Read on to discover where comets Lemmon, SWAN and 3I/ATLAS are in the Halloween night sky on Oct. 21 and find out if they're a stargazing trick, or a telescopic treat.

Trick or treat: Here's where to find comets Lemmon, SWAN and 3I/ATLAS in the Halloween sky

Source: space
Source Link: https://www.space.com/stargazing/find-comet-lemmon-swan-interstellar-object-3iatlas-in-the-halloween-sky-oct-31-2025