Night Sky Calendar

SEPTEMBER 2026 (Northern Hemisphere)

2	Venus 1.5° SSW of Spica at 1h UT (evening sky). Mags. −4.5 and 1.0.
3	Moon near the Pleiades at 13h UT (morning sky).
4	Last Quarter Moon at 7:51 UT.
5	Moon near M35 Cluster at 20h UT (morning sky).
6	Moon near Mars at 20h UT (morning sky). Mag. 1.2.
6	Moon at perigee (closest to Earth) at 20:44 UT (distance 368,259km; angular size 32.4′).
7	Moon near Castor at 1h UT (morning sky).
7	Moon near Pollux at 6h UT (morning sky).
8	Moon near Beehive Cluster (M44) at 7h UT (morning sky).
8	Moon near Jupiter at 20h UT (morning sky). Mag. −1.8.
9	Moon near Regulus at 21h UT (morning sky).
11	New Moon at 3:26 UT. Start of lunation 1283.
13	Moon near Spica at 20h UT (evening sky).
14	Moon near Venus at 12h UT (evening sky). Mag. −4.5.
17	Moon near Antares at 14h UT (evening sky).
18	First Quarter Moon at 20:43 UT.
18	Venus shows greatest illuminated extent (318 square arc-seconds) at 23h UT. Mag. −4.5.
19	Moon at apogee (farthest from Earth) at 3h UT (distance 404,221km; angular size 29.6′).
22	Venus at its brightest at 18h UT (37.2° from Sun, evening sky). Mag. −4.56.
23	September equinox at 00:07 UT. The time when the Sun reaches the point along the ecliptic where it crosses into the southern celestial hemisphere marking the start of autumn in the Northern Hemisphere and spring in the Southern Hemisphere. • Equinox (Wikipedia)
26	Mercury 0.9° NNE of Spica at 9h UT (21° from Sun, evening sky). Mags. −0.1 and 1.0.
26	Full Moon at 16:49 UT.
27	Moon near Saturn at 7h UT (midnight sky). Mag. 0.3.
30	Moon near the Pleiades at 19h UT (morning sky).

• US Eastern Standard Time = UT − 5 hours.
• US Pacific Standard Time = UT − 8 hours.
• Australian Eastern Daylight Time = UT + 11 hours
• Singapore Standard Time = UT + 8 hours.

More sky events and links at http://Skymaps.com/skycalendar/

Visit my YouTube Page for captures of many of the Night Sky events for each month.