the sky.

At nightfall the Great Square of Pegasus, harbinger of autumn, is sketched on the heavens above the eastern skyline. It is a star pattern, or asterism, shaped by four nearly equally spaced stars, three from the constellation Pegasus and one from Andromeda. The Great Square may be difficult to see with the naked eye in light polluted skies, however, the celestial lights that follow are yours to enjoy, city or countryside.

Summer, seen in the figure of the huge Summer Triangle, is found high above the Great Square in a southerly direction. The Summer Triangle, an asterism composed of the brightest stars of three summer constellations, climbed above the east-northeast horizon as darkness fell in June, close to the summer solstice, just as the Great Square precedes the autumnal equinox.

My springtime muse, distant sun Arcturus, appears in the chill of March nights around the time of the vernal equinox. Prominent as the brightest star in the summer sky,

Arcturus is now rather low in the west as darkness falls. Scan to the left of twinkling, golden Arcturus to gaze at brilliant planet Jupiter. Spot Arcturus nearing the western skyline through October. Winter stars and constellations are now rising before dawn.Click here
The Full Harvest Moon rises in the east-southeast at 7:21pm on the 13th. The autumnal equinox occurs on Monday, September 23.
Judy Isacoff
naturesturn.org
(Visited 111 times, 1 visits today)

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