In Search of Double Asteroids from a Backyard Observatory WITH Don Pray

$15.00

Don Pray is an amateur astronomer who has turned his life-long interest in all things “space” into the pursuit of double asteroid systems, also known as binary asteroids. He’s done this by assembling telescopes from off the shelf components as well as making many parts in his basement. Don uses a technique called photometry (brightness … Continue reading In Search of Double Asteroids from a Backyard Observatory WITH Don Pray

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