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  #1  
Old 19-04-2008, 05:38 PM
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Barb and David

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M4 Globular Cluster in Scorpius

Data captured on 6-4-08. Just recently processed.

We find this a beautiful cluster. Within the cluster there are small arcs of stars here and there. Some blue some yellow and orange making it an interesting subject.

Some information from Daniel Verschaste's website.

[quote] At less then 6500 light years, Messier 4 may be the nearest globular cluster to the sun. Interstellar absorption in this direction is estimated at 1.4 magnitudes and accounts for yellow-orange star colour [End Quote]

------------------------------------------------

Image Details

5 Light and 5 Dark frames all 5mins ... ISO800

Canon 40D ... Skywatcher 200mm Newtonian

Higher res http://barb.david.1.googlepages.com/home

Click image for larger version

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  #2  
Old 19-04-2008, 05:46 PM
Dennis
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Hi Barb & Dave

An excellent image, very nicely captured and presented. I managed to grab a series of 10 x 30 secs through the Vixen 4” refractor of M4, in-between clouds a couple of nights ago, in preparation for a possible montage when the Moon moves into this region on 24th April.

Cheers

Dennis
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  #3  
Old 19-04-2008, 08:25 PM
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theodog (Jeff)
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Nice one Barb & Dave.
Great rep of coloured stars and nice and deep.
Well done.
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  #4  
Old 19-04-2008, 09:26 PM
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dugnsuz (Doug)
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Very nice B&D,
Love to see Globs like this with lots of colour and detail to look at!
Well done again
Doug
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  #5  
Old 19-04-2008, 11:00 PM
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A lovely image Barb & Dave, nice tight stars, the colours look great and the globular is well resolved right into the core.

A great image.
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  #6  
Old 20-04-2008, 07:19 AM
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spearo (Frank)
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Well done
the colors look great and the image is lovely and sharp
cheers
frank
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  #7  
Old 20-04-2008, 10:29 AM
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Barb and David

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Quote:
Originally Posted by Dennis View Post
Hi Barb & Dave

An excellent image, very nicely captured and presented. I managed to grab a series of 10 x 30 secs through the Vixen 4” refractor of M4, in-between clouds a couple of nights ago, in preparation for a possible montage when the Moon moves into this region on 24th April.
Cheers
Dennis
That sounds like an interesting project Dennis. Look forward to seeing the result

Quote:
Originally Posted by theodog View Post
Nice one Barb & Dave.
Great rep of coloured stars and nice and deep.
Well done.
Thanks Jeff the colours in this glob really grabbed us

Quote:
Originally Posted by dugnsuz View Post
Very nice B&D,
Love to see Globs like this with lots of colour and detail to look at!
Well done again
Doug
Thanks again Doug

Quote:
Originally Posted by Ric View Post
A lovely image Barb & Dave, nice tight stars, the colours look great and the globular is well resolved right into the core.

A great image.
Loved doing this one Eric
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  #8  
Old 20-04-2008, 04:33 PM
jase (Jason)
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That's a treat of a cluster Barb and David. Well done.
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  #9  
Old 20-04-2008, 04:38 PM
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Really well resolved. A nice glob to image.
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  #10  
Old 20-04-2008, 04:48 PM
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Well done, like the colours of the stars.
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  #11  
Old 20-04-2008, 10:02 PM
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Inmykombi (Geoff)
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Hi Barb and David,

I love your image.

To me, the colours reveal the age of the Glob, as it really is.
I am not sure what Interstellar absorbtion is though...I show my ignorance...and I appologise in advance....

The stars appear yellowish to me and display their true age.

From what I read, " Globs " contain older type stars, and I think you have captured this very very well in this image.
I happen to enjoy tracking down " Globs " when I can, and enjoy the great variety they display.
Its good to have some colour revealed in your image....

I looked at M4 through some bino viewers that were loaned to me at the SPSP, and nearly fell off my chair it was so beautiful.
If you get the chance to do the same, let me know what you think....

Well done.....Keep it up.

Geoffro.

Last edited by Inmykombi; 20-04-2008 at 10:18 PM.
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  #12  
Old 20-04-2008, 10:23 PM
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Terry B
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Very nice globular.
Good work
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  #13  
Old 20-04-2008, 10:33 PM
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Quote:
Originally Posted by jase View Post
That's a treat of a cluster Barb and David. Well done.
Thanks for the comment Jase

Quote:
Originally Posted by dcalleja View Post
Really well resolved. A nice glob to image.
Yes we enjoyed doing this one Dan

Quote:
Originally Posted by Lester View Post
Well done, like the colours of the stars.
Thanks Lester

Quote:
Originally Posted by Inmykombie View Post
Hi Barb and David,

I love your image.

To me, the colours reveal the age of the Glob, as it really is.
I am not sure what Interstellar absorbtion is though...I show my ignorance...and I appologise in advance....

The stars appear yellowish to me and display their true age.

From what I read, " Globs " contain older type stars, and I think you have captured this very very well in this image.
I happen to enjoy tracking down " Globs " when I can, and enjoy the great variety they display.
Its good to have some colour revealed in your image....

I looked at M4 through some bino viewers that were loaned to me at the SPSP, and nearly fell off my chair it was so beautiful.
If you get the chance to do the same, let me know what you think....

Well done.....Keep it up.

Geoffro.
Thanks Geoff. We enjoy imaging clusters and try and interpret the star colours correctly. Don't know if you visited our web page. We have started to get a bit of a collection of some interesting ones if you wanted to take a look.

Next dark skies we have we're going to roll out the Dob which hasn't had a great deal of use since we started imaging . So we will take a peek at M4 then we'll let you know how we go..
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  #14  
Old 21-04-2008, 12:30 AM
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Quote:
Originally Posted by spearo View Post
Well done
the colors look great and the image is lovely and sharp
cheers
frank
Quote:
Originally Posted by Terry B View Post
Very nice globular.
Good work
Thanks for commenting Frank and Terry
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  #15  
Old 21-04-2008, 12:58 AM
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AlexN
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Not to sound like every other poster in the thread... Great glob!

I particularly like how crisp the image is right the way to the center, and the 4 very bright stars in the lower half of the FOV.

10/10!
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  #16  
Old 22-04-2008, 11:44 AM
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Thanks for taking the time to comment Alex much appreciated
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  #17  
Old 22-04-2008, 05:34 PM
Alchemy (Clive)
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crisp with nice colours,

hopefully the smoke will clear away for you soon so more imaging can be done.

Cheers clive.
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  #18  
Old 22-04-2008, 10:54 PM
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Bright, great colours and sharp as a tack. Who could ask for more?
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  #19  
Old 23-04-2008, 09:15 AM
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Tamtarn
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Quote:
Originally Posted by Alchemy View Post
crisp with nice colours,
hopefully the smoke will clear away for you soon so more imaging can be done.
Cheers clive.
Not sure about the smoke clearing Clive the dept is apparently going to burn all through autumn Hope they give us a break at new moon

Quote:
Originally Posted by winensky View Post
Bright, great colours and sharp as a tack. Who could ask for more?
Appreciate your comments Matt
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