The Observers Notebook - Seeing and Transparancy with Dr. D

Episode 232 Welcome to The Observer’s Notebook, the podcast that explores the art, science, and experience of visual astronomy. I’m your host, Tim Robertson. In this episode we’re diving into a topic that every planetary observer wrestles with sooner or later seeing and transparency. We hear those terms all the time, but understanding the difference between them, and knowing how they affect what we see at the eyepiece, can be the difference between a frustrating night and an unforgettable one. My guest today is Daniel Mounsey, known to many of you as Dr. D. works at Woodland Hills Camera and is widely respected for his deep experience at the eyepiece and his ability to teach observers how to truly learn to see. He’s someone who reminds us that great planetary observing isn’t about chasing equipment or perfect conditions—it’s about patience, perception, and understanding the atmosphere above us. In this episode, we’ll talk about what good seeing really looks like, how transparency fits into planetary observing, and even how famous illusions like the canals of Mars teach us important lessons about human perception at the eyepiece. So settle in, grab a cup of coffee, and join us as we explore how the atmosphere—and our own eyes—shape the planetary views we love. You can contact David at: ghost65dm@yahoo.com Woodland Hills Camera For more information you can visit the ALPO web site at: You can also support this podcast at Patreon: Listen to the podcast on Soundcloud:

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The Observers Notebook - Seeing and Transparancy with Dr. D is an episode from Observers Notebook by Observers Notebook- The Official ALPO Podcast.

This episode is 01:09:05 long.

This episode was published on Apr 1, 2026.

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