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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 04 Aug 2017 (Friday) 09:01
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Can someone help me understand what I've captured?

 
01Ryan10
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Post edited over 1 year ago by 01Ryan10.
     
Aug 04, 2017 09:01 |  #1

I think I've got Andromeda captured on the top left third of the image, but not sure. What is the green light streaming in over the moutains? Could that be the Aurora? I took the picture in the Central Sierra Nevadas last weekend at Shaver Lake, which is 60 minutes east of Fresno. The image is looking North East.

6D with Rokinon 24mm @ F/1.4

IMAGE: https://farm5.staticflickr.com/4421/36199930582_9eabee288e_o.jpg
IMAGE LINK: https://flic.kr/p/X9S7​bb  (external link) Andromeda over Shaver Lake (external link) by Ryan Luna (external link), on Flickr

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Celestron
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Post edited over 1 year ago by Celestron.
     
Aug 04, 2017 11:05 |  #2

Yessir that is the Andromeda Galaxies M31 . Congratulations and great capture ! On the green part it looks similar but I honestly can't say it is . Auroras rarely come that far south of the Canadian border but maybe an expert with auroras will chime in and help verify if it is or not .




  
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01Ryan10
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Aug 04, 2017 11:17 |  #3

Yeah...I'm having a hard time thinking it is the Aurora, but what else could it be? On the other side of those mountains are hundreds of miles of nothing. Drawing a straight line on Google Maps, the closest city of any size looking that way is Salt Lake, which is 460 miles away. Looking that way with my naked eye, it was definitely the darkest part of the sky.

I can only assume the Rokinon at F/1.4 and ISO 6400 are picking up the faintest hints of Aurora that most lenses and lower ISOs will not pick up at the same lattitude.


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filmuser
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Post edited over 1 year ago by filmuser.
     
Aug 04, 2017 12:02 |  #4

When was photo taken? A short while ago the sun went crazy and expelled a super mass ejection which caused seeing this well into the USA.




  
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01Ryan10
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Aug 04, 2017 12:07 |  #5

filmuser wrote in post #18419226 (external link)
When was photo taken? A short while ago the sun went crazy and expelled a super mass ejection which caused seeing this well into the USA.

It was either just after midnight on on 7/28, (Thursday night, 7/27, after midnight), or perhaps just before midnight on 7/28, (Friday night before midnight). I can't remember.


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01Ryan10
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Aug 04, 2017 13:35 |  #6

A person on FredMiranda suggested it is "Airglow", and upon further Google image searches, it definitely looks like Airglow.


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Celestron
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Aug 04, 2017 14:05 |  #7

01Ryan10 wrote in post #18419292 (external link)
A person on FredMiranda suggested it is "Airglow", and upon further Google image searches, it definitely looks like Airglow.


I would agree with that .




  
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DavidWatts
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Aug 05, 2017 23:14 |  #8

Concur. Airglow.


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murwille
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Aug 06, 2017 09:13 |  #9

This is definitely airglow! Here are links to more information:

http://www.atoptics.co​.uk/highsky/airglow2.h​tm (external link)

http://www.atoptics.co​.uk/highsky/airglim1.h​tm (external link)

http://www.atoptics.co​.uk/highsky/airglim3.h​tm (external link)

http://www.atoptics.co​.uk/highsky/airglim2.h​tm (external link)

I live in northern Nebraska not far from where one of the photos was taken.

Nice capture!




  
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murwille
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Aug 06, 2017 09:14 |  #10

I forgot one more link:

http://www.atoptics.co​.uk/highsky/airglow1.h​tm (external link)




  
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filmuser
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Aug 06, 2017 09:39 |  #11

Solar flare was 07 15 17. so not a solar flare for sure.




  
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Davenn
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Aug 13, 2017 02:43 |  #12

01Ryan10 wrote in post #18419190 (external link)
Yeah...I'm having a hard time thinking it is the Aurora, but what else could it be? .

it's air glow, very, very common in many astro pix seen on here and other sites


A picture is worth 1000 words ;)
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fireman93514
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Aug 21, 2017 19:39 |  #13

regardless of what it is it is a beautiful shot to my mind.


30D,l XT with grip,l 24-105L 1:4 IS,l 100-400L 4.5-5.6 IS,l 18-55 3.5-5.6, l 75-300 4-5.6,l 580EX flash,l various assorted filters, tripod, etc.

  
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spotz04
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Aug 22, 2017 04:50 |  #14

Airglow, I have it in some of my milky way pics.




  
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Can someone help me understand what I've captured?
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