Comet Leonard on Dec. 24, 2021

Observing

Comet Leonard: A Gift at Christmastime

Multiple bright outbursts have transformed Comet Leonard into a stunning photographic object that’s also visible without optical aid from southern locations. More disruptions are likely in store as it approaches perihelion.

Comet Leonard meets M3

Celestial News & Events

See Comet Leonard at its Best

The year's brightest comet is now on display in the predawn sky this week and next. Here's how to find it.

Celestial News & Events

How Bright Will Comet Leonard Get?

We examine circumstances and expectations for the current apparition of Comet Leonard, which may become the year's brightest comet.

Comet 67P/Churyumov-Gerasimenko

Night Sky Sights

Comet Watch 2021

If you own an 8-inch or larger telescope you might see more than a dozen new and returning comets this year, including one potential naked-eye candidate.

Advertisement
Advertisement
Advertisement
Advertisement