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North American, Pelican, and Gulf of Mexico nebulae

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#1 aa5te

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Posted 16 July 2019 - 09:40 PM

I'm rather pleased with this pic considering that it's a stack of only three shots at 119 sec., 148 sec., and 208 sec., all at ISO 1600, unguided. No flats, no bias, no darks. Stacked with Starry Sky Stacker (Mac OSX application), adjustments in Luminar 3.1.0.

Sony A6300 (unmodified), Rokinon 135mm f/2.0 lens @2.8 (at least I think I had it at 2.8, may have been at f/4; lens is a Samsung NX mount, but I epoxied a Sony E mount flange onto it since the Samsung lens was $250 less than the Sony version when I bought it), Orion Skyview Pro EQ mount w/dual axis drives.

Taken from near the Obed Wild & Scenic River, Lancing/Howard Mill, TN. 7/2/2019

Full available here: https://astrob.in/415358/0/

 

 

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#2 t-ara-fan

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Posted 16 July 2019 - 11:17 PM

My favorite target. I like your colors.

 

If you check your original file properties, and go into details, it will tell you the aperture, exposure, ISO, focal length, etc.


Edited by t-ara-fan, 16 July 2019 - 11:48 PM.

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#3 Jhardin

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Posted 17 July 2019 - 05:40 AM

very nice!


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#4 aa5te

aa5te

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Posted 17 July 2019 - 06:41 AM

My favorite target. I like your colors.

 

If you check your original file properties, and go into details, it will tell you the aperture, exposure, ISO, focal length, etc.

Thanks!

 

It's a manual focus lens, so no communication between it and my camera, so it simply reports as 0 focal length and 0 f-ratio.




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