A penumbral lunar eclipse occurs when the Moon passes through the Earth's partial shadow, or penumbra.
#Astronomical phenomena 2017 full
Since hunting is difficult, this moon has also been known by some tribes as the Full Hunger Moon, since the harsh weather made hunting difficult.įebruary 11 - Penumbral Lunar Eclipse. This full moon was known by early Native American tribes as the Full Snow Moon because the heaviest snows usually fell during this time of the year. The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.įebruary 11 - Full Moon. The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. Look for the planet low in the eastern sky just before sunrise. This is the best time to view Mercury since it will be at its highest point above the horizon in the morning sky. The planet Mercury reaches greatest western elongation of 24.1 degrees from the Sun. January 19 - Mercury at Greatest Western Elongation. Look for the bright planet in the western sky after sunset. This is the best time to view Venus since it will be at its highest point above the horizon in the evening sky. The planet Venus reaches greatest eastern elongation of 47.1 degrees from the Sun. January 12 - Venus at Greatest Eastern Elongation. This moon has also been know as the Old Moon and the Moon After Yule. This full moon was known by early Native American tribes as the Full Wolf Moon because this was the time of year when hungry wolf packs howled outside their camps. Meteors will radiate from the constellation Bootes, but can appear anywhere in the sky.
Best viewing will be from a dark location after midnight. The first quarter moon will set shortly after midnight leaving fairly dark skies for what could be a good show. It peaks this year on the night of the 3rd and morning of the 4th. The shower runs annually from January 1-5. It is thought to be produced by dust grains left behind by an extinct comet known as 2003 EH1, which was discovered in 2003. The Quadrantids is an above average shower, with up to 40 meteors per hour at its peak. January 3, 4 - Quadrantids Meteor Shower.
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