Observing Highlights for January 2016
at 5:30 UT.
(farthest from Earth) at 12h UT (distance 404,277 km; angular size
(closest to Sun) at 23h UT. The Sun-Earth distance is 0.983304 a.u. or
147.1 million kilometers.
at Aphelion and Perihelion (Anthony Ayiomamitis)
(78° from Sun, morning sky) at 7h UT.
(73° from Sun, morning sky) at 20h UT. Mag. +1.2.
peaks at 8h UT. Active between December 28 and January 12. Produces up
to 120 meteors per hour. Radiant is in northern Boφtes.
Quadrantids (Gary Kronk)
Venus and Saturn
within a 3.6° circle (36° from Sun, morning sky) at 4h UT. Mags. -4.0
0.08° N of Saturn
(36° from Sun, morning sky) at 4h UT. Mags. -4.0 & +0.5.
(135° from Sun, morning sky) at 0h UT. Mag. -2.3.
(farthest from Earth) at 9h UT (distance 404,553 km; angular size
(106° from Sun, morning sky) at 15h 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)