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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 21 Oct 2012 (Sunday) 14:59
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Horsehead Nebula

 
Acamacho
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Oct 21, 2012 14:59 |  #1

I've forgotten that because I'm imaging with a reflector the orientation is flipped. Same with this image. Will fix when I put more time in, but currently doesn't bother me. :)

IMAGE: http://farm9.staticflickr.com/8325/8109589361_0ecd4b8165_c.jpg

Hires (external link)

Also, I think I'll stick to ISO800 from now on. Seems to be easier on processing and stars retain some color (although I saturated mine more in post). Some info:

Mount: Orion Sirius
Telescope: Orion f/3.9
Camera: Canon 50D modded
Guiding: SSAG
Subs: 55x2min
Stacked and calibrated completely in Pixinsight (batchPreProcessing is great)

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scokar
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Oct 21, 2012 17:52 |  #2

WOW.




  
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TheBigDog
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Oct 21, 2012 19:15 |  #3

ab-so-lutely STUNNING, great work


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neimad19
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Oct 21, 2012 20:33 |  #4

I would be at a content level if I could take an image like yours. Amazing.




  
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edge2edge
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Oct 22, 2012 02:01 as a reply to  @ neimad19's post |  #5

WOW, incredible shot!!!


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rrblint
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Oct 22, 2012 02:04 as a reply to  @ edge2edge's post |  #6

Beautiful!


Mark

  
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Joe929
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Oct 22, 2012 06:13 |  #7

Great job. That was on my list of targets that i had wanted to get before I had to sell my gear. I never had much success anyway, Please keep them coming.


Canon 7D, 24-105L, 100-400L, Tokina 11-16, 430 ex II
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cyberon
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Oct 22, 2012 07:51 |  #8

Stunning!


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U/W : G11, OEM Housing, Inon S2000, Inon D4 Tray, Inon UCL-165 Close up lens
Astro : Modded 1100D, ES 80ED, Skywatcher HEQ5 Mount, Astrotrac TT320X-AG, Astronomik CLS Clip in filter

  
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Celestron
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Oct 22, 2012 10:49 |  #9

Very nice image . You might contact the dealer and see if there is a way to get rid of that spider vane reflection in your images tho .




  
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Acamacho
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Oct 22, 2012 12:43 as a reply to  @ Celestron's post |  #10

Thanks for the compliments! I'm not sure what is causing those reflections, although to be honest they aren't bothering me...yet. But in each sub there is a large circular reflection that surrounds the nebula, that I think may be a reflection from the star Alnitak. I thought it was flats, but I used fresh flats and made sure the camera didn't change orientation. You can see the artifact from an older image:

IMAGE: http://farm9.staticflickr.com/8330/8099632679_61004e2dba_c.jpg

I can send the image to Orion and see what they think.

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Celestron
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Oct 22, 2012 14:07 |  #11

Acamacho wrote in post #15154570 (external link)
I can send the image to Orion and see what they think.

I definitely would do that . It maybe a defect cause i've been into amateur astro work for better part 15 yrs now and have never seen it this bad . I see the halo round the HH you speak of and that's not from the star . What i see from my computer is internal reflection from the secondary and a halo some how caused by the tube it'self . Never have seen it like this ever before . Almost looks like one end of the tube is smaller than the other end and that should not be so . I maybe wrong but i would get this fixed cause it messes up your good photos .




  
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MidnightSun
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Oct 22, 2012 16:47 |  #12

That's a beauty....nice and sharp, nice color...well done


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.
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Acamacho
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Oct 23, 2012 20:03 |  #13

Celestron wrote in post #15154961 (external link)
I definitely would do that . It maybe a defect cause i've been into amateur astro work for better part 15 yrs now and have never seen it this bad . I see the halo round the HH you speak of and that's not from the star . What i see from my computer is internal reflection from the secondary and a halo some how caused by the tube it'self . Never have seen it like this ever before . Almost looks like one end of the tube is smaller than the other end and that should not be so . I maybe wrong but i would get this fixed cause it messes up your good photos .

I haven't sent my images to Orion yet, but while browsing at work I found this:

http://www.cloudynight​s.com …mber/4953706/Ma​in/4941733 (external link)

I have both the MPCC and the CLS filter on when imaging, which could be causing the reflections if that thread is correct. Doesn't hurt to test. :)


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Celestron
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Oct 23, 2012 22:29 |  #14

Acamacho wrote in post #15160959 (external link)
I haven't sent my images to Orion yet, but while browsing at work I found this:

http://www.cloudynight​s.com …mber/4953706/Ma​in/4941733 (external link)

I have both the MPCC and the CLS filter on when imaging, which could be causing the reflections if that thread is correct. Doesn't hurt to test. :)

You'll have to test it but that maybe your problem .




  
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Skul
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Oct 25, 2012 04:38 |  #15

Interesting that you mention iso800.
I've seen that a few times in regards to color.
Maybe it's time I mess with that.
Xnks for the info. Very nice pix, btw.




  
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