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Old 29-09-2019, 10:21 AM
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A happy little Trifid

Here is a happy little image I took most recently. The tilt was not fully corrected on this image but it came out fine anyway.

Ha LRGB 30 minutes 110 40 40 40. Colour binned 2x2.

https://pbase.com/image/169826418/large

https://pbase.com/image/169826418/original (large size).

Greg.Attachment 249947
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Last edited by gregbradley; 02-10-2019 at 06:28 PM.
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Old 29-09-2019, 12:53 PM
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Lovely! The background Ha and open cluster complement it beautifully
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Old 29-09-2019, 01:08 PM
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Slawomir (Suavi)
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Looks great Greg! Very nice rich field

It seems you don't need another wide-field scope - I would be happy to help you in ridding of the surplus one - the 4" guidescope
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Old 29-09-2019, 07:46 PM
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Quote:
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Lovely! The background Ha and open cluster complement it beautifully
Cheers Chris. Its a lovely area. I wasn't sure if I could get a wide view without showing the Lagoon in it.

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Originally Posted by Slawomir View Post
Looks great Greg! Very nice rich field

It seems you don't need another wide-field scope - I would be happy to help you in ridding of the surplus one - the 4" guidescope
Hehe. I nearly have all the bits needed to use it. Perhaps a 100 hour Helix is the go!

I am also thinking it may complement the RHA. I could get colour off it and combine it with luminance and Ha from the Honders.

Greg.
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Old 29-09-2019, 08:30 PM
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Ah sigh...I feel very happy after looking at that (not so) little image Greg

Mike
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Old 29-09-2019, 08:34 PM
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Ah sigh...I feel very happy after looking at that (not so) little image Greg

Mike
Haha, thanks Mike. Its kind of a cheerful image don't you think?

Greg.
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Old 29-09-2019, 08:38 PM
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Huge FOV and detail.....
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Old 30-09-2019, 05:45 AM
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Mike[/QUOTE]

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Huge FOV and detail.....
Cheers Rob. The Honders has a very wide field of view despite being a 12 inch scope.

Greg.
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Old 30-09-2019, 07:28 PM
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Cute as a button!
Well done.
Cheers,
Tim
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Old 30-09-2019, 08:22 PM
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Awesome vista , congratulations
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Old 01-10-2019, 08:06 PM
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Cute as a button!
Well done.
Cheers,
Tim
Cheers Tim. I also have some recent CDK data I might add to it.

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Awesome vista , congratulations
Thank you Beren.

Greg.
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Old 01-10-2019, 08:55 PM
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Looks like Christmas has arrived early this year.

A very colourful and pretty scene indeed
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Old 02-10-2019, 05:00 AM
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Good to see the Trifid in context, as a glowing cloud of gas against a starry, dusty galaxy of mostly warm-coloured stars. Beautifully done.
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Old 02-10-2019, 05:32 AM
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Looks like Christmas has arrived early this year.

A very colourful and pretty scene indeed
Hehe. yes it does.

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Good to see the Trifid in context, as a glowing cloud of gas against a starry, dusty galaxy of mostly warm-coloured stars. Beautifully done.

Thanks M n T!

Greg.
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Old 02-10-2019, 12:03 PM
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Hi Greg,
Beautiful field of view
Maybe it is only on my screen, but the core of M20 looks over-stretched; I've made one run (without mask) using HDRMultiscaleTransform (default, to lightness only), and you can see all stars in it ...
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Old 02-10-2019, 05:05 PM
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Hi Greg,
Beautiful field of view
Maybe it is only on my screen, but the core of M20 looks over-stretched; I've made one run (without mask) using HDRMultiscaleTransform (default, to lightness only), and you can see all stars in it ...
Thanks Ian. I just tried that but it made the Trifid look very unpleasant.I did some HDR toning on the original and its about as good as it will get with this data. It would need some shorter exposures.

I have some high quality CDK17 data which was incomplete due to weather. I'll add that in and perhaps it will be recovered that way. But personally those few little stars blown out in the core don't bother me.

Greg.
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Old 02-10-2019, 05:49 PM
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cracking image, excellent colour as usual
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Old 02-10-2019, 06:28 PM
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I've edited the image from Ian's observations.

I've done some Photoshop devilry where the Trifid now has the body of a Honders 12 inch and the head of a CDK17!

So more detail in the centre areas and a bit more dynamic range.

Same original links:

https://pbase.com/image/169826418/large

https://pbase.com/image/169826418/original

It pays to archive earlier data for adding in later on. Its a multi year approach to getting longer exposures!

This one is now around 15 hours.

Greg.
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Old 02-10-2019, 06:29 PM
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cracking image, excellent colour as usual
Thanks Russell.

Greg.
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Old 02-10-2019, 07:04 PM
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