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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 19 Mar 2015 (Thursday) 13:13
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Monday's solar photos

 
DanThoman
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Mar 19, 2015 13:13 |  #1

Had an absolutely beautiful day Monday the 16th. The sky was clear and the temperature warm. Here are a couple of my solar photos. C&C is always welcome.


IMAGE: http://thomanstudio.com/img/s7/v155/p990092078-5.jpg

IMAGE: http://thomanstudio.com/img/s7/v169/p540625081-5.jpg

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AbPho
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Mar 22, 2015 05:52 |  #2

Nice. How do you go about capturing the second image?


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DanThoman
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Mar 24, 2015 08:20 as a reply to  @ AbPho's post |  #3

I use a ASI120mm-s camera and take a 30 second video which I stack in registax6. The resulting photo is processed in photoshop. To get the prominences to show up the sun's disk is greatly over exposed in the video and stacked photo. In photoshop I mask out most of the sun's disk. This make the prominences show up much better and is where your eye is drawn in the photo. Another option is to combine two photos. One where the prominences are correctly exposed and one where the disk is correctly exposed then combine them. I haven't tried the second method yet but will get around to it one of these days. I'd rather be outside observing than sitting looking at a monitor.


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AbPho
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Mar 24, 2015 16:14 |  #4

Good info. Thanks Dan.


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stlprk
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Mar 24, 2015 16:35 |  #5

Awesome pictures...


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samsen
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Mar 31, 2015 13:44 |  #6

Ok now that I've got permission from Dan, let me post this quick patch edit (About 2 minutes edit on PS) that is the response to good suggestion from Dan, in combining both images to get an ultra high dynamic range and to see if it works or not.
Please note that this is only a 2 minutes quick edit from low rez and, if attention is paid to the detail from large original file size image, I am sure you can achieve a lot better result. Any ways the quick job to show how it may look, that is better than guessing.
I say go for it Dan and I noticed that if I remove the yellow line of highly exposed image, from the periphery of sun, the merge will look unnatural. Lets see what you think and can come with.

IMAGE: https://photography-on-the.net/forum/images/hostedphotos_lq/2015/03/5/LQ_720577.jpg
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AbPho
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Mar 31, 2015 16:09 |  #7

The HDR/composite looks.amazing.


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DanThoman
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Apr 02, 2015 15:37 as a reply to  @ AbPho's post |  #8

I guess I'm going to be spending more time behind the monitor. Your composite looks great.


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Monday's solar photos
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