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Comet Tsuchinshan-ATLAS

Comet Tsuchinshan-ATLAS: The comet of the year is here

Observing, The Sun, Upcoming Events

The Moon meets Venus: This Week in Astronomy with Dave Eicher

The Moon occults M45

The Moon, Upcoming Events

Watch the Moon cover the Pleiades Sunday morning

Neptune as imaged by Voyager

The Sky This Week from September 20 to 27: Neptune at Opposition

Albireo (Beta [β] Cygni) is a classic example of a double star with contrasting colors.

Observing, Stars

What gives stars their colors?

Partial lunar eclipse

The Moon, Upcoming Events

How to watch a partial lunar eclipse during Tuesday’s Super Moon

The five members of the animal kingdom we observed during the April 2024 solar eclipse from Bee Cave, Texas, are shown clockwise from top left: northern cardinal, American robin, mosquito, cloudless sulphur butterfly, and a Mexican free-tailed bat. Images showing totality and the mosquito were taken on eclipse day.

2024 Solar Eclipse

Studying nature’s eclipse reactions

Partial lunar eclipse

The Sky This Week from September 13 to 20: A partial lunar eclipse plus an occultation

Autoguiding can take your astrophotography to the next level, as exemplified in this 6.5-hour exposure of the Trifid Nebula (M20). Here, the nebulosity stands out in all its glory among perfect, round stars. The author took this shot with a 10-inch f/3.8 Newtonian and Atik 16200 CCD.

Telescopes and Equipment

How to use an autoguider for the best astrophotos

The Sun, Upcoming Events

The greatest eclipse for the rest of our lives

Saturn near opposition

The Sky This Week from September 6 to 13: Saturn at opposition

Light pollution linked to higher risk of Alzheimer’s disease