ICEINSPACE
Moon Phase
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21-03-2010, 10:04 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,475
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Tedious...another M83 (sort of repro)
Managed to combine a tad of new STX luminance data with my older image of this delightful southern spiral.
http://www.atscope.com.au/BRO/gallery19.html
Last edited by Peter Ward; 21-03-2010 at 11:16 PM.
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21-03-2010, 10:28 PM
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IIS Member #671
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Join Date: Dec 2005
Location: Canberra
Posts: 11,159
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Peter,
Nothing much to say other than that is magnificent.
Utterly stunning. I'm in love with this galaxy!
H
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21-03-2010, 11:07 PM
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Mostly harmless...
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Join Date: Jul 2008
Location: Brisbane, Australia
Posts: 5,735
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Yum. Very tasty delight served to perfection there thank you Peter. 
Its just mesmerising to see the detail towards the core of M83
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21-03-2010, 11:36 PM
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Registered User
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Join Date: Feb 2008
Posts: 1,223
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That is excellent, for sure!  Certainly not tedious, I don't think anyway.
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22-03-2010, 08:50 AM
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ze frogginator
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Join Date: Oct 2007
Location: Sydney
Posts: 22,080
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That looks great. The colors are superb.
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22-03-2010, 09:36 AM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,475
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Thanks guys.
It's I tough subject from the 'burbs.
Unfortunately the surrounding sky looks a bit ordinary & is artifically dark due gradients. The extra QE of the KAF16803 pulled in a bit more detail within the galaxy  ..... It will be interesting to see how it performs with a filter set (still a few weeks away...)
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22-03-2010, 10:06 AM
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Registered User
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Join Date: May 2005
Location: Brisbane
Posts: 4,485
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Really nice shot, Peter. I really cant find the words as its far above what I can aspire to doing. Lovely detail etc and processing. Like Humayun, I just love this galaxy.
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22-03-2010, 10:47 AM
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Registered User
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Join Date: Aug 2006
Location: Western Australia
Posts: 8,281
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Very fine image this one
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22-03-2010, 10:59 AM
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Registered User
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Join Date: Oct 2008
Location: Sydney
Posts: 1,810
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Very nice! Just one comment - are the stars a bit blocky? Is this undersampled or is it just my monitor? Apart from that amazing really..
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22-03-2010, 07:36 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,475
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Quote:
Originally Posted by CoolhandJo
Very nice! Just one comment - are the stars a bit blocky? Is this undersampled or is it just my monitor? ...
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There are lots of things I'd like to improve here, but the sampling was just fine... Key "twilight-zone" music. Adjust your television set
Last edited by Peter Ward; 22-03-2010 at 07:41 PM.
Reason: typo
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22-03-2010, 07:48 PM
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Registered User
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Join Date: Aug 2005
Location: Melbourne
Posts: 1,696
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Hi Peter,
It's a fine picture, but just a tad over processed IMHO. The dark lanes and detail in the galaxy show some sharpening or deconvolution artifacts. More data is the key, this one really responds to lots of data.
Cheers
Stuart
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22-03-2010, 08:17 PM
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ph0t0n3la5t3r
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Join Date: Feb 2008
Location: brisbane australia
Posts: 256
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Incredible detail peter! Stunning image, love your work
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22-03-2010, 09:19 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,475
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Quote:
Originally Posted by rat156
............ this one really responds to lots of data.
Cheers
Stuart
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Yep. 4 months and counting for filters....sigh....
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22-03-2010, 11:15 PM
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Registered User
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Join Date: Aug 2005
Location: Hahndorf, South Australia
Posts: 4,373
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Beautiful and very smooth Peter.
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23-03-2010, 07:55 AM
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Registered User
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Join Date: Aug 2005
Location: Melbourne
Posts: 1,696
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Quote:
Originally Posted by Peter Ward
Yep. 4 months and counting for filters....sigh....
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Well, you should have plenty of Luminance data by then...
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23-03-2010, 08:07 AM
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Billions and Billions ...
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Join Date: Mar 2007
Location: Quialigo, NSW
Posts: 3,143
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Ah yes, tedious indeed - I get so tired seeing stunning images Peter. You and Tom need to cut it out!
Cheers, Marcus
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23-03-2010, 08:19 AM
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Registered User
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Join Date: Feb 2009
Location: Inkom, ID USA
Posts: 589
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Whoa!! That is an incredible image!!
Tom
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23-03-2010, 10:29 AM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,475
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Quote:
Originally Posted by marc4darkskies
Ah yes, tedious indeed - I get so tired seeing stunning images Peter. You and Tom need to cut it out!
Cheers, Marcus
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 Nah...still needs some work....the galaxy looks OK, but the field stars/background is buggered due gradients.
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23-03-2010, 12:27 PM
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Registered User
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Join Date: Jan 2009
Location: Adelaide
Posts: 9,991
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Looks pretty good given the sky conditions that you are dealing with. The colours are superb.
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23-03-2010, 12:28 PM
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Registered User
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Join Date: Oct 2008
Location: Sydney
Posts: 1,810
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Quote:
There are lots of things I'd like to improve here, but the sampling was just fine... Key "twilight-zone" music. Adjust your television set
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I couldn't work out why it looked blocky on my screen. So based on your comments I zoomed in on your image and you are absolutely right - no trace of undersamping! But as it's displayed on your website the stars just looked to be for some reason?
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