Pretty neat.This one is from last Saturday. My first attempt at astrophotography. Used my old Canon 7D and 100-400mm lens. The key hardware that enabled this was an iOptron Skyguider Pro mount. Once polar aligned, it tracks the sky and compensates for the Earth's rotation and allows for long exposures without streaked stars.
This is a stack of 60x 1 minute long exposures. So it's effectively an hour long integration.
I've seen countless better photographs, but still capturing this myself was a huge kick. It's really out there!
Now I'm excited to try more targets (and of course it's cloudy this weekend).
This is Andromeda Galaxy. Or M31 in the Messier catalog of Deep Sky Objects. It's 5x the apparent width of the full moon in night sky and visible with the naked eye from Tahoe, but much fainter, of course. It's the nearest Galaxy to us in the Milky Way, and is 2.5 million light years away (60 trillion times as far as the Moon).
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