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FORUMS Photography Talk by Genre Astronomy & Celestial Talk 
Thread started 19 Sep 2011 (Monday) 12:13
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The Sun, I'm nearly there.

 
pazcat
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Sep 19, 2011 12:13 |  #1

Hi all, I thought I'd share a couple of Sun pics I have taken this year with my 450D and a Coronado PST. I know they are not quite right, the first one I nailed the focus but the etalon tuning was out and the second it was the other way around. Still I'm not too far off and should crack it if the Sun decides to show itself and I'm pretty happy seeing as most solar imaging is done with high frame rate webcams/CCD's.

Any tips and feedback will be appreciated. :)

IMAGE: http://img190.imageshack.us/img190/697/84605197.jpg
IMAGE LINK: http://imageshack.us …-images/190/84605197.jp​g/  (external link)

IMAGE: http://img69.imageshack.us/img69/7858/055ffdf.jpg
IMAGE LINK: http://imageshack.us …my-images/69/055ffdf.jpg/  (external link)



  
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primeone
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Sep 19, 2011 16:14 |  #2

Only one word - Wow :)




  
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Jeff
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Oct 12, 2011 18:23 |  #3

Love the pics!

Could you please share how you hooked up your 450D to your PST. I've tried all sorts of stuff (barlows, etc) and can't get it to reach focus. I'm trying to get my 50D going with my PST.


Jeff
70D | Tokina 12-24 | Tamron 17-50 f/2.8 | Canon 28-135 IS| 430EX
Astrophotograpy: QHY9M, Optolong LRGB filters, Meade 10" SCT, Orion EON 110mm APO, Atlas EQ-G to keep it all off the ground.
MY AIRPLANE PICS (external link) | MY ASTRO PICS (external link)

  
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Medic ­ Mark
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Oct 13, 2011 01:37 |  #4

Wow. This reinforces my love for our solar system.


If it's wet, sticky & not yours... don't touch it!

  
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ArinX
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Oct 29, 2011 02:49 |  #5

Jeff wrote in post #13242217 (external link)
Love the pics!

Could you please share how you hooked up your 450D to your PST. I've tried all sorts of stuff (barlows, etc) and can't get it to reach focus. I'm trying to get my 50D going with my PST.

Im interested as well!

great photos!


:: X100 :: :: 1d MarkIV :: 17-40 F4L :: 70-200L F2.8 Is II :: 24-70L :: 85 1.2L II :: 400 5.6L :: 580ex

  
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pazcat
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Oct 31, 2011 10:56 |  #6

Sorry guys for the lack of reply any sooner. My bad.

What I used was a Baader Hyperion zoom eyepiece which came with an adaptor to attach a T-ring and that achieves focus rather well. For the full disc shot I find that 16mm is the best setting for the zoom.
I am guessing you wouldn't need an hyperion as there are other zooms on the market that attach to DSLR's but that is hust the one that I have. I have heard an seen pics that people have used with barlows too but I can't recall which models used.




  
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pazcat
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Oct 31, 2011 12:42 |  #7

I found a link which shows how one guy adapted a barlow to fit his dslr.
http://sweiller.free.f​r/ATM/PST-EOS.html (external link)
Maye you could try unscrewing part of the barlow instead of the whole length of it. Meade certainly make imaging with a PST an effort.

Something I should probably add as well about getting a finished picture is that most of the magic to get it looking like the pics above is done is post processing. You need to take two pics of the Sun, one overexposed for the prom's and one slightly under exposed for the surface detail. It's also a bit of a fuss combining the images and isolating the right colour channels to get it to all come together but it gets easier the more you do it.
I can go into more detail of about the processing if need be.




  
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ArinX
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Nov 02, 2011 05:12 |  #8

Thank you!


:: X100 :: :: 1d MarkIV :: 17-40 F4L :: 70-200L F2.8 Is II :: 24-70L :: 85 1.2L II :: 400 5.6L :: 580ex

  
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The Sun, I'm nearly there.
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