Constellations in the Sky Tonight
The constellations in tonight’s sky host many familiar star patterns. For northern observers, autumn is the best time of the year to see Cassiopeia’s W,… Read More »Constellations in the Sky Tonight
Frederick’s Glory: Andromeda’s Hidden Y-Shaped Asterism
Frederick’s Glory is a relatively bright asterism located in the constellation Andromeda. It is the remnant of the obsolete constellation Honores Friderici (Frederick’s Honour or… Read More »Frederick’s Glory: Andromeda’s Hidden Y-Shaped Asterism
Pumpkin Nebula (Sh2-232): A Jack-o’-Lantern Carved by a Star
The Pumpkin Nebula (Sharpless 2-232) is a vast, diffuse emission nebula located in the northern constellation Auriga. In infrared light, the cloud of gas and… Read More »Pumpkin Nebula (Sh2-232): A Jack-o’-Lantern Carved by a Star
NGC 7727: A Galaxy with Two Supermassive Black Holes
NGC 7727 is a peculiar spiral galaxy located 89 million light-years away in the constellation Aquarius. With an apparent magnitude of 11.5 and an apparent… Read More »NGC 7727: A Galaxy with Two Supermassive Black Holes
Great Square of Pegasus: Your Guide to the Autumn Sky
The Great Square of Pegasus is an asterism formed by four bright stars: Markab, Scheat and Algenib in the constellation Pegasus and Alpheratz in the… Read More »Great Square of Pegasus: Your Guide to the Autumn Sky
Cosmic Caterpillar: A Protostar Racing Against Time
The Cosmic Caterpillar (IRAS 20324+4057) is a protostar surrounded by an interstellar cloud of gas and dust located approximately 4,600 light-years away in the constellation… Read More »Cosmic Caterpillar: A Protostar Racing Against Time
Garden Sprinkler Nebula: Hen 3-1475 in Sagittarius
The Garden Sprinkler Nebula (Henize 3-1475, IRAS 17423-1755) is a protoplanetary nebula located approximately 18,900 light-years away in the constellation Sagittarius. It was produced by… Read More »Garden Sprinkler Nebula: Hen 3-1475 in Sagittarius