Sky Spectacles: Two Comets Light Up the Night

In October 2025, the night sky puts on a rare show with two comets visible to the naked eye. Comet Lemmon and Comet SWAN are making their closest approaches to Earth, offering a unique opportunity for stargazers.

Comet Lemmon

• Discovered: January 2025
• Brightest: Around Halloween
• Closest to Earth: October 21
• Best Viewing: Northwest in the evening sky

Comet SWAN

• Discovered: September 2025
• Visibility: Slightly dimmer
• Best Viewing: Southern Hemisphere, Southwest in the evening sky

How to Spot the Comets

• Find a dark spot away from city lights.
• Look to the northwest for Comet Lemmon.
• Look to the southwest for Comet SWAN.
• Their exact positions will change each night.

A Rare Opportunity

• Comet Lemmon won't be this close to Earth again for about 1,150 years.
• If you miss it this time, you'll have to wait a long while for another chance.

Halley's Comet: The Most Famous of All

• Last appeared in 1986.
• Next appearance: 2061.
• Visible roughly every 76 years.