ICEINSPACE
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Moon Phase
CURRENT MOON
Waning Crescent 27.3%
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27-02-2008, 10:11 AM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,472
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Star colours
I managed to squeeze a couple old friends here into the one frame.
The Jewel box and Beta Crux (note the very red carbon star next to Beta)
http://www.atscope.com.au/BRO/images/southernjewels.jpg
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27-02-2008, 10:14 AM
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Starcatcher
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Join Date: Dec 2006
Location: Gerringong
Posts: 8,548
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Nice Peter. My favourite open cluster and DY Crucis is becoming an old friend I always look for - so red. 
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27-02-2008, 06:39 PM
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accepts all donations
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Join Date: Feb 2006
Location: Braidwood (outskirts)
Posts: 2,281
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Beautiful,
This is the second time I get caught looking at one of your shots and as the image downloads, it does one "pass" which reveals a low res image then a second pass which reveals the details, At which point I think "wow!" and then...a third pass (unexpected) revealing amazing detail and the tiniest of stars...
absolutely impressive!
frank
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27-02-2008, 07:54 PM
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Sir Post a Lot!
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Join Date: Sep 2004
Location: Gosford, NSW, Australia
Posts: 36,799
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I love this type of image, loads of star, lots of colour, and the jewelbox as my favourite cluster. It doesn't get much better.
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27-02-2008, 08:52 PM
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Registered User
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Join Date: Apr 2006
Location: Warrnambool
Posts: 12,800
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Hmmm. Peter, It must be monitor as this one, although very nice shows heaps of noise on the left hand side, and a very blue overcast of the whole image.
Lets say that I took this image, maybe I would be wrong, but I would make it darker, because I do prefer it that way, but that is only IMHO.
Leon
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27-02-2008, 09:07 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,472
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No worries Leon. I know this image does not have a lot of noise, but you may be seeing .jpeg compression artifacts. I'm using a 23" Apple Cinema LCD display. I suspect you are using a CRT.
Right Click on your desktop, you should see a display properties pop up.
Click on settings. ramp it up to, well at least 1280 horizontal or to the maximum your display card allows...as well as setting at least 24 bit colour.
Quote:
Originally Posted by leon
Lets say that I took this image, maybe I would be wrong, but I would make it darker, because I do prefer it that way, but that is only IMHO.
Leon |
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27-02-2008, 09:26 PM
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Brave Sir Robin
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Join Date: Mar 2005
Location: Warrnambool,Victoria
Posts: 489
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Ive seen that carbon star many times Peter, its one of my fave objects. Beautiful image, countless stars.
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27-02-2008, 09:47 PM
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Registered User
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Join Date: Apr 2006
Location: Warrnambool
Posts: 12,800
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Peter, I am using a LCD screen display screen and it is set on 1400 x 900 resolution and is running at 32 bit colour, maybe mine is a little high.
Leon
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27-02-2008, 09:58 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,472
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Quote:
Originally Posted by leon
Peter, I am using a LCD screen display screen and it is set on 1400 x 900 resolution and is running at 32 bit colour, maybe mine is a little high.
Leon
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If that's your native screen res, it has me tossed then. I'm running 1920 x 1200, 32 bit & looks O.K. here.
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27-02-2008, 11:25 PM
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Support your local RFS
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Join Date: May 2006
Location: Wamboin NSW
Posts: 12,405
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A lovely image Peter, the colours stand out beautifully.
Cheers
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28-02-2008, 02:48 PM
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Registered User
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Join Date: Apr 2006
Location: Warrnambool
Posts: 12,800
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Peter, don't get me wrong here, I have just had another good look at your image, and I'm not having a shot at your image, I'm sure you are more experience than me, however the way it appears on my screen is very over exposed, visually, and heaps of noise.
Like I said earlier it may be my monitor, it is only new, and it is suggested that I run it at the set resolution of 1400 x 900 etc.
I have been caught out before with making my images way to dark, and because I'm probably not very experienced in the way I look at star images I see others that are very light and think it is noise that I am looking at, where in fact all that stuff has to be there.
So, all in all your image is probably supposed to look the way it dose, and I have to get some more time under my belt and do some experimenting, with the processing side of things.
Cheers Leon
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28-02-2008, 04:05 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,472
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Hello Leon,
Try this link. http://www.atscope.com.au/BRO/gallery1.html
I've placed the image on a web page with a gray scale. Black should be black, whites white.
Quote:
Originally Posted by leon
Peter, don't get me wrong here, I have just had another good look at your image, and I'm not having a shot at your image, I'm sure you are more experience than me, however the way it appears on my screen is very over exposed, visually, and heaps of noise.
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Just as an afterthought....it's quite a deep image & they are thousands of stars in the background....you are not confusing them with noise are you?
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28-02-2008, 04:53 PM
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Registered User
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Join Date: Apr 2006
Location: Warrnambool
Posts: 12,800
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Peter, having another look, and also at your scale that you offered, i feel a little silly to have questioned your image. 
Comparing the scale, and the image, yep, it is pretty right, and I would expect that from you, but i needed to ask.
Leon
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