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Super Takumar 200mm f/4 nebula no astrotracer or stacking.
Lens: Asahi Super Takumar 200mm f/4 Camera: Pentax K-50 Photo Location: Prince Gallitzin State Park, Fallentimber, PA 16639 ISO: 6400 Shutter Speed: 3s Aperture: F4 
Posted By: Auzzie-Phoenix, 12-30-2015, 06:43 PM

Just for fun, I took this shot on Dec. 20th of one of the nebulas in orion's sword. I was having some fun with the m42 glass at night. A 3sec exposure, ISO 6400 @ f/4 aperture. I find 3s is about the longest you can hold the shutter open without noticeable star trailing in a one-off exposure without tracking or stacking. I probably could have gotten it a little cleaner with some minor tweaking to find the true infinity spot, but eh...

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200mm f/4 nebula, astro, astrophotography, camera, exposure, f/4, f4, fun, nebula, nebula no astrotracer, night, orion, photo, state park, super takumar 200mm, sword, takumar 200mm f/4
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