Bright Nova Erupts in Cassiopeia
The new nova, designated V1405 Cas, shines around magnitude 8 on March 21, 2021. It's located in a rich region of western Cassiopeia. Dennis di Cicco Like a spring …
Category: The Sky Tonight
Exploring Bright Galaxy Groups in Leo
Three members of the NGC 3190 group also known as Hickson 44 display great diversity in form. From left: NGC 3193, NGC 3190, and NGC 3187. This group and …
March — A Good Time to Visit Vesta
The asteroid 4 Vesta and the Moon are shown to scale. Although more than 6½ times smaller than Earth's satellite, Vesta has a much higher surface brightness. German astronomer …
This Week's Sky at a Glance, February 26 – March 6
FRIDAY, FEBRUARY 26 ■ Full Moon tonight (exactly so at 3:17 a.m. Saturday morning EST). It's under the belly of Leo. This evening through the moonlight, look for Regulus, …
This Week's Sky at a Glance, February 19 – 27
FRIDAY, FEBRUARY 19 ■ First-quarter Moon (exactly so at 1:47 p.m. EST). The Moon shines between Aldebaran and the Pleiades high this evening, as shown below. Every February, the …