The Hydration Refractometer: More Than Just Urine Testing
August 29, 2023
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refractometer in wine making
Unlock the Wonders of the Cosmos: Your Trusted Guide to Telescopes, Binoculars, and More
The Leading Source on Optical Equipment
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Celestial Objects
Information on Galaxies, Stars, Constellations, Planets, Moons, Comets and Asteroids
Listen to Bernard Miller describe his journey into AstroPhotography and detail how he captured this stunning image of the Sculptor Galaxy.
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Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
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Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
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Narrowband Astrophotography From Light-Polluted Skies
January 21, 2026
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Master Ha, OIII, and SII imaging in bright cities. Gear, filters, exposure, calibration, and processing workflows for stunning narrowband astrophotography.
Metallurgy Microscopes: What Are They and Which Work Best?
April 11, 2023
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There is a massive library of various microscopes, all designed for specific operations and functions. If you are involved in the metallurgy industry, you need a metallurgy microscope. You can find these types of microscopes in classrooms to teach new users how to study various metal materials or examine metal specimens on a job site
What Are The Best Conditions For Stargazing?
