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Author Topic: Astrophotography  (Read 496 times)

Offline CptTrips

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Astrophotography
« on: July 27, 2008, 09:57:17 PM »

I've been doing some more imaging this weekend for those that are interested...

Here is the Lagoon nebula I captured from a combination of images taken Fri and Sat night.

Modified Canon XTi, TV 102mm
160 x 1 min exposures @ ISO1600
Stacked and processed in ImagesPlus

Small 790x600(656k):
http://jasonirby.net/BitBucket/lagoon_790_600.png

Big 1266x962(1.3mb):
http://jasonirby.net/BitBucket/lagoon_1266_962.png
 

Here is a Jupiter I did last weekend (12" Meade/Skynyx 2-0c):
http://jasonirby.net/BitBucket/Jupiter21Jul08.png


Clear Skies,
Wab
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Offline redman555

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Re: Astrophotography
« Reply #1 on: July 27, 2008, 10:21:53 PM »
TAKE ME 2 YOUR LEADER!  :lol


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Offline yanksfan

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Re: Astrophotography
« Reply #2 on: July 28, 2008, 05:44:12 AM »
Very cool :aok
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Offline Mojava

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Re: Astrophotography
« Reply #3 on: July 28, 2008, 09:05:20 AM »
 Incredible stuff,  that really captures your imagination. 
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Offline Ripsnort

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Re: Astrophotography
« Reply #4 on: July 28, 2008, 09:08:14 AM »
Great nebula shots Wabbit!  :aok
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Offline moot

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Re: Astrophotography
« Reply #5 on: July 28, 2008, 09:31:59 AM »
Nice pics Wab, thanks for sharing. :)
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Offline ChickenHawk

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Re: Astrophotography
« Reply #6 on: July 28, 2008, 11:41:13 AM »
That nebula picture is incredible.

How do you deal with hot pixels from the long exposures? 
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Offline CptTrips

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Re: Astrophotography
« Reply #7 on: July 28, 2008, 03:12:45 PM »
Quote from: ChickenHawk on July 28, 2008, 11:41:13 AM
That nebula picture is incredible.

How do you deal with hot pixels from the long exposures? 



Well, with this image I didn't do anything.  I had enough light frames I didn't need to over push the contract stretch, so if there were any, they are not noticable.  The XTi has extremely low noise anyway and the images were only 1 min long.

The software I use (ImagesPlus) allows you to add dark and flat frames for calibrating a file set, but after some initial processing I decided I didn't need to do either.  I did note the air temp during those exposures.  If I was seeing hot pixels when I got home I would have put the camera out on the patio and captured some dark frames to calibrate with at close to the same temp.

Clear Skies,
Wab
 
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Offline ghi

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Re: Astrophotography
« Reply #8 on: July 28, 2008, 03:24:18 PM »
nice deep space pics!
 What a poor greedy small ants we are, still fighting each other and digging for oil down here!
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Offline CptTrips

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Re: Astrophotography
« Reply #9 on: July 28, 2008, 03:27:10 PM »
Quote from: ghi on July 28, 2008, 03:24:18 PM
nice deep space pics!
 What a poor greedy small ants we are, still fighting each other and digging for oil down here!



"Yeah, kinda make ya think, doesn't it?

So! Can we have your liver?"

 :aok


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Offline Denholm

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Re: Astrophotography
« Reply #10 on: July 28, 2008, 03:52:41 PM »
Never could get any telescope to work for me. :(
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Offline trax1

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Re: Astrophotography
« Reply #11 on: July 28, 2008, 04:17:35 PM »
Great pics, I've been meaning to get my telescope out lately since it's nice out, I've always had a fascination with anything to do with space, I got to see my first planet with it this winter during the lunar eclipse we had, saw Saturn as it was right next to the moon that night.
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Offline AKIron

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Re: Astrophotography
« Reply #12 on: July 28, 2008, 06:05:18 PM »
I bet it's an awesome feeling taking pictures like that yourself. Knowing first hand that those celestial bodies really exist like we see in pictures taken by others.   :aok
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Offline Motherland

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Re: Astrophotography
« Reply #13 on: July 28, 2008, 06:09:26 PM »
Quote from: AKWabbit on July 28, 2008, 03:27:10 PM

"Yeah, kinda make ya think, doesn't it?

So! Can we have your liver?"

 :aok




:rofl


Just imagine... each of those tiny little white circles are larger than everything any of us have ever known...
« Last Edit: July 28, 2008, 06:11:00 PM by Motherland »
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Offline RATTFINK

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Re: Astrophotography
« Reply #14 on: July 28, 2008, 06:15:18 PM »
I will not look at another mans nebula... no thank you...
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