Astro Sketching the Universe!

Sunspots Active Region 2403 by Instagram user Pekka Rautajoki. All rights reserved. Active Region 2403 from 2015 on August 23rd (13:00 UT), August 24th (12:15 UT), and August 28th (13:40 UT). Sketched through Tele Vue-85 refractor @85x; white light filter, no tracking. Pencils on white paper, East-West mirror images. “What a wonderfully complex sunspot group! “
We posted some Instagram sketches of the July 2019 Total Solar Eclipse from Chile last month made by Pekka Rautajoki — who traveled all the way from his native Finland to be there. We found a trove of blog-worthy images, he posted on Instagram, made with Tele Vue eyepieces and  Tele Vue-85 APO refractor. They encompass a broad range of objects from the northern and southern hemispheres. So, it was only inevitable that we invited him to write a guest blog post based on his exquisite work! 

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Tele Vue APO Design and Build “Secrets”

Over the years, we’ve seen conversational topics in online amateur circles that repeatedly crop up concerning the definition of apochromatic refractor, triplet vs. doublet design, and how glass designation might define performance.  We expect these questions to continue to appear as new amateurs discover the hobby. So bookmark this blog post because here you’ll find notes on Tele Vue’s philosophy and build practices concerning our telescope line of 100% APO refractors.

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