Observing | Page 5 of 68 | Astronomy.com

NGC 253 in Sculptor

Astronomy for beginners, Observing

What are NGC objects, and where did this catalog come from?

Saturn at Opposition at Waterton Lakes

September 2024: What’s in the sky this month?

The Sky This Week from August 30 to September 6: See Mercury at its best

Observing, The Moon, Upcoming Events

The Moon, Mars, and Jupiter meet up! This Week in Astronomy with Dave Eicher

Winter Constellations

Observing, Stars

Five almost-famous stars worth gazing at

Blackeye Galaxy

The Sky This Week from August 23 to 30: Comet Olbers gets a black eye

My first image of the Lagoon Nebula (M8) was effectively zoomed in so far that the object looked nothing like a lagoon. It was taken with a Nikon D3100 on my Celestron 8-inch SCT, with an exposure time of 30 seconds at ISO 3200.

Astrophotography, Observing Basics

How to choose the right focal length for your astrophotos

Observing, Science

Where did the constellations come from?

No matter how many Full Moons appear in any given timespan, its color will not actually change to blue. Credit: John Chumack.

Observing, The Moon

What is a Blue Moon? When’s the next one?

Sturgeon Full Moon

The Sky This Week from August 16 to 23: It’s a Blue Sturgeon Moon

August 14, 2024, 5 AM, looking east

Observing, Planets, Upcoming Events

How to see tomorrow’s conjunction of Mars and Jupiter

Observing, Upcoming Events

Catch the Perseid meteor shower! This Week in Astronomy with Dave Eicher