Learn about the supernova SN 2026aaiv disovered on September 1, 2026, in the galaxy NGC 7331 (Caldwell 30) in the constellation Pegasus.
Tag Archives: Autumn
NGC 925: Triangulum’s Lawless Galaxy
Explore Triangulum’s rule-breaking NGC 925 (the Amatha Galaxy). See how this lopsided barred spiral defies physics to birth new stars at its edges.
Stars Fell Like Snow: Witnesses to the 1833 Leonid Meteor Storm
The 1833 Leonid meteor storm stunned America. Read the harrowing eyewitness accounts of the night the stars fell like snow and the sky caught fire.
Messier 76: The Little Dumbbell Nebula in Perseus
Learn about Messier 76, the Little Dumbbell Nebula in Perseus, a bipolar planetary nebula with twin lobes and a scorching central star. Includes personal observations and Seestar images.
NGC 752: A Scattered Star Cluster with Some Sparks
NGC 752 is a loose open star cluster in Andromeda, best seen in autumn and winter, offering subtle beauty and a glimpse into stellar aging.
STT 461 in Cepheus: A Multiple Star System—or a Cosmic Illusion?
The double star Struve 2840 is located in the northern sky within the constellation Cepheus. Backyard astronomers should find it pretty easy to separate Struve 2840’s two stars, which are separated by 18 arcseconds. The pair is also known as STF 2840, SAO 33819, HD 208063, HR 8357.
NGC 663: A Star Cluster Known for its Massive Star Evolution
Explore NGC 663 (Caldwell 10), a rich open star cluster in Cassiopeia, ideal for studying massive stars and double stars.
HD 222872: An Uneven Double in Sculptor
HD 222872 is an uneven double star in Sculptor. Learn its magnitudes, separation, distance, and visual observing notes.