ICEINSPACE
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Moon Phase
CURRENT MOON
Waning Gibbous 98.7%
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17-03-2010, 06:02 AM
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IIS Member #671
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Join Date: Dec 2005
Location: Canberra
Posts: 11,159
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NGC 4945 in Centaurus
All,
My first target at Snake Valley.
I was tempted to move to ten minute exposures but wasn't game at the time, so, opted for 5 minute exposures and *gasp, shock, horror* ISO-800. I won't be doing that again, and, indeed didn't for the rest of the star party.
I will re-do this once the STL-11000M arrives, or, if I get a chance to image before then, I will go at it with 10-minute exposures to try and bring out the stellar nurseries.
Read and view here.
Comments, critique, etc., welcome.
Note: I fumbled my way in the dark and didn't put the cotton thread on orthogonally and have therefore ended up with the diffraction spikes as is. I rotated the image in Photoshop but it ended up being over 4-degrees out and as such too much of the image would have had to have been cropped. I just left them.
H
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17-03-2010, 06:04 AM
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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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Lovely image, H. It feels like it's been a while since you've been out there.
The star field and star colours are beautiful. The galaxy itself feels a bit yellow to me but that's only a minor thing for me.
Very nice.
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17-03-2010, 06:11 AM
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Registered User
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Join Date: Jan 2008
Location: Werribee, Australia
Posts: 1,053
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H,
Your a very hard task master, The star field and Galaxy have detail galore! Guiding looks spot on and the colours just jump out at you!
My wife says the angle of the diffraction spikes fits with the framing and your target.
A very nice image indeed!
Darren
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17-03-2010, 08:14 AM
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Registered User
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Join Date: Jan 2009
Location: Glenhaven
Posts: 4,161
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Ahhh....
Date: Saturday, August 13th, 2010
You've found that Tardis everyone is wants?
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17-03-2010, 09:09 AM
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Canis Minor
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Join Date: Jun 2007
Location: Strangways, Vic
Posts: 2,214
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Very nice. And I quite like the diffraction spikes at a bit of a tilt.
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17-03-2010, 09:10 AM
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Registered User
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Join Date: Feb 2006
Location: Sydney
Posts: 18,165
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Fabulous image. Really well done.
Greg.
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17-03-2010, 09:17 AM
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ze frogginator
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Join Date: Oct 2007
Location: Sydney
Posts: 22,077
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Great details in the dust lanes. Lovely star colors too on the overall field. 
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17-03-2010, 10:03 AM
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Registered User
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Join Date: Jan 2009
Location: Adelaide
Posts: 9,989
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H,
nice star colours but the galaxy looks overly orange to me. Maybe a slightly tigher crop would enhance the scale of the image.
I like the angle of the diffraction spikes.
A field flattener would also help make the image too.
Overall I really like the image but just some minor clean ups really.
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17-03-2010, 10:22 AM
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Registered User
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Join Date: Jan 2006
Location: E.P. S.A.
Posts: 4,963
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Good to see another of your classy images Humayun.
IMO it may be over saturated, which is adding the yellow/orange colour to the galaxy, as the blue stars look very blue also. Having said that, I like it a lot.
All the best.
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17-03-2010, 10:33 AM
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Registered User
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Join Date: Aug 2009
Location: Waitakere Ranges, New Zealand
Posts: 2,260
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Wonderful image Humayun. I really like it. I would suspect the reddish colour of the galaxy is due to obscuring dust, being in Centaurus?
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17-03-2010, 01:29 PM
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Starcatcher
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Join Date: Dec 2006
Location: Gerringong
Posts: 8,547
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Humayun, your location was more Snake Valley than Linton. If you want to be more specific you could say "Crystal Lake Cabins, near Snake Valley"! 
That's a great start to the weekend's images!
Last edited by erick; 18-03-2010 at 12:04 AM.
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17-03-2010, 02:16 PM
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Registered User
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Join Date: Aug 2006
Location: Western Australia
Posts: 8,235
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Top shot H
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17-03-2010, 05:07 PM
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Registered User
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Join Date: May 2005
Location: Perth, WA
Posts: 228
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Great capture! looking forward for the STL version
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17-03-2010, 05:43 PM
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Bust Duster
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Join Date: Nov 2008
Location: Brisbane, Australia
Posts: 4,846
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Magical. I like the way you've retained the star colours. Great detail.
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17-03-2010, 09:48 PM
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Highest Observatory in Oz
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Join Date: May 2006
Location: Canberra
Posts: 17,622
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What a lovely shot Humi, beautifuly framed and processed like a pro I agree the spikes look perfectly fine.
NGC 4945 is a very dusty seyfert galaxy so should be pretty much this colour. I would still probably blue tweek it just a tad though...
Blue Mike 
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17-03-2010, 10:39 PM
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Like to learn
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Join Date: Jul 2007
Location: melbourne
Posts: 4,835
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Love the spikes, love the colors ,hurry up with the new CCD !
I'm sad I missed Snake Valley..........
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18-03-2010, 09:01 AM
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Billions and Billions ...
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Join Date: Mar 2007
Location: Quialigo, NSW
Posts: 3,142
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A very beautiful image Humayun!! Great framing and the colour looks good.
Cheers, Marcus
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18-03-2010, 12:33 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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Very nice H.
I can't wait to see your images with the Sbig.
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18-03-2010, 03:47 PM
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Canon collector
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Join Date: Oct 2005
Location: Taylors Lakes Melb
Posts: 1,965
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Stunning image there H , just beautiful and love the spikes.
Cheers Daniel.
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18-03-2010, 09:48 PM
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Registered User
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Join Date: Oct 2008
Location: Sydney
Posts: 1,804
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Stunning really! The clarity of the image and the sharpness of the stars seems to be a signature of yours! 
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