Well done you.
The Orion season starts a little later up here. It's a bit low on the
horizon yet, with light pollution and heat shimmer getting in the way.
Your results are on par with what I've got from single exposures with
the Sigma 500/4.5. Proper focusing seems to be the limiting factor
rather than actual MTF resolution. I think it's about time you start
looking into multiple exposures and astrophoto stacking.
Jostein
Den 04.12.2016 12.57, skrev Larry Colen:
Inspired by actually being able to see it in photos with the FA77 I had
a go at photographing the Orion nebula.
Here it is with the bigma, 500mm, wide open at f/6.7, ISO 800,
astrotracer only seems to work up to about 10 seconds at 500mm. However,
that beats the rule of 600 by a factor of 8.
https://www.flickr.com/photos/ellarsee/31373955206/in/album-72157675801391901/
For those that are interested in my experimentation, here's the full
album. It was cloudy when I got to the top of bear creek, so the first
few are a bit artsy fartsy. Using the fluidr link so you can see the
exif. The photos are cropped pretty tight:
https://www.flickr.com/photos/ellarsee/sets/72157675801391901
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