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Old 28-09-2020, 12:36 PM
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Ryderscope (Rodney)
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Brightest Four Globular Clusters

With the publishing of my image of M22, I have now captured the brightest four globular clusters in the night sky; Omega Centauri, 47 Tucanae, Messier 22 and NGC6752.
I figured that they would make for a nice composite image and so have done just that.

Link here to composite image on Astrobin.
Click on image for larger resolution.

I do find globular clusters to be fascinating objects given the age of their stars and the 'wow' factor when showing people the objects through the eyepiece.
Thank you for dropping in for a look and I hope you enjoy the journey

Clear skies,
Rodney
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Old 28-09-2020, 01:28 PM
John W (John Wilkinson)
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Nice set of globular clusters Rod. They are my favorite object to image and view as well. Thanks,
John W.
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Old 28-09-2020, 03:28 PM
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Woohoo it's clear

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Cool...and all best viewed from the southern hemisphere..we win!

Mike
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Old 28-09-2020, 07:12 PM
Placidus (Mike and Trish)
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All superb Rodney.

Question: Omega Centauri and Crackerjack are in the Milky Way, hence lots of field stars. 47 Tucanae is far from the Milky way, hence few field stars. So far so good. But the Pavo globular is also far from the Milky Way, yet there seem to be lots of field stars. Is that because the Pavo globular is fainter than say 47 Tucanae, and "exposing" to see the globular at its best brings out more field stars?

Best,
Mike
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Old 28-09-2020, 08:06 PM
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Ryderscope (Rodney)
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Quote:
Originally Posted by John W View Post
Nice set of globular clusters Rod. They are my favorite object to image and view as well. Thanks,
John W.
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Originally Posted by strongmanmike View Post
Cool...and all best viewed from the southern hemisphere..we win!

Mike
Thanks John/Mike, yes we do win - every time we go outside on a dark clear night and look up at the southern skies
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Old 28-09-2020, 08:12 PM
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All superb Rodney.

Question: Omega Centauri and Crackerjack are in the Milky Way, hence lots of field stars. 47 Tucanae is far from the Milky way, hence few field stars. So far so good. But the Pavo globular is also far from the Milky Way, yet there seem to be lots of field stars. Is that because the Pavo globular is fainter than say 47 Tucanae, and "exposing" to see the globular at its best brings out more field stars?

Best,
Mike
Thanks Mike. We are talking about a brightness range from 3.9 for Omega Centauri to 5.4 for the Pavo Cluster. For the Pavo Cluster I would have stretched the image to bring out the detail in the core of the cluster and the rest of the star field would have come along for the ride. This being the case it would make sense that the background star field is maybe a little more prominent.
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Old 29-09-2020, 08:24 AM
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Andy01 (Andy)
My God it's full of stars

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That's Uber cool Rodney
Very nice collection of Christmas lights - a fascinating comparison
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Old 29-09-2020, 09:33 AM
AG Hybrid (Adrian)
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That's great! Also enjoyed the comparison too.
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Old 02-10-2020, 02:31 AM
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That's Uber cool Rodney
Very nice collection of Christmas lights - a fascinating comparison
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That's great! Also enjoyed the comparison too.
Thanks Adrian/Andy. It was an opportunity to try something different.
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Old 03-10-2020, 02:16 PM
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multiweb (Marc)
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Nice collection Rodney. Top shelf.
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