Michael’s Miscellany: Aperture masks

I hope this series of thoughts (can I call them blogs?) help you become better observers. I’ll include observing tips and techniques, facts about constellations, reviews of books or websites, and trivia. Because there’s no right way to order this series, I’m just going to do the one I’m thinking about on that day. SomeContinue reading “Michael’s Miscellany: Aperture masks”
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