Popular Articles

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Which scope aperture is best for different kinds of objects?

Summer Constellation Spotlight: Scorpius

As summer settles over the Northern Hemisphere, a striking arachnid emerges in the southern sky—Scorpius, the celestial scorpion, its claws spread wide and its stinger arched to strike. True to...

Summer Constellation Spotlight: Scorpius

As summer settles over the Northern Hemisphere, a striking arachnid emerges in the southern sky—Scorpius, the celestial scorpion, its claws spread wide and its stinger arched to strike. True to...

Summer Constellation Spotlight: Hercules

One of the most enduring constellations in the Northern Hemisphere’s summer sky is Hercules, representing one of mythology’s greatest heroes. Riding high overhead during the warmer months, its star...

Summer Constellation Spotlight: Hercules

One of the most enduring constellations in the Northern Hemisphere’s summer sky is Hercules, representing one of mythology’s greatest heroes. Riding high overhead during the warmer months, its star...

Why Does My Telescope Lens Cap Have a Hole in It?

If you’ve ever popped the dust cap off your telescope and noticed a smaller hole staring back at you, it’s not there by accident. Those openings are a built-in feature...

Why Does My Telescope Lens Cap Have a Hole in It?

If you’ve ever popped the dust cap off your telescope and noticed a smaller hole staring back at you, it’s not there by accident. Those openings are a built-in feature...

Troubleshooting the "Bootloader Invalid Package" Error on Your Celestron Telescope

Troubleshooting the "Bootloader Invalid Package" Error on Your Celestron...

If you’ve powered on your Celestron telescope only to be greeted by a cryptic “Invalid Package ####” message on your hand control, don’t panic. It may look concerning at first,...

Troubleshooting the "Bootloader Invalid Package" Error on Your Celestron...

If you’ve powered on your Celestron telescope only to be greeted by a cryptic “Invalid Package ####” message on your hand control, don’t panic. It may look concerning at first,...

Types of Telescope Eyepieces: From Kellner and Plössl to Modern Designs

Types of Telescope Eyepieces: From Kellner and Plössl to Modern Designs

When you look through a telescope, you’re not just using the telescope—you’re using a partnership. The eyepiece is half of that equation. Think of it as the final storyteller in...

Types of Telescope Eyepieces: From Kellner and Plössl to Modern Designs

When you look through a telescope, you’re not just using the telescope—you’re using a partnership. The eyepiece is half of that equation. Think of it as the final storyteller in...

Understanding Wedges for Alt-Az Telescopes

Alt-azimuth mounts are popular for a reason. They’re intuitive, quick to align, and excellent for visual observing. But when astrophotographers begin taking longer exposures, a new challenge appear...

Understanding Wedges for Alt-Az Telescopes

Alt-azimuth mounts are popular for a reason. They’re intuitive, quick to align, and excellent for visual observing. But when astrophotographers begin taking longer exposures, a new challenge appear...