Earth’s Lights at Night by NASA Earth Observatory
Meteorological satellite view of light pollution from Earth (NASA Earth Observatory)
March/April 2019 Issue

How is light pollution affecting astronomy? How can innovation and social change help preserve the beauty of the night sky?

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Getting Smart About Light Pollution

Preserving the beauty of the night sky means harnessing technological innovation and social change. Lindsay Malbon and Ian Ashdown

The New Sky Glow

As cities and towns across Canada embrace LED street lighting, stargazers wonder how it will affect their view of the night sky. George Liv

Product Review: A New Generation of Deep-Sky Filters

Tele Vue’s newest batch of narrowband nebula filters takes a good thing and makes it better. Ken Hewitt-White

Capturing the Universe: Urban Astrophotography Tips

Even if your backyard sky is light-polluted, you can still get great astro-shots. Tony Puerzer

Exploring the Night Sky: Conjunctions and Appulses Aplenty

The early-spring sky presents observers with rewarding sights for telescopes, binoculars and the unaided eye. Alan Dyer

Scoping the Sky: Mini Gemini Jaunt

This tour features a gleaming binary star, a faint open cluster and a celestial hat. Ken Hewitt-White

On the Moon: Peering Over the Edge

You can glimpse a portion of the Moon’s ‘unseen’ hemisphere if you play the libration game. Gary Seronik

The Binocular Sky: Chasing Down the Pinwheel

A famous star pair in the Big Dipper leads to a challenging target. Ken Hewitt-White

Gallery: A Cometary Close Call

Last winter, Comet 46P/Wirtanen was widely photographed as it breezed past Earth.

Plus: Sky News Briefs, Editor’s Report, Constellation Corner and much more!

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