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Old 15-04-2010, 10:58 PM
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JD2439975 (Justin)
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LDN323 centered wide field

OK there's more interesting objects in this wide-field than "The black hole of Calcutta" but it's closest to the center so...

Sunday evening proved to be quite clear so despite a late setup I thought Id give it a go just to be out under the stars for a change.
Started badly with the old Vaio laptop dying a sudden death but I pushed on with the ED80 unguided on a bunch of M80's in Virgo...not happy with the outcome so you won't be seeing those.

So I gave my new 50mm f/1.8 a go, the Tamron has proved to be crap no matter what F ratio or FL I try.
Temp was 26 deg ALL night with 98% RH, with the dew point only half a degree away I'm really glad I invested in dew heaters...gotta love the tropics.

14x5min lights, 15 darks, ISO800 at f/8, uncropped.
In hindsight should have gone for f/5 maybe? this lens is far superior to the Tamron at keeping round stars to the edges.
Lost a bunch of the latter subs to lightning (the ultimate in flash photography) and clouds, hence more darks than lights.

"Slightly" larger image Here (damn freeby Photobucket resize)

C & C welcomed.

Justin
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  #2  
Old 15-04-2010, 11:11 PM
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trent_julie
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Now that in my opinion is excellent, great work

Trent & Julie
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Old 16-04-2010, 02:20 AM
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bmitchell82 (Brendan)
Newtonian power! Love it!

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Not a bad crack of the whip there Justin. I always belive that lens's work really well for this kinda thing. I took a image like this but on a bit bigger scale before the 40d was modified but i was in the center of Australia some 800m above sea level. that was special
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Old 16-04-2010, 09:54 AM
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mswhin63 (Malcolm)
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That is brilliant piece of work, I am considering this type of photography as my next step in deep space after star trails, It will be amazing to capture something of this quality (if I can).
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Old 16-04-2010, 01:44 PM
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bmitchell82 (Brendan)
Newtonian power! Love it!

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its serprizingly easy to capture this kind of data with even a modest lens and dslr! once you introduce tracking things take a whole big step up.
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Old 16-04-2010, 03:01 PM
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JD2439975 (Justin)
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Thank you Trent & Julie, glad you like it.

Brendan I'm chuffed with the little "nifty/thrifty fifty" lens, for such a cheap lens it has great performance & I'd recommend it to anyone wanting to do widefields on the cheap.
Mmmm...dry desert air at altitude...NICE!!

Malcolm even a modest tracking mount without guiding would see you right with wide field imaging, would take you from a few seconds to a few minutes exposure time easily.
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