peak lasts about 10 hours from 14h UT. Active from July 17 to
August 24. Produces swift, bright meteors (50 to 100 per hour)
many with persistent trains. Best viewing conditions occur after
midnight. Moonlight interferes.
the Perseids (Gary Kronk)
Shower Calendar PDF (IMO)
at 1:16 UT.
near the Pleiades
(morning sky) at 15h UT.
(74° from Sun, morning sky) at 7h UT. Occultation visible from
of Aldebaran (IOTA)
(closest to Earth) at 13:16 UT (366,121 km; angular size 32.6').
(morning sky) at 4h UT. Mag. −4.0.
at 18:30 UT. Start of lunation 1171.
(evening sky) at 15h UT. Mag. −1.8.
(evening sky) at 21h UT.
at 8:13 UT.
(farthest from Earth) at 11h UT (distance 404,308 km; angular
(evening sky) at 15h UT. Mag. 0.4.
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)