SUNSET: 
ASTRONOMY & OBSERVING NEWS
Explore the Night with Bob King
Asteroid Pallas Makes a Point in Pisces
Spice up your fall observing with a dash of Pallas and nibble of Neptune. Both planet and asteroid are easy to spot in a small telescope.
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observing guides
Where to Look Tonight
This Week's Sky at a Glance, September 10 – 18
This Week's Sky at a Glance, September 10 – 18
The evening Moon steps eastward over Scorpius as it waxes through first quarter. All four giant planets await your telescope in early to late evening.
where to lookSummer Triangle Overhead
Sky Tour Podcast
The calendar might say “September,” but now is the perfect time to explore the Summer Triangle. Find your way with this month’s Sky Tour podcast.
Subscribe NowWhat are the Phases of the Moon?
What are the Phases of the Moon?
The phases of the Moon are determined by the relative positions of the Moon, Earth, and Sun.
Read moreEditor's PICKS
Photographer: Giancarlo Melis
Photographer: soumyadeepmukherjee
Large Solar Prominence - Sept 11, 2021
Photographer: Behyar Bakhshandeh
Photographer: Jeff
Photographer: KuriousGeorge
Photographer: Robert-Fields
Photographer: Ralph-Ford
Photographer: Joel
Photographer: KuriousGeorge
Pickering's Triangle in Veil Nebula
Photographer: Kevin-Boucher
Perseid Streaking past the Summer Milky Way
Photographer: astrorx
The Vela Supernova Remnant in Narrowband Light
Photographer: Hal Heaton
Photographer: KuriousGeorge
Photographer: Robert-Fields
NGC 6888 - The Crescent Nebula
Photographer: julien.lecomte
Photographer: FERNANDO MENEZES
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Sky & Telescope Magazine
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Issue Highlights
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Venus: Inevitability or Catastrophe?
Paul Byrne
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The Case of the Dead Dinosaurs
Shannon Hall
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Meet the Neighbors — The Sagittarius Dwarf Spheroidal Family
Steve Gottlieb