Boötes’ brightest cluster, NGC 5466
Back to Article List An ancient ball of stars, globular cluster NGC 5466 is visible in the early-morning…
The Sky Today on Saturday, January 24: Psyche makes its turn
Back to Article List Asteroid Psyche has switched from retrograde to prograde motion on the sky. You can…
The Sky Today on Sunday, January 18: Catch Caroline’s Rose
Back to Article List Also known as Caroline’s Rose, the open cluster NGC 7789 shines tonight in Cassiopeia…
The Sky Today on Saturday, January 17: Titan sits near Saturn
Back to Article List The ringed planet’s largest moon lingers nearby, making it easy to find. Several other…
The Sky Today on Saturday, January 10: Jupiter reaches opposition
Back to Article List The solar system’s largest planet is now at its best and brightest, opening the…
Psyche moves north of Aldebaran
Back to Article List Asteroid 16 Psyche is easy to find this evening as it moves a less…
The Sky This Week from Jan. 9 to 16: Jupiter at opposition
Jupiter looms large in this stunning map of the gas giant, comprised of Hubble Space Telescope data. Credit:…
Zoom in on the Perseus Cluster
Back to Article List Galaxy NGC 1275 is the brightest member of the Perseus Cluster, an excellent target…
The Sky Today on Sunday, January 4: The Winter Hexagon
Back to Article List A huge asterism is visible in the east, rising after sunset this evening. Trace…
The Sky Today on Friday, January 2: Harmonia at opposition
Back to Article List Asteroid Harmonia reaches opposition in Gemini the Twins, near the bright planet Jupiter in…
The evolution of solar imaging
Sunspots are active regions where the Sun’s magnetic field contorts itself into loops and arcs. Solar imaging captures…
The Sky Today on Thursday, January 1: Follow Saturn to Neptune
Back to Article List Saturn and Neptune lie close together in the evening sky. Use the brighter ringed…