Observing Highlights for December 2013
(22¡ from Sun, morning sky) at 8h UT. Mag. +0.6.
(15¡ from Sun, morning sky) at 23h UT. Mag. -0.7.
at 00:21 UT. Start of lunation 1125.
(closest to Earth) at 10h UT (360,067 km; angular size 33.2').
(40¡ from Sun, evening sky) at 22h UT. Mag. -4.7.
at 15:12 UT.
at 2h UT. Mag. -4.7.
peaks at 6h UT. Most active for 21 hours from 13h UT Dec 13.
Produces bright, medium-speed meteors at its peak (up to 80
meteors/hour). Major meteor shower. Easy to observe (radiant
shown on sky map). Best seen after midnight. Moonlight makes
viewing conditions less than ideal this year.
the Geminids (Gary Kronk)
Shower Calendar (IMO)
near the Pleiades
(evening sky) at 5h UT.
(evening sky) at 2h UT.
at 9:28 UT.
(morning sky) at 4h UT. Mag. -2.7.
(farthest from Earth) at 0h UT (distance 406,269 km; angular
near Beehive Cluster
(morning sky) at 23h UT.
at 17:11 UT. The time when the Sun reaches the point farthest
south of the celestial equator marking the start of winter in
the Northern Hemisphere and summer in the Southern Hemisphere.
(47¡ from Sun, morning sky) at 0h UT. Mag. +0.6.
(morning sky) at 8h UT.
times Universal Time (UT). USA Central Standard Time = UT-6 hours. (DST = UT-5 hrs,)
is caused by sunlight reflected off meteoric dust in the plane
of the solar system. Choose a clear, moonless night, about 1-2
hours after sunset, and look for a large triangular-shaped glow
extending up from the horizon (along the ecliptic). The best
months to view the Zodiacal Light is when the ecliptic is almost
vertical at the horizon: March and April (evening) and
October-November (morning); times reversed for the southern
Picture of the Day (APOD)
the Zodiacal Light (Weatherscapes)