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ASTRO: M-3 Globular Star Cluster in Canes Venatici



 
 
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  #1  
Old October 16th 07, 02:59 AM posted to alt.binaries.pictures.astro
George Normandin[_1_]
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Default ASTRO: M-3 Globular Star Cluster in Canes Venatici

I've not had much time for imaging of late, but here's a short exposure from
July 2007. It's a little noisy since it's only three 5 minute exposures
(RGB). Taken with SBIG STL-1301E CCD camera, Kopernik Observatory's 20-inch
RC, and my home-made focal reducer cutting the scope down to about F/5.

George N




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  #2  
Old October 16th 07, 04:13 PM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
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Default ASTRO: M-3 Globular Star Cluster in Canes Venatici



George Normandin wrote:

I've not had much time for imaging of late, but here's a short exposure from
July 2007. It's a little noisy since it's only three 5 minute exposures
(RGB). Taken with SBIG STL-1301E CCD camera, Kopernik Observatory's 20-inch
RC, and my home-made focal reducer cutting the scope down to about F/5.

George N


That's one that keeps escaping me. Like M13, I just posted, I keep
taking it to no avail. Now it's too low. I'll try again next year. My
seeing just isn't up to globulars but a couple times a year.

Rick

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Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".

  #3  
Old October 16th 07, 08:01 PM posted to alt.binaries.pictures.astro
Stefan Lilge
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Default ASTRO: M-3 Globular Star Cluster in Canes Venatici

George, good result in such a short time. Looks a bit too red to me but it
nicely shows the different populations of stars in a glob.

Stefan

"George Normandin" schrieb im Newsbeitrag
...
I've not had much time for imaging of late, but here's a short exposure
from July 2007. It's a little noisy since it's only three 5 minute
exposures (RGB). Taken with SBIG STL-1301E CCD camera, Kopernik
Observatory's 20-inch RC, and my home-made focal reducer cutting the scope
down to about F/5.

George N



  #4  
Old October 17th 07, 12:27 AM posted to alt.binaries.pictures.astro
Doug W.
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Posts: 264
Default ASTRO: M-3 Globular Star Cluster in Canes Venatici

Good shot George.. a bit red overall.

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Regards, Doug W.
www.photonsfate.com
"George Normandin" wrote in message
...
I've not had much time for imaging of late, but here's a short exposure
from July 2007. It's a little noisy since it's only three 5 minute
exposures (RGB). Taken with SBIG STL-1301E CCD camera, Kopernik
Observatory's 20-inch RC, and my home-made focal reducer cutting the scope
down to about F/5.

George N




  #5  
Old October 17th 07, 02:35 AM posted to alt.binaries.pictures.astro
George Normandin[_1_]
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Posts: 1,022
Default ASTRO: M-3 Globular Star Cluster in Canes Venatici


"Rick Johnson" wrote

That's one that keeps escaping me........


Rick,

It was pretty low when I did this image back in July. I was really after
a comet that was near the cluster, but the comet image came out poorly.

George N


 




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