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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 24 Mar 2012 (Saturday) 18:15
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Saturn and Mars

 
lemmm
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Mar 26, 2012 07:13 |  #16

wow! amazing! can't stop staring! thanks for sharing! :)


Canon 7D | Canon EF 24-70mm f/2.8L USM | Canon EF 50mm f/1.4 USM | 430ex II | 580ex II.

  
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huangyu84
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Mar 26, 2012 19:35 |  #17

Thanks for all comments.

I would like to share some tips of my imaging procedures as following:
First of all, the seeing and condition of the atmosphere is the key to a nice high magnification planetary imaging. I'm currently living in Oklahoma where good seeing usually occurs the first or second night after a long shower according to my observation in the past year. I also found the clearsky prediction of seeing condition is fairly accurate in my region.

Secondly, I take my telescope out very early and let it thermal balanced with the ambient environment long enough before actual imaging taking place. A collimation check of the telescope is also critical.

I used a software called "EOS Camera Movie Record" to capture the video stream off my DSLR. It convert the liveview stream produced by a cannon DSLR to an avi video format which can be directly processed by Registax. The software allows you to adjust exposure, ISO settings during capture which is very useful for planetary imaging. I found the compression of video stream has limited effect on the stacked/processed image which is a good news for who wants to do planetary imaging with a recent canon DSLR.

I also capture each video clip as long as the self rotation of the target planet won't blur the details with desired image scale. It is a less issue for Mars and Saturn now. The reason to capture a large amount of frames is to improve the S/N. I usually stack about 5k~10k frames per target to obtain a good S/N. The free stacking software, "Registax" performs fairly well in this task.

The last tip is to capture a series of video clips and I always find there is one stands out better than others due to varying atmosphere condition.




  
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ejicon
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Mar 27, 2012 14:32 |  #18

These are excellent. I've seen many NASA based images of planets yet I still get excited to see every day people('s) images. Well done.


5D & 30D| Canon 16-35ii f/2.8 L USM| Canon EF 50mm f/1.4 USM | Canon 70-200mm f/2.8L USM | Canon EF 100 f/ 2.8 Macro USM

  
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JTX
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Mar 30, 2012 10:40 |  #19

Very very nice work. For an 8", scope, too these are very nice.


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wayne.robbins
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Mar 30, 2012 15:47 |  #20

NickJushchyshyn wrote in post #14147256 (external link)
Usually this is done by placing a medium size, long duration thermonuclear fission reaction light source about 90million miles above and behind the camera. ;)
Amazing photos.

Silly me, I've always thought it was a thermonuclear FUSION reaction.. Guess that I went to a different school system.


EOS 5D III, EOS 7D,EOS Rebel T4i, Canon 70-200 f/2.8 IS II, Canon 24-105L, Canon 18-135 IS STM, 1.4x TC III, 2.0x TC III, Σ 50mm f/1.4, Σ 17-50 OS, Σ 70-200 OS, Σ 50-500 OS, Σ 1.4x TC, Σ 2.0x TC, 580EXII(3), Canon SX-40, Canon S100
Fond memories: Rebel T1i, Canon 18-55 IS, Canon 55-250 IS, 18-135 IS (Given to a good home)...

  
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scorpio1155
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Mar 30, 2012 16:41 |  #21

I am very impressed. A few years ago I played around with a Philips ToUCam but never managed results anything close to yours. These shots have motivated me to give it a whirl with my modified DSLR. Thank you very much for sharing! Oh, and by the way, I too am envious of your seeing.


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surgeonhawkeye
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Mar 30, 2012 20:52 |  #22

Great images, thanks for sharing


I love this
http://www.facebook.co​m …N/1467601553693​26?ref=sgm (external link)
http://http …home/surgeonhaw​keye/index (external link)
http://surgeonhawkeye.​500px.com/home (external link)flickr (external link)

  
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Go4EVA!
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Mar 30, 2012 20:58 |  #23

wayne.robbins wrote in post #14182330 (external link)
Silly me, I've always thought it was a thermonuclear FUSION reaction.. Guess that I went to a different school system.

I went to the same school as you -- it is a fusion reaction....:)

Beautiful shots regardless of the light source!!


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MJCfromCT
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Apr 02, 2012 21:23 |  #24

You mentioned you used a 2x barlow when taking these pics. Could you elaborate as to how you hooked the barlow up to the camera, and to the scope? I'd like to use a barlow in conjunction with the prime focus stuff I do.


60D | BG-E9 | 430EX | Sigma 17-50mm | Canon 100-400mm L | Canon 50mm f/1.8

  
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Joe929
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Apr 02, 2012 22:01 |  #25

MJCfromCT wrote in post #14199847 (external link)
You mentioned you used a 2x barlow when taking these pics. Could you elaborate as to how you hooked the barlow up to the camera, and to the scope? I'd like to use a barlow in conjunction with the prime focus stuff I do.

Some T adapters ( 1.25" most common)are connected to the scope through the eyepiece, so when one uses a barlow, they simply put it between the scope and the T adapter. I don't have an image to show you and make my explanation clearer, but that's how a barlow is used with photography.


Canon 7D, 24-105L, 100-400L, Tokina 11-16, 430 ex II
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goodspeed9000
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Apr 03, 2012 10:21 |  #26

Beautiful! Now if I could just find the funds to add a telescope to my collection.


Canon 5D Mark III | Canon 350D | Canon EF 70-200mm f/2.8L II IS | Canon EF 24-70mm f/2.8L | Canon EF 100mm f/2.8L IS | Canon EF 50mm f/1.4 | Canon 580EX II
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huangyu84
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Apr 03, 2012 22:17 |  #27

MJCfromCT wrote in post #14199847 (external link)
You mentioned you used a 2x barlow when taking these pics. Could you elaborate as to how you hooked the barlow up to the camera, and to the scope? I'd like to use a barlow in conjunction with the prime focus stuff I do.

There is a product called camera variable T-adapter out there. One end of the adapter can hook up with a T-ring while the other end is a standard 1.25'' eyepiece barrel. It is only useful for planetary imaging otherwise will cause significant vignetting.

such as this one

IMAGE: http://ecx.images-amazon.com/images/I/41xFV19FnLL.jpg



  
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atexasphotog
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Apr 04, 2012 14:41 |  #28

AWESOME!!!!!


Canon 6D,T3i, Powershot G16| 50mm 1.8II|100-400mm F4.5-5.6L|24-105 IS F/4 L||16-35mm F/2.8 vIIL|lCanon 1.4x mkII TC|580 EXII |Keeping it all in a KATA Backpack
http://texasphotog.dev​iantart.com/ (external link)

  
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MidnightSun
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Apr 05, 2012 17:34 |  #29

Beautiful really....Some of the best I've seen.


Dave
Canon 350D, AE-1, Orion 8" Newt. f/4.9; EQ6 w/ modified motor drive; Orion 70mm f/10 Refractor Guide Scope; Celestron NexImage CCD Imager; Starshoot Autoguider. Orion Electronic Focusers.
Astro Setup / Midnight Sun Astrophotography (external link)

  
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EvoActive22
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Apr 05, 2012 17:55 |  #30

These are amazing! so clear and definite.


Beginner doing what he loves best.
Canon T2i, Sigma 30mm F/1.4,Canon EF 50mm F/1.8 II, Marumi CPL
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Saturn and Mars
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