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03-02-2008, 11:55 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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Tarantula region - a few different views
Hi guys
Long time since my last image post, 4 months I think? Life has had its road spikes chucked out under my feet so sorry for my absence.
Anyway, here is last weekends effort on the Tarantula Nebula region of the LMC.
I managed to get a totally clear night from dusk till dawn last Saturday night, shame a 70% moon rose around midnight though. Given the LMC was cullminationg around 10pm'ish I decided to point at it for a few hours once it got dark. The seeing was quite good for Newcastle but being in the direction of the significant Newcastle light dome, gradients were a hassle later in the session for the Red Green and particularly Blue shots  (oh sigh.. to have a one shot DSLR....) but I tried not to over process, a look gradient removal filters tend to give if you aren't careful, playing conservative with gradient removal and I think the results are acceptable..?
The seeing was quite good initially but improved to excellent as the evening wore on. I also shot the Lum and Ha while the region was at its higher altitude above the horizon so as to get the best possible resolution and I think this paid off..? As usual, I have pushed the data a bit at times and thus walked the tightrope between extracting detail and increasing noise
It was a balmy summer night with the ambient air temp at 24C for the first sub frame and droping to about 19C by the last several hours later. This was a good night to be thankfull for the super cooling capablities of the FLI camera which can cool the chip some 60C below the ambient temp so I still managed to image at a chip temp of -35C all night, this allowed me to keep using the one and only set of 10min darks I've ever taken (Mr Lazy) ...and stay in my shorts and T-shirt till dawn  ....a few mozies though
I have provided links below to a few different versions of the data and each image is between 1 and 2 meg in size so may take some time to download on dial up (like I have...DOH!!) with broadband you will have no worries
Hope you like'em
HaRGB full frame:
http://www.pbase.com/strongmanmike20...57472/original
HaRGB cropped close up taken from full frame image:
http://www.pbase.com/strongmanmike20...58914/original
LHaRGB Full frame:
http://www.pbase.com/strongmanmike20...59844/original
Halpha only full frame:
http://www.pbase.com/strongmanmike20...11408/original
Luminance (Luminance+Halpha+Red = 3hrs):
http://www.pbase.com/strongmanmike20...39014/original
For those of you who aren't familiar with my setup here it is:
http://www.pbase.com/strongmanmike20...03751/original
Hope it isn't as long till the next image
Mike
Last edited by strongmanmike; 04-02-2008 at 12:17 AM.
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04-02-2008, 12:13 AM
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Doug Edwards
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Join Date: Sep 2007
Location: Brisbane
Posts: 677
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Wow!
That is the best Tarantula I've seen,
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04-02-2008, 12:27 AM
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I HATE COMA!
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Join Date: Jan 2006
Location: Melbourne, Victoria
Posts: 3,208
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04-02-2008, 01:14 AM
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Who knows
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Join Date: Oct 2004
Location: Blackwood South Australia
Posts: 3,051
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This is one superb image set. I really like the LHaRGB image. Certainly of the best tarantula image I have seen from any amateur across the globe. very sharp image and looks really similar to the image I see in my SDM. I don't often see great images but this in one of them. Well done and very masterful.
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04-02-2008, 01:35 AM
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Registered User
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Join Date: Sep 2006
Location: Melbourne, Victoria
Posts: 3,916
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The Ha only and HaRGB do it for me Mike. Very impressive work. IMHO, I feel you could have managed the luminance images better. The intricate details on the highlights look washed and lost. Thanks for sharing this master piece, please don't take too long to deliver the next dazzling blow. Look forward to seeing what you'll cook up next.
Cheers
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04-02-2008, 05:18 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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WOW! Extraordinary image, Mike!
I was chatting to Dave and Petra the other day, and we both commented on your absence.. and now here you are with a ripper of an image as a welcome back!
Stunning result.
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04-02-2008, 07:40 AM
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Moderator
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Join Date: Apr 2005
Location: NEWCASTLE NSW Australia
Posts: 33,429
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I can honestly say you worked damn hard for that shot, I think I can almost count on one hand the amount of clear nights we have had in the Hunter this summer. I do agree - shorts and tshirt in an area known for mozzies is a brave move ;-).
Fantastic result Mike
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04-02-2008, 08:26 AM
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Registered User
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Join Date: Feb 2005
Location: Launceston Tasmania
Posts: 9,021
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The detail is incredible Mike, looks almost 3 dimensional. Good to see you back
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04-02-2008, 08:58 AM
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Barb and David
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Join Date: May 2006
Location: Warragul. Victoria.
Posts: 2,293
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Very spectacular image Mike. So much detail in the outer areas lots to take in. Nice colour balance also, not over saturated very subtle.
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04-02-2008, 02:02 PM
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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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Oooo Yeah!! Definitely pay that one Mike
I actually prefer the shot with the lum data - I like seeing more stars in this gorgeous field. I'd also experiment with increasing the colour saturation - just a tad.
Makes me want to try out my new Ha filter! Unfortunately I'll be selling my entire system soon - the permanent cloud cover over Sydney these days has made my equipment look like Paris Hilton at an Astrophysics convention - nice to look at but completely useless!
Welcome back!
Cheers, Marcus
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04-02-2008, 08:10 PM
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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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Top of the class Mike.
Absolute rippa, well done and look forward to more.
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04-02-2008, 08:20 PM
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Registered User
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Join Date: Oct 2006
Location: Australia
Posts: 4,646
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Lovely images Mike. You have definitely raised the bar a lot for us mere mortals.
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04-02-2008, 08:45 PM
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Spam Hunter
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Join Date: Jun 2005
Location: Oberon NSW
Posts: 14,438
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 Wow, Mike!
Your work never fails to impress me!
Al.
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04-02-2008, 09:01 PM
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Narrowfield rules!
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Join Date: Nov 2006
Location: Torquay
Posts: 5,065
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And the blue halos?, bah, you need an RC ;-)
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04-02-2008, 10:31 PM
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Registered User
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Join Date: Jul 2005
Location: maryland newcastle AUSTRALIA
Posts: 1,852
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welcome to the home of the mozzie, brilliant shot mike got to be the best i have seen
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04-02-2008, 11:12 PM
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Registered User
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Join Date: Aug 2006
Location: sa
Posts: 355
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Very nice mike welcome back!
But are you going to tell us about the asa story?
Come on mike quit the mystery and spill the beans.
CHEERS SKELTY
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04-02-2008, 11:28 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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Thankyou everyone for your compliments on my latest image. You are all too kind (except bitter and twisted, long focal length Fred  )
Jase: you are quite right I wasn't totally happy with the combines either but I have learned to be happy with mediocrity
Marcus: I also like stars in the image and I agree I would have liked a little more saturation too but my HaRGB combine technique wouldn't allow any improvement in the saturation without screwing up the image  .
Thanks again everyone
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05-02-2008, 05:37 PM
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Love reflection Nebs !
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Join Date: Aug 2006
Location: Streaky Bay
Posts: 1,070
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Hey Mike,
nice to see you getting the gear out!!
Aint that typical of woman (sorry if there's any woman reading this ... no offense  ..... really  )
Who knows buddy, you might be movin' back to imagers mecka... dough 
Geeeeezzzzz mate, go figure.....
Look forward to some more of your hi res images from the coast.
All the best
Rich
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05-02-2008, 08:28 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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Arrrrgggggg
Quote:
Originally Posted by richardo
Hey Mike,
nice to see you getting the gear out!!
Aint that typical of woman (sorry if there's any woman reading this ... no offense  ..... really  )
Who knows buddy, you might be movin' back to imagers mecka... dough 
Geeeeezzzzz mate, go figure.....
Look forward to some more of your hi res images from the coast.
All the best
Rich
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Hi Richi
Yes I am sitting here right now shaking my head in dissbelief that my wife insisted and dragged me to this weather ****e hole only to land herself a job that takes her back to Canberra for much of the year (she is there at the moment actually)
While I seriously did contemplate it, we can't really move back to Canberra, just not financially viable now and my son is doing well at his new school here. I have a crap job and my ASA dream was completely shattered (screwed me emotionally and financially actually) so sigh... here I sit all depressed with only a Starfire APO and FLI PL11002 to hammer away with...under regularly cloudy, salty, moisture laden sea level skies with no observatory
Mike
Last edited by strongmanmike; 05-02-2008 at 10:13 PM.
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05-02-2008, 09:46 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,484
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Quote:
Originally Posted by strongmanmike
so sigh... here I sit all depressed with only a Starfire APO and FLI PL11002 to hammer away with...under regularly cloudy, salty, moistier laden sea level skies
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Ah...luxury lad...luxury.... I sit here, with gear and weather similar to the above, plus a few gigawatts of outdoor lights to boot.
Nice spider by the way. Good to see it wasn't blue
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