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  #1  
Old 14-06-2018, 08:34 PM
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RickS (Rick)
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M83 from Heaven's Mirror

M83 data from Martin Pugh, processing by yours truly. Might still need a bit of tweaking. Feel free to offer frank opinions

Scope: Planewave CDK17 @ f/6.8 = 2939mm FL
Mount: Paramount ME
Camera: SBIG STXL-11002/AOX
Filters: Astrodon LRGB gen II, 3nm NB
Image scale: 0.63 arcsec/pixel
Exposures: 14x1200s R, 13x1200s G, 15x1200s B, 21x1200s L, 5x1800s x2 Ha (23.5 hours)
Processing: PixInsight 1.8.5

Big version on Astrobin: https://www.astrobin.com/full/351189/0/

Cheers,
Rick.
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  #2  
Old 14-06-2018, 08:39 PM
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cometcatcher (Kevin)
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Bloomin awesome! The Ha areas look like edible raspberry swirl. Maybe I shouldn't look at astro pics while hungry.
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  #3  
Old 14-06-2018, 08:43 PM
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Quote:
Originally Posted by cometcatcher View Post
Bloomin awesome! The Ha areas look like edible raspberry swirl. Maybe I shouldn't look at astro pics while hungry.
Thanks, Kevin. Maybe M83 should be a new ice cream flavour
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  #4  
Old 14-06-2018, 08:47 PM
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Haven't seen anything like this, Rick, congratulations to you and Martin ...
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  #5  
Old 14-06-2018, 08:49 PM
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Haven't seen anything like this, Rick, congratulations to you and Martin ...
Thanks, Ian. I might have gone a little overboard. Still trying to decide. The data is fantastic so it's just my processing I'm not sure about
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  #6  
Old 14-06-2018, 09:33 PM
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strongmanmike (Michael)
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Lovely Rick, about what I expected after your little galaxy tasters ...the colour is certainly bold and contrasty and the HII regions perhaps a little lipstick in contrast to the arms but personal taste that...grows on ya if you look at it for a while. Some lovely detail across the galaxy and plenty of exposure has done the trick with picking up faint fuzzies, Mike BJ will love it .. very nice work fella

Mike
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  #7  
Old 14-06-2018, 09:37 PM
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Quote:
Originally Posted by strongmanmike View Post
Lovely Rick, about what I expected after your little galaxy tasters ...the colour is certainly bold and contrasty and the HII regions perhaps a little lipstick in contrast to the arms but personal taste that...grows on ya if you look at it for a while. Some lovely detail across the galaxy and plenty of exposure has done the trick with picking up faint fuzzies, Mike BJ will love it .. very nice work fella
Thanks, Mikey! I might wind it back a little. Always hard to tell. Looks great on my bigass processing monitor but a touch oversaturated on my laptop.
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  #8  
Old 14-06-2018, 09:45 PM
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Spectacular stuff Rick although I'm thinking the HII regions are perhaps just a bit overdone.

Cheers

Steve
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  #9  
Old 14-06-2018, 09:50 PM
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Hi Rick,
that's a top image.
I like the way you've handled the background -
you weren't afraid to leave some noise in it
whereas some people would have smoothed it all out & lost the detail.
The background also shows the black area around M83 which
is missing from so many pics yet is real.
The dead bright center of M83 looks hardened & over sharpened
but that's the only thing I can find for a possible improvement.


cheers
Allan
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  #10  
Old 14-06-2018, 09:54 PM
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That’s an interesting reference image Rick

Loads of raspberry ripple too, or is that just a pommie flavour?
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  #11  
Old 14-06-2018, 10:30 PM
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It is certainly vibrant on my laptop but doesn't look too over the top
I agree with Allan, the bright core looks like it's been smashed a little but other than that
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  #12  
Old 14-06-2018, 10:30 PM
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Great work Rick (and Martin). I get the feeling you've tried hard to show background cirrus and the black swirl around it as well as making M83 pop. Stunning......
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  #13  
Old 14-06-2018, 10:32 PM
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Definitely looks good enough to eat, Rick
Strawberry flavour is a nice filling.
Great pic.
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  #14  
Old 15-06-2018, 07:07 AM
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Quote:
Originally Posted by Stevec35 View Post
Spectacular stuff Rick although I'm thinking the HII regions are perhaps just a bit overdone.
Thanks, Steve. I might wind it back just a bit...

Quote:
Originally Posted by alpal View Post
Hi Rick,
that's a top image.
I like the way you've handled the background -
you weren't afraid to leave some noise in it
whereas some people would have smoothed it all out & lost the detail.
The background also shows the black area around M83 which
is missing from so many pics yet is real.
The dead bright center of M83 looks hardened & over sharpened
but that's the only thing I can find for a possible improvement.
Thanks, Allan. I agree the core is a bit rough and will see if I can improve it.

Quote:
Originally Posted by Camelopardalis View Post
Thatís an interesting reference image Rick

Loads of raspberry ripple too, or is that just a pommie flavour?
Thanks, Dunk. I think we have it too

Quote:
Originally Posted by Atmos View Post
It is certainly vibrant on my laptop but doesn't look too over the top
I agree with Allan, the bright core looks like it's been smashed a little but other than that
Ta, Colin.

Quote:
Originally Posted by RobF View Post
Great work Rick (and Martin). I get the feeling you've tried hard to show background cirrus and the black swirl around it as well as making M83 pop. Stunning......
Thanks, Rob. Yes, I tried to leave some of the faint stuff. There's a star stream on the left but very faint. Needs a lot more data or a faster scope.

Quote:
Originally Posted by astroron View Post
Definitely looks good enough to eat, Rick
Strawberry flavour is a nice filling.
Great pic.
Thanks, Ron!
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  #15  
Old 15-06-2018, 09:43 AM
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Looks best in the widefield version. The thumbnail not so much.

Perhaps the Ha is a bit bright but in the widefield image it doesn't seem to be so much.

As usual the stars are perfect - man you are so good at that.

Greg.
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  #16  
Old 15-06-2018, 10:03 AM
E_ri_k (Erik)
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Looks amazing Rick, superb colour, and the high res looks

Erik
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  #17  
Old 15-06-2018, 10:18 AM
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multiweb (Marc)
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Superb details in the dust lanes. Almost HST like. Subzero cool. The CDK field is so well corrected. Pretty amazing for that aperture.
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  #18  
Old 15-06-2018, 11:18 AM
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Hi Rick,
Great image!
Great data and great stars and so vibrant....I reckon it is good to see a pushed out there interpretation.
Cheers,
Tim
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  #19  
Old 15-06-2018, 04:19 PM
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Lovely image Rick. Pity I can't see the full res on Astrobin, but still looks great in the standard link.
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  #20  
Old 15-06-2018, 07:11 PM
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nice image Rick but I think its a bit too candy toned back I think it would be better lots of good detail in there
AL
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