by Erich Karkoschka
Category Archives: Solar System
Planets of the Month: January 2019
by Erich Karkoschka
TOTAL LUNAR ECLIPSE January 20: 8:34-11:51 pm, totality 9:41-10:44 pm. High in sky, near Castor and Pollux. Southern limb of moon gets very close to the center of the umbra at mid eclipse (10:12 pm). | |
Mars at magnitude 1, 60 degegrees high at dusk, sets after 11 pm. It is moving fast through the faint stars of Pisces. |
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Uranus and Neptune on both sides of Mars visible in binoculars. | |
Venus rises 4 am at brillant magnitude -4.5, high during dawn, naked eye visibility after sunrise. |
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Jupiter at magnitude -2 rises first at 5 am. Jupiter and Venus approach each other. Closest on 21st, 2.5 degrees separation, spectacular around 6 am! |
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Comet Wirtanen, magnitude 5 and dimming, moves fast from Lynx to Ursa Major, circumpolar. |
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The moon will be close to Mars on the 12th and close to Venus on the 31st. |
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Latest sunrise is January 8. |
Planets of the Month: December 2018
by Erich Karkoschka
Saturn is still visible at dusk very low in the southwest until Dec 15. | |
Mars at magnitude 0 transits at 6pm and sets at midnight. It is moving fast through Aquarius. | |
Neptune is easy to find on Dec 7 when it is only 15 arc-minutes from Mars. | |
Uranus transits at 9pm 68 degrees high in Pisces. | |
Venus is magnitude -4.9, the brightest possible, high during dawn. | |
Mercury is visible well below Venus from Dec 4 to Jan 4. | |
Jupiter joins Mercury starting Dec 9 first below Mercury. On Dec 21, the pair is only 1 degree apart. Afterwards, Jupiter will be higher than Mercury by 1 degree per day. | |
The moon will be first visible on Dec 8 as a very thin crescent next to Saturn. On Dec 14 it shines below Mars. | |
The Geminids meteors will be very active on Dec 13 an 14. | |
Winter solstice occurs on Dec 21. The length of the day stays near 10 hours all month, but sunrise and sunset both get delayed by about a quarter of an hour during December. |