Skywatch Line Archive

Skywatch Line for Wednesday, December 11th, and Thursday, December 12th, 2019

This is the Dudley Observatory Skywatch Line for Wednesday, December 11th, and Thursday, December 12th, written by Louis Suarato. The nearly full Moon rises at 4:05 p.m., Wednesday. The Moon won’t reach its Full phase and be 100% illuminated until 12 minutes past midnight. If you look low over the southwestern horizon about an hour after sunset, you’ll see Venus and Saturn separated by 2 degrees. Venus will be the much brighter of the two planets, shining at magnitude -3.90 to Saturn’s left. Saturn’s magnitude is 0.58. Saturn sets at 6:30 p.m., followed by Venus a minute later. Venus is… Continue reading

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Skywatch Line for Monday, and Tuesday, December 9th and 10th, 2019

This is the Skywatch Line for Monday, and Tuesday, December 9th and 10th, written by Joe Slomka. The Sun sets at 4:21 PM; night falls at 6:03. Dawn begins at 5:33 AM and ends with the Sun rising at 7:15. Monday’s 13-day-old Moon rises in Aries at 3:02 PM and sets at 5:21 AM, Tuesday. Tuesday, the Moon, in Taurus, rises at 3:33 PM and sets at 6:27 AM, Wednesday. Sagittarius houses three of the brightest planets, Jupiter, Saturn and Venus. Minus 1st magnitude Jupiter is nearing the end of its 2019 appearance. By nightfall, it is only 9° above… Continue reading

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Skywatch Line for Friday, December 6, through Sunday, December 8, 2019

This is Dudley Observatory’s Skywatch Line for Friday, December 6, through Sunday, December 8, written by Sam Salem. On Friday, Sun rises at 7:12am and sets at 4:22pm; the waxing gibbous Moon rises at 1:46pm and sets at 1:14am. The Moon shines lower left of the Great Square of Pegasus on Friday night. The date of earliest sunset depends on latitude, the farther north, the closer it occurs to the solstice. Earliest sunset of the year happens these days for our area (calculated at Schenectady latitude of 42.8 degrees N). The Sun sets at 4:22pm since December 2. It will… Continue reading

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Skywatch Line for Wednesday, December 4th, and Thursday, December 5th, 2019

This is the Dudley Observatory Skywatch Line for Wednesday, December 4th, and Thursday, December 5th, written by Louis Suarato. The Moon reaches its First Quarter phase at 1:58 a.m., Wednesday. Moonrise occurs at 1 p.m., and moonset is 14 minutes past midnight as a 65% illuminated, waxing gibbous Moon. Lunar apogee, when the Moon is farthest from Earth during this cycle, occurs at 11:08 p.m., Wednesday, when it will be 251,311 miles away. Saturn, Venus, and Jupiter span above the southwestern horizon at evening twilight. Jupiter will be the first to set at 5:33 p.m., followed by Venus at 6:14… Continue reading

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Skywatch Line for Monday and Tuesday, December 2nd and 3rd, 2019

This is the Skywatch Line for Monday and Tuesday, December second and third, written by Joe Slomka. The Sun sets at 4:22 PM; night falls at 6:03. Dawn begins at 5:27 AM and ends with the Sun rising at 7:08. Monday’s Moon, in Capricornus, rose after Noon, is highest at 5:08 PM sets at 10:13 PM and is 39% illuminated. Tuesday’s Moon, in Aquarius, appears 47% lit, is highest at 5:53 PM and sets at 11:14 PM. The Moon turns officially “First Quarter” Wednesday at 1:58 AM. Jupiter, Venus and Saturn, all in Sagittarius, continue to hug the western horizon.… Continue reading

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Skywatch Line for Friday, November 29, through Sunday, December 1, 2019

This is Dudley Observatory’s Skywatch Line for Friday, November 29, through Sunday, December 1, written by Sam Salem. On Friday, Sun rises at 7:04am and sets at 4:23pm; the waxing crescent Moon rises at 10:00am and sets at 7:13pm. The crescent Moon appears 2 degrees to Saturn’s left on Friday evening. The two stand some 15 degrees above the southwestern horizon, an hour after sunset. They make a pretty pair with the naked eye or through binoculars. Mercury reached its greatest elongation from the Sun on Thursday. The planet is 20 degrees west of the Sun, visible in the eastern… Continue reading

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Skywatch Line for Wednesday, November 27th, and Thursday, November 28th, 2019

This is the Dudley Observatory Skywatch Line for Wednesday, November 27th, and Thursday, November 28th, written by Louis Suarato. The 2% illuminated, waxing crescent Moon sets at 5:35 p.m., Wednesday. Look to the Moon’s upper left for Venus and Jupiter separated by 4 degrees. Venus will be the brighter of the two planets. Higher, and further south, shines Saturn in the constellation Sagittarius. Thanksgiving provides a photo opportunity of a fine conjunction of the Moon in proximity of the two planets, when the crescent Moon will be 2 degrees above Venus. The 6% illuminated, waxing crescent Moon will set at… Continue reading

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Skywatch Line for Monday, and Tuesday, November 25th and 26th, 2019

This is the Dudley Observatory Skywatch Line for Monday, and Tuesday, November 25th and 26th, written by Joe Slomka. The Sun sets at 4:32 PM; night falls at 6:25. Dawn begins at 5:19 AM and ends with Sunrise at 6:49. Monday’s Moon sets at 4:07 PM; Tuesday’s Moon sets at 4:45 PM and turns officially “New” at 10 AM. About 40 minus after Sunset, Venus and Jupiter lie close together and low to the southwestern horizon. On Tuesday’s Dusk, they are positioned 3° apart with Jupiter lowest. Venus, Jupiter and Saturn share the constellation Sagittarius. Venus and Jupiter set at… Continue reading

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Skywatch Line for Friday, November 22, through Sunday, November 24, 2019

This is Dudley Observatory’s Skywatch Line for Friday, November 22, through Sunday, November 24, written by Sam Salem. On Friday, Sun rises at 6:56am and sets at 4:27pm; the waning crescent Moon rises at 1:51am and sets at 2:35pm. The Moon reaches perigee, the closest point in its orbit around Earth, at 2:41am on Saturday. It then lies 227,867 miles away from Earth. Moon, Mars, and Mercury form large triangle in morning twilight on Sunday. On Saturday, Venus is 1.5 degrees lower left of Jupiter in evening twilight. Jupiter lies above Venus on Sunday night, Venus appears to the left… Continue reading

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Skywatch Line for Monday and Tuesday, November 18th and 19th, 2019

This is the Skywatch Line for Monday and Tuesday, November 18th and 19th, written by Joe Slomka. The Sun sets at 4:30 PM; night falls at 6:09. Dawn begins at 5:13 AM and ends with the Sun rising at 6:52. The waning Monday’s Moon rises in Taurus at 10:12 PM, is highest at 10:45 PM and sets at 1 PM Tuesday. Tuesday’s Last Quarter Moon rises in Leo at 11:24 PM and sets at 1:35 PM, Wednesday. Civil Twilight finds Jupiter and Venus still visible about 40 minutes after Sunset. Venus, in Ophiuchus, is lower on the southwest horizon and… Continue reading

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