The Sky This Week from March 21 to 28: Galilean moon action
Jupiter is flanked by three of its four Galilean moons in this March 2015 image: Ganymede farthest left, Europa (closing ...
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What is the difference between a 2″ eyepiece and a 1¼” eyepiece?
Back to Article List From the March 2025 issue A 2" eyepiece delivers a wider true field of view than ...
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How to observe the brightest deep-sky objects
The Pleiades (M45) Credit: Warren Keller You know, after decades of pointing optics toward the sky, I consider myself a ...
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The Sky This Week from March 14 to 21: The start of spring
Sky This Week is brought to you in part by Celestron. Friday, March 14The Moon reaches Full phase early this ...
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Astronomers have spotted the most distant comet ever discovered
This snapshot shows the overall orbit and current position of Comet C/2025 D1 (Gröller) on March 11, 2025. Note that ...
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How to get the most out of the next lunar eclipse
The author captured the phases of a lunar eclipse with a Nikon D5300 and Nikon 70-300mm lens at 300mm, f/5.6, ...
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A Total Eclipse of the Moon
Back to Article List See our natural satellite pass through Earth's shadow. The Moon moves through Earth's shadow during a ...
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The Sky This Week from March 7 to 14: A total lunar eclipse
Sky This Week is brought to you in part by Celestron. Friday, March 7Look north after dark tonight to find ...
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Don’t miss this month’s total lunar eclipse
Back to Article List The Moon will pass through Earth’s shadow March 13/14. Here’s how and when to watch. This ...
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Lucky new astronomy product finds this month
Nighttime observing program at Kitt Peak National Observatory. Credit: B. Foott/KPNO/NOIRLab/NSF/AURA To the Moon University of Chicago PressChicago, IL Lunar: ...
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