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28-12-2014, 10:07 AM
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Registered User
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Join Date: Jul 2008
Location: Melbourne, Australia
Posts: 633
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I'll see your 20" with my 12" CDK!
Interesting to compare for me. Yours is lovely and smooth, but mine with only 5 x 20min subs, is noisy. It was taken in Melbourne the previous night mostly through clouds. :-(
https://farm9.staticflickr.com/8669/...77875a7b_o.jpg
Nice work Mike.
Steve
Last edited by stevous67; 04-01-2015 at 09:06 AM.
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28-12-2014, 12:16 PM
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PI cult member
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Join Date: Dec 2012
Location: Flaxton, Qld
Posts: 2,078
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Nice image and thanks for the extra info as well - very interesting.
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28-12-2014, 12:26 PM
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Registered User
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Join Date: Sep 2005
Location: Melbourne
Posts: 1,481
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That's a great image and the reality of it kick in when you look at the full resolution image - this appears very much like the photo from the 200" Palomar telescope which appears in Burnham's Celestial Guidebook.
Have just looked at your photo album - some great photos there taken with your 20"
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28-12-2014, 05:43 PM
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Narrowing the band
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Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
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Quote:
Originally Posted by stevous67
I'll see your 20" with my 12" CDK!
Interesting to compare for me. Yours is lovely and smooth, but mine with only 5 x 20min subs, is noisy. It was taken in Melbourne the previous night mostly through clouds. :-(
https://farm9.staticflickr.com/8669/...00f0f20a_o.jpg
Nice work Mike.  Steve
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Thanks Steve. You got three of the four HH's in that short time. A very nice shot. You must be pleased.
Quote:
Originally Posted by lazjen
Nice image and thanks for the extra info as well - very interesting.
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Thanks Chris. Cheers!
Quote:
Originally Posted by John K
That's a great image and the reality of it kick in when you look at the full resolution image - this appears very much like the photo from the 200" Palomar telescope which appears in Burnham's Celestial Guidebook.
Have just looked at your photo album - some great photos there taken with your 20"
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Thanks John, that's very kind. I like your "Go away clouds" logo. The monsoon seems to have truly reached us here at Placidus. The dams are full and the grass is green, but no more photography.
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28-12-2014, 07:29 PM
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Highest Observatory in Oz
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Join Date: May 2006
Location: Canberra
Posts: 17,689
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Can I have your telescope please Mike?
Up close it has a few artifacts but sheesh very few images don't  , a great narrow field Ha Horsey Mike
Mike
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28-12-2014, 09:21 PM
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Registered User
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Join Date: Jul 2011
Location: Melbourne, Australia
Posts: 230
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Hi Mike
It’s really interesting to compare how different sized instruments handle the same object. This was taken on December 26th and 27th from inner Melbourne suburbs with a 10” RC, STL-11000. A little more data would always be nice so I can stretch the #@!! out of it. Sadly, Melbourne’s weather has not been kind to imagers. Yes, I know – that crazy bright star has played havoc with the image. It’s just on the edge, but that is where the guide star god has led me.
https://farm9.staticflickr.com/8668/...1e854652_o.jpg
Thanks for sharing Mike, and nice work.
Terry
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28-12-2014, 10:23 PM
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Narrowing the band
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Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
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Quote:
Originally Posted by strongmanmike
Can I have your telescope please Mike?  Up close it has a few artifacts but sheesh very few images don't  , a great narrow field Ha Horsey Mike  Mike
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Thanks, Superman! I'm going to have to work on those decon haloes. Know how. Just getting off me bum and writing the code.
Quote:
Originally Posted by TR
Hi Mike, It’s really interesting to compare how different sized instruments handle the same object. This was taken on December 26th and 27th from inner Melbourne suburbs with a 10” RC, STL-11000. A little more data would always be nice so I can stretch the #@!! out of it. Sadly, Melbourne’s weather has not been kind to imagers. Yes, I know – that crazy bright star has played havoc with the image. It’s just on the edge, but that is where the guide star god has led me.
https://farm9.staticflickr.com/8668/...1e854652_o.jpg Thanks for sharing Mike, and nice work. Terry
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Hi, Terry,
Educational. I downloaded and registered your image to mine and did a blink test. Very nice work! Your stars are virtually identical to mine (ignoring my decon haloes), and the brighter parts of the nebulosity are very similar. On a super-bright object, at sea level in ordinary seeing (with no adaptive optics, no video lucky imaging) a 6" refractor would out-perform the 20". The big scope and dark site come into their own on the ridiculously faint stuff, such as the faintest nebulosity in the bottom half of the image, which is either gritty, or just not there at all, in an equivalent exposure from a small instrument in the suburbs.
Cheers, Mike.
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08-01-2015, 10:38 PM
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Registered User
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Join Date: Apr 2007
Location: Cherrybrook, NSW
Posts: 5,013
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What an amazing monochrome Horse Head photo Mike.
Great detail, so sharp and beautiful tones.
Love it!
Ross.
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09-01-2015, 05:24 PM
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Regulus - Couer de Leon
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Join Date: Nov 2011
Location: Devonport, Tasmania
Posts: 2,350
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I can't believe I missed this when you first posted. Fantastic image Mike.
Trevor
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09-01-2015, 05:55 PM
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Narrowing the band
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Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
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Quote:
Originally Posted by Ross G
What an amazing monochrome Horse Head photo Mike. Great detail, so sharp and beautiful tones. Love it! Ross.
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Cheers, Ross, my tail is wagging!
Quote:
Originally Posted by Regulus
I can't believe I missed this when you first posted. Fantastic image Mike. Trevor
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Thanks Trevor, very kind.
Wish this area had more OIII or SII in it. Might have to consider something evil like Halpha-RGB.
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