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ASTRO: Comet C/2006 M4 (SWAN) imaged at 0:50 UT Nov 22, 2006.



 
 
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  #1  
Old November 23rd 06, 03:36 AM posted to alt.binaries.pictures.astro
George Normandin[_1_]
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Posts: 1,022
Default ASTRO: Comet C/2006 M4 (SWAN) imaged at 0:50 UT Nov 22, 2006.

Image is made from ten 45-second exposures with an SBIG STL-1301E thru a
20-inch F/8.1 RC Cass. Field of view is about 15x15 arc minutes. This comet
continues to fade, but it was easy to see visually in a 8-inch F/6 Dob that
my friends and I were using. We also had our 6-in Astrophysics refractor on
the comet and there were a few other scopes around including a C-9.25, and a
JMI 12.5-inch NGT. We finally had a clear night in Binghamton NY with a nice
bright Milky Way stretched across the sky until the clouds came in again
around 1am local time. It's pretty easy to get low temps on a CCD camera
when the air temp is -5C.

George N




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  #2  
Old November 23rd 06, 04:03 AM posted to alt.binaries.pictures.astro
Richard Crisp[_1_]
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Default ASTRO: Comet C/2006 M4 (SWAN) imaged at 0:50 UT Nov 22, 2006.

looks good to me George and at least you got it!

"George Normandin" wrote in message
...
Image is made from ten 45-second exposures with an SBIG STL-1301E thru a
20-inch F/8.1 RC Cass. Field of view is about 15x15 arc minutes. This
comet continues to fade, but it was easy to see visually in a 8-inch F/6
Dob that my friends and I were using. We also had our 6-in Astrophysics
refractor on the comet and there were a few other scopes around including
a C-9.25, and a JMI 12.5-inch NGT. We finally had a clear night in
Binghamton NY with a nice bright Milky Way stretched across the sky until
the clouds came in again around 1am local time. It's pretty easy to get
low temps on a CCD camera when the air temp is -5C.

George N




  #3  
Old November 23rd 06, 10:24 AM posted to alt.binaries.pictures.astro
Kev
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Posts: 72
Default ASTRO: Comet C/2006 M4 (SWAN) imaged at 0:50 UT Nov 22, 2006.

Nice image
Kev

"George Normandin" wrote in message
...
Image is made from ten 45-second exposures with an SBIG STL-1301E thru a
20-inch F/8.1 RC Cass. Field of view is about 15x15 arc minutes. This
comet continues to fade, but it was easy to see visually in a 8-inch F/6
Dob that my friends and I were using. We also had our 6-in Astrophysics
refractor on the comet and there were a few other scopes around including
a C-9.25, and a JMI 12.5-inch NGT. We finally had a clear night in
Binghamton NY with a nice bright Milky Way stretched across the sky until
the clouds came in again around 1am local time. It's pretty easy to get
low temps on a CCD camera when the air temp is -5C.

George N




  #4  
Old November 24th 06, 06:24 PM posted to alt.binaries.pictures.astro
Stefan Lilge
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Default ASTRO: Comet C/2006 M4 (SWAN) imaged at 0:50 UT Nov 22, 2006.

Great shot George. Through the large Cassegrain it looks almost as good as
it used to thorugh smaller equipment at it's best time.

Stefan

"George Normandin" schrieb im Newsbeitrag
...
Image is made from ten 45-second exposures with an SBIG STL-1301E thru a
20-inch F/8.1 RC Cass. Field of view is about 15x15 arc minutes. This
comet continues to fade, but it was easy to see visually in a 8-inch F/6
Dob that my friends and I were using. We also had our 6-in Astrophysics
refractor on the comet and there were a few other scopes around including
a C-9.25, and a JMI 12.5-inch NGT. We finally had a clear night in
Binghamton NY with a nice bright Milky Way stretched across the sky until
the clouds came in again around 1am local time. It's pretty easy to get
low temps on a CCD camera when the air temp is -5C.

George N



  #5  
Old November 25th 06, 09:48 PM posted to alt.binaries.pictures.astro
George Normandin[_1_]
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Posts: 1,022
Default ASTRO: Comet C/2006 M4 (SWAN) imaged at 0:50 UT Nov 22, 2006.

"Stefan Lilge" wrote
....
Great shot George. Through the large Cassegrain it looks almost as good as
it used to thorugh smaller equipment at it's best time.


Stefan, et al:

I had a chance to show SWAN to about 30 people last night thru the 20RC.
It is much dimmer in just a few days. However, it's still a nice comet!

George N


 




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