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Picture of the Day
Interstellar visitor
Chris Schur, taken from Payson, Arizona
The interstellar object 3I/ATLAS — just the third to be discovered — is captured in this amateur shot (click and zoom in to see inset) next to the open cluster M23 (at right). The imager used a 10-inch f/3.9 scope to take 30 minutes of LRGB exposure.
More News

July 2025
- How weird is the Milky Way?
- We review William Optics’ RedCat91 refractor
- Rediscovering Beverly Lynds’ dark nebulae
- Wonders to observe in the constellation Andromeda