Skywatch Line Archive

Skywatch Line for Monday and Tuesday December 5th, and 6th, 2022

This is the Dudley Observatory’s Skywatch Line for Monday and Tuesday December 5th, and 6th, written by Joe Slomka. The Sun sets at 4:22 PM; night falls at 6:03. Dawn begins at 5:30 AM and ends with the Sun rising at 7:11. Monday’s eastern waxing Moon, in Aries, set at 4:33 AM, rises at 2:49 PM, 96% illuminated, 30 arc-minutes in size, highest at 10:10 PM and sets at 5:41 AM, Tuesday. Tuesday’s Moon, now in Taurus, rises at 3:17 PM, same size but now 99% lit, highest at 10:58 PM and sets at 6:48 AM, Wednesday, where it becomes… Continue reading

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Skywatch Line for Friday, December 2, through Sunday, December 4, 2022

This is Dudley Observatory’s Skywatch Line for Friday, December 2, through Sunday, December 4, written by Sam Salem. On Friday, Sun rises at 7:07am and sets at 4:22pm; Moon sets at 1:08am and rises at 1:42pm. The Sun already seem to be setting about as early as it ever will. For our area, the Sun sets its earliest around December 7th. The offset of the earliest sunset from the solstice date is balanced out by the opposite happening at sunrise: The Sun doesn’t come up its latest until around January 4th. All this is due to the tilt of Earth’s… Continue reading

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Skywatch Line for Wednesday and Thursday, November 30 and December 1, 2022

This is Dudley Observatory’s Skywatch Line for Wednesday and Thursday, November 30 and December 1, written by Alan French. The Sun rises at 7:05 A.M. on Wednesday and sets at 4:23 P.M. On Thursday it rises at 7:06 and sets at 4:22. This Thursday has 11 minutes less daylight than last Thursday. The Sun continues to move south and pass lower across our sky. The Moon was new last Thursday afternoon and reaches first quarter Wednesday morning. As night falls on Wednesday a 53% illuminated Moon will be toward the south southeast. The Moon will be due south and highest,… Continue reading

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Skywatch Line for Monday and Tuesday November 28th, and 29th, 2022

This is the Dudley Observatory’s Skywatch Line for Monday and Tuesday November 28th, and 29th, written by Joe Slomka. The Sun sets at 4:24 PM; night falls at 6:04. Dawn begins at 5:58 AM and ends with the Sun rising at 7:04. Capricornus houses the waxing Moon on both nights. Monday’s southwestern Moon rises at 11:57 AM, 32 arc-minutes in size, 32% illuminated and sets at 9:26 PM. Tuesday’s northeastern Moon rises at 12:31 PM, same size, 38% lit and sets at 10:43 PM. Monday’s Moon lies 6 degrees below Saturn. Try to observe them before they are too low;… Continue reading

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Skywatch Line for Friday, November 25, through Sunday, November 27, 2022

This is Dudley Observatory’s Skywatch Line for Friday, November 25, through Sunday, November 27, written by Sam Salem. On Friday, Sun rises at 6:59am and sets at 4:25pm; Moon rises at 9:11am and sets at 5:44pm. On Friday and Saturday evenings locate the very young waxing crescent Moon visiting the Teapot of Sagittarius the Archer. While the Teapot is quickly sinking more each day, it is still noticeable in a dark sky. The best time to look is about 30 to 40 minutes after sunset. The darkened side of the thin crescent Moon will be glowing with earthshine. On Friday,… Continue reading

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Skywatch Line for Wednesday and Thursday, November 23 and 24, 2022

This is Dudley Observatory’s Skywatch Line for Wednesday and Thursday, November 23 and 24, written by Alan French. The Sun rises at 6:57 A.M. on Wednesday and sets at 4:26 P.M. On Thursday it rises at 6:58 and sets at 4:25. This Thursday has 13 ½ minutes less daylight than last Thursday. As the Sun continues to move south our days continue to grow shorter, but at a slower rate. We still have another 25 ½ minutes to lose before the days start getting longer again. The Moon reaches new late Thursday afternoon so the night sky is moonless and… Continue reading

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Skywatch Line for Monday and Tuesday November 21st, and 22nd, 2022

This is the Dudley Observatory’s Skywatch Line for Monday and Tuesday November 21st, and 22nd, written by Joe Slomka. Monday’s Sun sets at 4:28 PM; night falls at 6:07. Tuesday, Dawn breaks at 5:17 AM and ends with the Sun rising at 6:56. Monday’s Moon rises, in Virgo, at 4:02 AM and sets at 3:09 PM. This is the Moon’s waning phase, so the Moon appears in the daytime sky in the northwest, 32 arc-minutes in size and 5% illuminated. Tuesday’s Moon, now in Libra, rises at 5:16 AM and sets at 3:36 PM and only 1% lit; the Moon… Continue reading

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Skywatch Line for Friday, November 18, through Sunday, November 20, 2022

This is Dudley Observatory’s Skywatch Line for Friday, November 18, through Sunday, November 20, written by Sam Salem. On Friday, Sun rises at 6:51am and sets at 4:30pm; Moon rises at 12:39am and sets at 2:06pm. The old waning crescent Moon can guide you to the bright star Spica on the mornings of Sunday and Monday. A good time to look is roughly an hour before sunrise. Catch the old crescent Moon by Spica before sunrise. Notice the glow of earthshine on the thin crescent Moon. The annual Leonids meteor shower, derived from material left by repeated passages of periodic… Continue reading

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Skywatch Line for Wednesday and Thursday, November 16 and 17, 2022

This is Dudley Observatory’s Skywatch Line for Wednesday and Thursday, November 16 and 17, written by Alan French. The Sun rises at 6:48 A.M. on Wednesday and sets at 4:31 P.M. On Thursday it rises at 6:50 and sets at 4:30. This Thursday has 15 ½ minutes less daylight than last Thursday. The Moon reaches third or last quarter Wednesday morning and rises late. Moonrise on Wednesday is at 11:35 P.M. It will rise in the east northeast and appear 43% illuminated. On Thursday the Moon will not rise until after midnight, making its appearance at 0:39 A.M. Friday morning… Continue reading

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Skywatch Line for Monday and Tuesday November 14th, and 15th, 2022

This is the Dudley Observatory’s Skywatch Line for Monday and Tuesday November 14th, and 15th, written by Joe Slomka. Monday’s Sun sets at 4:33 PM; night falls at 6:11. Tuesday, Dawn breaks at 5:09 AM and ends with the Sun rising at 6:47 AM. Monday’s waning Moon resides in northeastern Cancer, 64% illuminated, 29 arc minutes in size, rises at 9:26 PM and sets at 12:56 AM, Tuesday. Tuesday’s Last Quarter Moon rises in northeastern Leo at 10:30 PM, same size but 55% lit and sets at 1:22 PM on Wednesday. Monday’s Moon is at apogee – farthest from Earth.… Continue reading

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