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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 27 Oct 2010 (Wednesday) 15:45
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You don't need a telescope

 
archer1960
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Nov 30, 2011 08:39 |  #706

That's not the Horsehead, it's M42; you won't get the Horsehead without special filters. But still a very nice job on both!!


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mrbubbles
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Nov 30, 2011 09:07 |  #707

archer1960 wrote in post #13473418 (external link)
That's not the Horsehead, it's M42; you won't get the Horsehead without special filters. But still a very nice job on both!!

Thanks for clarifying! I was actually unsure which one it was. Time for a bigger lens :)


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archer1960
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Nov 30, 2011 09:28 |  #708

mrbubbles wrote in post #13473549 (external link)
Thanks for clarifying! I was actually unsure which one it was. Time for a bigger lens :)

It's ALWAYS time for a bigger lens :D

You may be able to get the Horsehead with what you have and a 2x TC, if you can find an H-beta filter that will fit. You'll definitely need a tracking mount, though; at those focal lengths you'll get a lot of trailing with the long exposures you'll need.


Gripped 7D, gripped, full-spectrum modfied T1i (500D), SX50HS, A2E film body, Tamzooka (150-600), Tamron 90mm/2.8 VC (ver 2), Tamron 18-270 VC, Canon FD 100 f/4.0 macro, Canon 24-105 f/4L,Canon EF 200 f/2.8LII, Canon 85 f/1.8, Tamron Adaptall 2 90mmf/2.5 Macro, Tokina 11-16, Canon EX-430 flash, Vivitar DF-383 flash, Astro-Tech AT6RC and Celestron NexStar 102 GT telescopes, various other semi-crappy manual lenses and stuff.

  
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SteveInNZ
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Nov 30, 2011 13:00 |  #709

The H-Beta filter for the Horsehead is for visual use. Your dark adapted eye is sensitive to that wavelength and not the red of H-alpha. The camera will record the H-alpha (more so if the camera is astro modified).
Regardless, the Horsehead is a difficult target and a big step up from M42.
Well done mrbubbles. Welcome to the precipice. :)


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jaysmith2
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Nov 30, 2011 13:19 |  #710

Very nice MrBubbles!
Can you plese tell me your setup and exposure settings?
What kind of mount did you use?
Was this multiple exposures?




  
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tkerr
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Nov 30, 2011 14:26 |  #711

archer1960 wrote in post #13473418 (external link)
That's not the Horsehead, it's M42; you won't get the Horsehead without special filters. But still a very nice job on both!!

You are correct that it is not the Horse Head, however you are incorrect that you need a special filter to image it, That is False. All you need is clear dark skies and time.
I don't use any special filters or a modified camera and you can easily pick it out in the picture I posted in the thread Titled, Belt and Sword of Orion.
https://photography-on-the.net …/showthread.php​?t=1120056

If you want to observe it with a telescope rather than image it, then you will prefer to have the H-beta filter, and then you still need clear dark skies, and a telescope with enough aperture. If your skies are very clear and very dark, and you have a large enough telescope, I have heard reports of people seeing it without the aid of any filter.


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mrbubbles
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Nov 30, 2011 17:51 |  #712

jaysmith2 wrote in post #13474715 (external link)
Very nice MrBubbles!
Can you plese tell me your setup and exposure settings?
What kind of mount did you use?
Was this multiple exposures?

Sure Jay.
I used a regular old video tripod made by Velbon. No special mount or tracking. Both photos are single shots and here are the settings...

Andromeda-
200mm
4 seconds
f/4
ISO 6400

M42-
200mm
2 seconds
f/4
ISO 6400

I used mirror lockup and self timer to reduce vibrations when taking the shots. I know they arent the greatest shots ever but it is certainly motivating to see that this can be achieved with a normal DSLR and a decently long lens. Note...I did attempt this on my T1i. The thought was that because it has a crop sensor I would be able to resolve a little more detail(200mm = 320mm). Well it turns out the 5DmkII STILL outresolves the crop sensor on my T1i. The shots from the T1i were thrown out.


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jaysmith2
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Nov 30, 2011 18:20 |  #713

Thanks for the setup info MrBubbles. I will have to try this - I have the 5D2 and the 70-200 f/2.8. What post-processing was applied?




  
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mrbubbles
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Nov 30, 2011 19:50 |  #714

jaysmith2 wrote in post #13476315 (external link)
Thanks for the setup info MrBubbles. I will have to try this - I have the 5D2 and the 70-200 f/2.8. What post-processing was applied?

First thing was white balance. The originals were quite orange as there is lots of light pollution where I live..close to the NYC area. I adjusted curves...made the stars brighter and the darks darker. Slightly added clarity. For the shot of M42 I threw the photo into Color Efex Pro by Nik software. It has lots of great filters. One of the filters I use on A LOT of photos is "Tonal Contrast". The amount of detail that can be pulled out of a photo with this filter is amazing. However, I used it sparingly for M42. A shot like that can get very noisy with lots of processing.

For Andromeda I basically did the same things but kept it away from the Tonal Contrast filter. The galaxy is harder to see in the color version which is why it has been converted to black and white. In the black and white you can see 'structure' near the bottom of Andromeda which appears as a faint black line.

Good luck in your quest! I am still quite new to all this so I dont know all the answers but I am happy to help out with any info I can!


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Acamacho
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Dec 03, 2011 07:55 as a reply to  @ mrbubbles's post |  #715

Double Cluster:

IMAGE: http://farm8.staticflickr.com/7028/6446268193_177093901a_z.jpg
IMAGE LINK: http://www.flickr.com …excaliber2013/6​446268193/  (external link)
DoubleCluser_50mm (Guest Appearance: Heart and Soul) (external link) by Excaliber2013 (external link), on Flickr

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Russo09
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Dec 04, 2011 20:37 |  #716

The photos in here are amazing...This thread alone has convinced me I need a lens with the capability of taking these kinds of photos. I know what my next paycheck is going towards


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proletsearch
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Dec 05, 2011 14:21 |  #717

The moon, shot taken at the humble 200 mm handheld with no extender or whatsever:
This is a crop from 18 MP to 920x613 px...

IMAGE: https://lh6.googleusercontent.com/-x8tPnu5uSGw/TrwuULi13SI/AAAAAAAACDk/B5oKXEEt4oI/s920/IMG_4716.JPG

And another one from tripod with clearer sky:

IMAGE: https://lh4.googleusercontent.com/-gYKyvaBIjSc/Tt1YYZF1tHI/AAAAAAAACh4/sGoXQ2Yrpv0/s920/IMG_4004.JPG

Canon EOS 600D gripped, Canon EF 70-200 f/2.8L IS Mark II - Youtube (external link):: Flickr (external link)

  
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luigis
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Dec 05, 2011 16:15 |  #718

Todd Lambert wrote in post #13461077 (external link)
A few more:
QUOTED IMAGE

I love this Moon & Venus twilight shot Todd, really fantastic.


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Todd ­ Lambert
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Dec 05, 2011 16:26 |  #719

Thanks Luis!




  
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saiph
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Jan 23, 2012 05:00 as a reply to  @ Todd Lambert's post |  #720

Hey,

I just stumbled upon this thread while looking for some nice astro images. Just Got into the whole astrothing and bought myself an astrotrac for christmas :-)

Here's the very first result, looking forward for more once the clouds went away...

Eos 7D | 200mm 2.8 L at f/3.5 | 20 x 60s stacked

IMAGE: http://farm8.staticflickr.com/7007/6729875067_2b69a86e89.jpg
IMAGE LINK: http://www.flickr.com/​photos/asa7or/67298750​67/  (external link)
Horsehead & Orion Part III (external link) von se.Sh (external link) auf Flickr



  
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You don't need a telescope
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