Skywatch Line Archive

Skywatch Line for Friday, June 22 through Sunday, June 24, 2018

This is Dudley Observatory’s Skywatch Line for Friday, June 22 through Sunday, June 24, written by Sam Salem. On Friday, the Sun rises at 5:18am and sets at 8:38pm; the waxing gibbous Moon rises at 3:17pm and sets at 2:10am. On Saturday evening, the waxing gibbous Moon and Jupiter are separated by less than 4 degrees. On Sunday, the Moon shines near the three stars forming the head, or the crown, of the Scorpion in the constellation Scorpius, in the south-southeastern sky. Use the bright star Antares to guide you to the Crown of the Scorpion when the Moon drops… Continue reading

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Skywatch Line for Wednesday, June 20th, and Thursday, June 21st, 2018

This is the Dudley Observatory Skywatch Line for Wednesday, June 20th, and Thursday, June 21st, written by Louis Suarato. The First Quarter Moon occurs at 6:51 a..m. Wednesday. The Moon rises at 1:02 p.m., and will remain visible until setting at 1:38 a.m., Thursday. Look for Mercury low in the northwest before it sets at 9:40 p.m. with the constellation Gemini. Venus shines at magnitude -4.02 to Mercury’s upper left in Cancer. Venus and M44, the Beehive Cluster, are 1 degree apart. Find Jupiter by starting at the Moon and heading south toward Virgo’s brightest star, Spica, and another 20… Continue reading

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Skywatch Line for Monday and Tuesday, June 18th and 19th, 2018

This is the Skywatch Line for Monday and Tuesday, June 18th and 19th. The Sun sets at 8:36 PM; night falls at 10:53. Dawn begins at 3 AM and ends with the Sun rising at 5:16. The 6-day-old Moon dominates the evening sky. Blazing with minus 9th magnitude, the 35% crescent occupies Leo. Tuesday’s Moon is brighter and fuller and migrates to Virgo. The Moon sets at 12:39 AM on Tuesday, and at 1:12 AM on Wednesday. The Moon is officially First Quarter at 6:51 AM on Wednesday. Mercury makes its appearance, a low 1º in the western sky. It… Continue reading

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Skywatch Line for Friday, June 15 through Sunday, June 17, 2018

This is Dudley Observatory’s Skywatch Line for Friday, June 15 through Sunday, June 17, written by Sam Salem. On Friday, the Sun rises at 5:17am and sets at 8:36pm; the waxing crescent Moon rises at 7:15am and sets at 10:31pm. On Friday at dusk look to the west to catch the very thin crescent Moon sitting below and to the right of Venus. On Saturday after sunset the crescent Moon is positioned to the left of Venus. On Sunday the Moon approaches Regulus, the brightest star in constellation Leo. This weekend, look east for the sparkling blue-white star Vega, the… Continue reading

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Skywatch Line for Wednesday, June 13th, and Thursday, June 14th, 2018

This is the Dudley Observatory Skywatch Line for Wednesday, June 13th, and Thursday, June 14th, written by Louis Suarato. The New Moon occurs at 3:43 p.m. Wednesday, leaving the night sky darker for your observing. Venus sets at 11:06 p.m. and is bright enough to see at twilight as it heads toward the west-northwestern horizon after sunset. Look about 8 degrees to the upper left of Venus for M44, also known as the Beehive Cluster. This open star cluster, consisting of about 1,000 stars,resides in the dim constellation Cancer. At the distance of 520 to 610 light-years, the Beehive Cluster… Continue reading

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Skywatch Line for Monday and Tuesday, June 11th and 12th, 2018

This is the Skywatch Line for Monday and Tuesday, June 11th and 12th. The Sun sets at 8:34 PM; night falls at 10:49. Dawn begins at 3 AM and ends with the Sun rising at 5:16. The early evening sky contains two planets. Venus, in Gemini, blazes with minus 4th magnitude, appears 76% illuminated and lies about 20º above the western horizon. One can enjoy Venus either through binoculars or a telescope. Telescopes provide more detailed views of its crescent. When the observer is finished looking at Venus, he can scan about 8º to Venus’ left to see the Beehive… Continue reading

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Skywatch Line for Friday, June 8 through Sunday, June 10, 2018

This is Dudley Observatory’s Skywatch Line for Friday, June 8 through Sunday, June 10, written by Sam Salem. On Friday, the Sun rises at 5:17am and sets at 8:33pm; the waning crescent Moon rises at 2:50am and sets at 3:42pm. Venus, at magnitude –4.0, begins its slow descent sunward. It will remain the “evening star” until the end of September. On Friday evening at dusk, Venus and Pollux, the brightest star of constellation Gemini, are separated by a bit less than 5 degrees. Venus makes a line with the Gemini brightest stars, Castor and Pollux, to right of Venus in… Continue reading

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Skywatch Line for Wednesday, June 6th, and Thursday, June 7th, 2018

This is the Dudley Observatory Skywatch Line for Wednesday, June 6th, and Thursday, June 7th, written by Louis Suarato. Wednesday evening begins with Venus cradled in the arms of Gemini above the western horizon. The bright star to the upper right of Venus is Pollux. Pollux is the brightest star in Gemini,shining at magnitude 1.15. It is also the closest giant star to our Sun, located about 34 light-years away. Pollux’s radius is nine times larger than the Sun’s. To the right of Pollux, is the “head” of Pollux’s dimmer brother, Castor. Castor is a double-star shining at magnitude 1.90.… Continue reading

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Skywatch Line for Monday and Tuesday, June 4th and 5th, 2018

This is the Skywatch Line for Monday and Tuesday, June 4th and 5th. The Sun sets at 8:30 PM; night falls at 10:42. Dawn begins at 3:05 AM and ends with the Sun rising at 5:18. The early evening sky contains only two bright planets. Venus, in Gemini, blazes with minus 4th magnitude and hangs 20º above the western horizon. It appears about 80% lit and sets at 11:08 PM. It is found 5º left of the star Pollux. Jupiter, in Libra, clings close to the bright star Alpha Librae, also called Zubenelgenubi, shines with minus 2nd magnitude and appears… Continue reading

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Skywatch Line for Friday, June 1 through Sunday, June 3, 2018

This is Dudley Observatory’s Skywatch Line for Friday, June 1 through Sunday, June 3, written by Sam Salem. On Friday, the Sun rises at 5:20am and sets at 8:28pm; the waning gibbous Moon rises at 11:03pm and sets at 7:50am. See the Moon near Saturn, and Mars to the east of the Moon and Saturn on Fridaymorning before daybreak. Look for the Moon to change its position from day to day as it moves in between Mars and Saturn before daybreak on Saturday, and moves up with Mars on Sunday morning. The predawn hours present a better view of the… Continue reading

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