- Lagoon Nebula (M8) is an emission nebula in Sagittarius.

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the ...

Reaching its highest point in the sky around 11 P.M. local daylight time tonight is the Swan Nebula (M17). This gorgeous deep-sky object is a fan favorite of amateur astronomers thanks to its ...

The New Moon occurs on December 18 at 8:43 P.M. EST, providing optimal conditions for viewing deep-sky objects. The Triangulum Galaxy (M33), a 6th-magnitude spiral galaxy in western Triangulum, is ...