Some of you know that I picked up a hobby last summer – backyard astronomy.  A couple years ago I came up with an idea for an automated sextant (“celestial navigation system”) using a digital camera, a wide field lens, and little box of electronics – something Raspberry-Pi-like – to process the images.  No takers for my proposal but it got me looking at the sky.  With that as an intro, here are a few images I created using pictures shot from the backyard.

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