Skywatch Line Archive

Skywatch Line for Monday and Tuesday, 25th and 26th, 2020

This is the Skywatch Line for Monday and Tuesday, 25th and 26th, written by Joe Slomka. The Sun sets at 8:21 PM; night falls at 10:28. Dawn begins at 3:16 AM and ends with the Sun rising at 5:23. The Moon occupies Gemini on both nights. Monday’s 3-day-old Moon is moderately low in the western sky, shines with minus 9th magnitude, 11 percent illuminated and sets at 11:22 PM. Tuesday’s Moon is a bit higher, larger, 18% lit and sets at 12:12 AM on Wednesday. Note that on Monday, the Moon rested between Gemini’s legs and on Tuesday will be… Continue reading

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Skywatch Line for Friday, May 22, through Sunday, May 24, 2020

This is Dudley Observatory’s Skywatch Line for Friday, May 22, through Sunday, May 24, written by Sam Salem. On Friday, Sun rises at 5:26am and sets at 8:19pm, the waxing crescent Moon rises at 5:33am and sets at 8:21pm. New Moon occurs on Friday at 1:39pm. On Saturday, catch the super-thin crescent Moon, hardly more than a day old very low below Venus and Mercury while twilight is still bright. The waxing crescent Moon will join Mercury and Venus in the west-northwestern sky after sunset on Sunday. Look for the Moon’s slim crescent sitting a fist’s width to the upper… Continue reading

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Skywatch Line for Wednesday, May 20th, and Thursday, May 21st, 2020

This is the Dudley Observatory Skywatch Line for Wednesday, May 20th, and Thursday, May 21st, written by Louis Suarato. The 3% illuminated, waning crescent Moon sets at 6:12 p.m. Wednesday. The Moon rises as a thinner crescent at 5:03 Thursday morning. Mercury and Venus shine 2 degrees apart over the west-northwestern horizon after sunset. Mercury is on the far side of the Sun, while Venus is on the side closer to Earth, making Mercury 3.5 times more distant. Venus is the much brighter of the two innermost planets, shining at -4.7 magnitude, and 6.4% illuminated. Jupiter rises at 11 minutes… Continue reading

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Skywatch Line for Monday and Tuesday, May 18th and 19th, 2020

This is the Skywatch Line for Monday and Tuesday, May 18th and 19th, written by Joe Slomka. The Sun sets at 8:15 PM; night falls at 10:17. Dawn begins at 3:25 AM and ends with the Sun rising at 5:29. The Moon is not seen on both nights. Tuesday’s 26-day-old Moon rises at 4:17 AM, is 10% illuminated, 6° high and sets at 5:15 PM. Wednesday’ Moon rises at 4:40 AM, is 6% lit and sets at 6:16 PM. Two evening planets share Taurus. Venus is the brightest planet in the sky. It blazes with minus 4th magnitude, appears as… Continue reading

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Skywatch Line for Friday, May 15, through Sunday, May 17, 2020

This is Dudley Observatory’s Skywatch Line for Friday, May 15, through Sunday, May 17, written by Sam Salem. On Friday, Sun rises at 5:32am and sets at 8:12pm, the waning crescent Moon rises at 2:44am and sets at 1:16pm. In the southeastern sky on Friday morning, between about 4am and sunrise, the crescent Moon will appear three finger widths to the lower left of Mars. Saturn, Jupiter and Neptune will share the sky with Mars and the Moon, but dim and distant Neptune will not be visible without a telescope. Neptune, at magnitude 7.9, in constellation Aquarius, is fairly low… Continue reading

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Skywatch Line for Wednesday, May 13th, and Thursday, May 14th, 2020

This is the Dudley Observatory Skywatch Line for Wednesday, May 13th, and Thursday, May 14th, written by Louis Suarato. The 60% illuminated, waning gibbous Moon sets at 11:11 a.m. Wednesday. The Last Quarter Moon occurs at 10:03 a.m. Thursday. Venus is closer to the horizon after sunset each night as it approaches the Sun. Our neighboring planet is now 12% illuminated, and shines at magnitude -4.60. Venus becomes stationary, meaning it is also the end of Venus’ northeasterly movement against background stars. It will begin to move in a southwesterly direction. Jupiter also becomes stationary, and rises 45 minutes past… Continue reading

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Skywatch Line for Monday and Tuesday, May 11th and 12th, 2020

This is the Skywatch Line for Monday and Tuesday, May 11th and 12th, written by Joe Slomka. The Sun sets at 8:07 PM; night falls at 10:05. Dawn begins at 3:38 AM ends with the Sun rising at 5:36. The Moon is not visible Monday evening. Tuesday’s 19-day-old Moon rises in Capricornus at 12:55 AM, appearing 71% illuminated, 22° high andsets at 10:08 AM. In Sagittarius, Wednesday’s Moon rises at 1:38 AM, is 62% lit, 23° high and sets during daytime. Venus is the brightest and easiest planet to observe. In Taurus, it is a bright minus 1st magnitude, 14%… Continue reading

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Skywatch Line for Friday, May 8, through Sunday, May 10, 2020

This is Dudley Observatory’s Skywatch Line for Friday, May 8, through Sunday, May 10, written by Sam Salem. On Friday, Sun rises at 5:40am and sets at 8:04pm, the waning gibbous Moon sets at 6:38am and rises at 9:48pm. Once the Moon is well up, look to its right or lower right for Antares, the heart of constellation Scorpius, twinkling pale orange. Around and to the upper right of Antares are lesser, whiter stars of upper Scorpius. On Monday early hours before sunrise, look for the Moon positioned 14 degrees to the celestial west, of bright, white Jupiter. Yellowish Saturn… Continue reading

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Skywatch Line for Wednesday, May 6th, and Thursday, May 7th, 2020

This is the Dudley Observatory Skywatch Line for Wednesday, May 6th, and Thursday, May 7th, written by Louis Suarato The Full Moon occurs at 6:45 a.m. Thursday. just 30 hours after perigee, when Earth is closest to the Moon during this lunar cycle, at a distance of 223,478 miles. The combination of the Full Moon and lunar perigee will cause higher, and lower, than normal tides. Tides are created when the gravitational pull of the Moon causes Earth to bulge on opposite sides. As Earth rotates under oceans, these bulges change tidal levels. During a period when the Full Moon… Continue reading

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Skywatch Line for Monday, and Tuesday, May 4th and 5th, 2020

This is the Skywatch Line for Monday, and Tuesday, May 4th and 5th, written by Joe Slomka. The Sun sets at 8 PM; night falls at 9:53. Dawn begins at 3:51 AM and ends with the Sun rising at 5:44. The Moon occupies Virgo on both nights. The 91% illuminated Moon rises at 4:38 PM and sets at 5 AM, Tuesday. Tuesday, the 97% lit Moon rises at 5:55 PM and sets at 5:30 AM, Wednesday. Venus is the sole evening planet visible. In Taurus, Venus shines at minus 4th magnitude, is 42 arc-seconds in size, is 21% lit, 32°… Continue reading

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