Skywatch Line Archive

Skywatch Line for Monday and Tuesday, August 3rd and 4th, 2020

This is the Skywatch Line for Monday and Tuesday, August 3rd and 4th, written by Joe Slomka. The Sun sets at 8:13 PM; night falls at 10:07. Dawn begins at 3:56 AM and ends with the Sun rising at 5:51. The Moon turned officially “Full” at Monday’s Noon. The Full Sturgeon Moon occupies Capricornus and sets at 6:30 AM, Tuesday. Tuesday’s slightly slimmer Moon inhabits Aquarius, rising at 9:13 PM and setting at 7:37 AM, Wednesday. Comet NEOWISE is still visible in our skies. On both nights, it is located near the edge of the constellation Coma Berenices, near NGC… Continue reading

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Skywatch Line for Friday, July 31, through Sunday, August 2, 2020

This is Dudley Observatory’s Skywatch Line for Friday, July 31, through Sunday, August 2, written by Sam Salem. On Friday, Sun rises at 5:46am and sets at 8:16pm; Moon sets at 2:30am and rises at 6:19pm. The waxing gibbous Moon shines just over the Sagittarius Teapot on Friday evening. On Saturday evening, the nearly full Moon forms a triangle with Jupiter and Saturn. Shortly before dusk, the Moon, Jupiter, and Saturn will rise together over the southeastern horizon, with the Moon positioned directly below bright Jupiter. The Moon and Jupiter will fit into the field of view of binoculars. As… Continue reading

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Skywatch Line for Wednesday, July 29th, and Thursday, July 30th, 2020

This is the Dudley Observatory Skywatch Line for Wednesday, July 29th, and Thursday, July 30th, written by Louis Suarato. The 74% illuminated, waxing Gibbous Moon rises at 4:07 p.m., Wednesday. Look for Scorpius’ brightest star, Antares, 6 degrees below the Moon. Antares, also known as Alpha Scorpii, means “rival of Mars” because of its reddish hue. This red supergiant is a variable star, which on average is the 15th brightest star in the sky, and one of the largest visible to the naked eye. Antares is estimated to be 12 times the size of the Sun. Antares is about 11… Continue reading

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Skywatch Line for Monday and Tuesday, July 27th and 28th, 2020

This is the Skywatch Line for Monday and Tuesday, July 27th and 28th, written by Joe Slomka. The Sun sets at 8:21 PM; night falls at 10:20. Dawn begins at 3:44 AM and ends with the Sun rising at 5:43. Monday’s Moon is at First Quarter, rising at 1:39 PM in Libra, appearing 56% illuminated and setting at 12:33 AM, Tuesday. Tuesday’s Moon rises at 2:53 PM also in Libra, 67% lit and setting at 1:06 AM, Wednesday. Comet NEOWISE is rapidly exiting our neighborhood; the comet is fading from 3rd magnitude to 4th. At 10 PM on both nights,… Continue reading

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Skywatch Line for Friday, July 24, through Sunday, July 26, 2020

This is Dudley Observatory’s Skywatch Line for Friday, July 24, through Sunday, July 26, written by Sam Salem. On Friday, Sun rises at 5:39am and sets at 8:24pm; Moon rises at 9:59am and sets at 11:09pm. Comet C/2020 F3 NEOWISE will continue to be visible after sunset this weekend. It’s beginning to diminish in brightness, but you can still see it with your unaided eyes if you have a clear dark sky. The easy way to find the comet in evening is to look for the bright stars Dubhe and Merak high in the northwestern sky. They mark the bottom… Continue reading

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Skywatch Line for Wednesday, July 22nd, and Thursday, July 23rd, 2020

This is the Dudley Observatory Skywatch Line for Wednesday, July 22nd, and Thursday, July 23rd, written by Louis Suarato. The 7% illuminated, waxing crescent Moon sets at 10:07 p.m. Wednesday, in the constellation Leo. While the Moon is setting, Jupiter and Saturn will be rising over the southeastern horizon in the constellation Sagittarius. The two gas giants will be separated by 6 degrees. Saturn and Jupiter have recently reached opposition and are in an ideal situation for viewing as they remain in the sky the entire night. Mars joins Jupiter and Saturn when it rises at 11:36 p.m. in Pisces.… Continue reading

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Skywatch Line for Monday and Tuesday, July 20th and 21st, 2020

This is the Skywatch Line for Monday and Tuesday, July 20th and 21st, written by Joe Slomka. The Sun sets at 8:27 PM; night falls at 10:31. Dawn begins at 3:33 AM and ends with the Sun rising at 5:37. Monday’s Moon is “New,” which means that it is not visible. Tuesday’s one-day-old Moon rises during daytime and sets at 9:32 PM. Last week, Jupiter reached Opposition, when it is best for observation. It shares Sagittarius with Saturn and Pluto. Jupiter rises at 12:34 AM, glares with minus 2nd magnitude, appears 47 arc-seconds in size, and sets around sunrise. Monday,… Continue reading

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Dudley Observatory’s Skywatch Line for Friday, July 17, through Sunday, July 19, 2020

This is Dudley Observatory’s Skywatch Line for Friday, July 17, through Sunday, July 19, written by Sam Salem. On Friday, Sun rises at 5:33am and sets at 8:30pm; Moon rises at 2:38am and sets at 6:02pm. In the eastern pre-dawn sky on Friday, the waning crescent Moon will be positioned less than three finger widths to the upper of the bright planet Venus. Both objects will appear together in binoculars until sunrise. In a telescope, Venus will show a crescent phase similar to the Moon’s. For a short period before dawn on Sunday, if you have a clear view of… Continue reading

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Skywatch Line for Wednesday, July 15th, and Thursday, July 16th, 2020

This is the Dudley Observatory Skywatch Line for Wednesday, July 15th, and Thursday, July 16th, written by Louis Suarato. The 23% illuminated, waning crescent Moon sets at 3:55 p.m. Wednesday. Jupiter rises in the constellation Sagittarius at 8:17 p.m., followed by Saturn 23 minutes later. A new feature has been discovered on Jupiter. On May31st of this year, amateur astronomer Clyde Foster viewed a new spot using a filter on his telescope that is sensitive to wavelengths of light where methane gas can be seen in Jupiter’s atmosphere. “Clyde’s Spot” was verified by the Juno spacecraft two days later when… Continue reading

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Skywatch Line for Monday and Tuesday, July 13th and 14th, 2020

This is the Skywatch Line for Monday and Tuesday, July 13th and 14th, written by Joe Slomka. The Sun sets at 8:32 PM; night falls at 10:41. Dawn begins at 3:22 AM and ends with the Sun rising at 5:50. Monday’s Moon rises before Dawn and sets in the afternoon. Tuesday, the 38% illuminated Moon rises in Cetus at 1:10 AM and sets at 2:53 PM. Wednesday, the 29% lit Moon rises in Aries at 1:35 AM and sets at 3:55 PM. The constellation Sagittarius houses Jupiter, Saturn and Pluto. Jupiter rises first at 8:29 PM, glares with minus 2.6… Continue reading

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