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	FOR SALE Celestron NexStar 8SE Telescope kit Category: Telescopes By: SILVERCROSS313 Location: Seattle, WA Condition: Like New $2,000.00	$2,000.00	3/14/2026 12:15:53 PM Views: 100

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Dew heater battery options: Fight the fog!

Friday, September 13, 2024 by Russ Scritchfield

As an amateur astronomer, there are few things more frustrating than waking up after a long night of unattended astrophotography to find your telescope (or guide scope) lenses covered in dew. It's like the universe is playing a cruel joke on you. You spend hours meticulously setting up your equipment, aligning your telescope, and capturing images of distant galaxies...

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AM7 Mount Replaces CGX-L

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Ghost in the dome
Started By moonbeam on 3/22/2026 7:53:39 AM

A shoutout to the talented women of astrophotography today!
Started By moonbeam on 3/8/2026 8:18:35 AM

Astrophotography and the cold, pro tips article
Started By moonbeam on 3/4/2026 3:49:38 PM

Why We Photograph the Cosmos and What It Teaches Us About Ourselves
Started By moonbeam on 2/19/2026 7:54:57 AM

ZWO AM7 Review
Started By moonbeam on 2/16/2026 2:38:12 PM

Classified Listings
Started By manfrednasa on 2/11/2026 3:14:57 PM

miniCam8 review plus more inside our February 2026 issue!
Started By moonbeam on 2/4/2026 9:01:24 AM

ZWO teases AM7 release!
Started By moonbeam on 1/26/2026 11:24:43 AM

Another Aurora!
Started By spazmagi on 1/19/2026 1:28:43 PM

StellarMate problems made me switch back to ASIAIR
Started By moonbeam on 1/12/2026 11:04:05 AM

Astronomy Picture of the Day

2026-04-05

NGC 3310: A Starburst Spiral Galaxy

Image Credit: AAO ITSO Office, Gemini Obs./AURA & T. A. Rector (U. Alaska Anchorage)

The party is still going on in spiral galaxy NGC 3310. Roughly 100 million years ago, NGC 3310 likely collided with a smaller galaxy causing the large spiral galaxy to light up with a tremendous burst of star formation. The changing gravity during the collision created density waves that compressed existing clouds of gas and triggered the star-forming party. The featured image from the Gemini North Telescope shows the galaxy in great detail, color-coded so that pink highlights gas while white and blue highlight stars. Some of the star clusters in the galaxy are quite young, indicating that starburst galaxies may remain in star-burst mode for quite some time. NGC 3310 spans about 50,000 light years, lies about 50 million light years away, and is visible with a small telescope towards the constellation of Great Bear Ursa Major.