Go Back   IceInSpace > Images > Deep Space
Register FAQ Calendar Today's Posts Search

Reply
 
Thread Tools Rate Thread
  #1  
Old 23-07-2018, 02:58 PM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline
 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
Cat's Paw with deep OIII and SII

The Cat's Paw has a paw-city of OIII and SII, making it tricky to produce a Hubble Palette version.

Here we've added 9.5 hrs of SII and 8.5 hrs of OIII to just 2 hrs of H-alpha.

Total exposure is 22 hrs, of which 7 hrs was from 2014 in half hour subs, and 15 hrs from the last two nights, all in 1 hr subs.

The OIII was added under somewhat non-ideal conditions with a half moon shining right down the barrel and trying to climb inside the scope. Thus the very faintest blue-black washes are to be ignored, but the middling and brightest blues and localized blue detail should be solid. The little patch of inky blue at the left hand edge toward 10 o'clock should be real, and seems unrelated to the main paw.

A very busy image, with at least 5 discrete and idiosyncratic regions. We can see that the cat has been walking around the kitchen as well as the fish pond. Dead centre is the "thorn" in the cat's paw, or perhaps a shark's fin. Toward 5 o'clock is a roast chicken with burned crispy skin and an alarming blueberry sauce. Toward 12 o'clock is something like a giant electric eel with a black eye and huge sharp teeth, trying to bite the tasty morsel toward 9 or 10 o'clock from centre. All these regions have very different textures, implying different dynamic causes.


The big one is here

The usual equipment: Aspen CG16M with 3nM Astrodon filters on 20" PlaneWave. Processing all with our very own GoodLook.

Field approximately 35 min arc, 0.55 sec arc/pixel.

Very best,
Mike and Trish
Attached Thumbnails
Click for full-size image (Z Cat's Paw Ha 2hrs OIII 8hrs30 SII 9hrs30 Thumb.jpg)
144.4 KB81 views
Reply With Quote
  #2  
Old 23-07-2018, 03:11 PM
Atmos's Avatar
Atmos (Colin)
Ultimate Noob

Atmos is offline
 
Join Date: Aug 2011
Location: Melbourne
Posts: 6,984

The detail and resolution is exquisite MnT!! Decon has been taken to the brink but hasn’t stepped over the edge

Exceptional image MnT, a real benchmark
Reply With Quote
  #3  
Old 23-07-2018, 04:01 PM
multiweb's Avatar
multiweb (Marc)
ze frogginator

multiweb is offline
 
Join Date: Oct 2007
Location: Sydney
Posts: 22,062
Superb close up Mike. The spongy bit looks great.
Reply With Quote
  #4  
Old 23-07-2018, 04:31 PM
strongmanmike's Avatar
strongmanmike (Michael)
Highest Observatory in Oz

strongmanmike is offline
 
Join Date: May 2006
Location: Canberra
Posts: 17,176
A detailed Paw guys See?.. Col has become a Doconimator as well...and good to see I say! I think excessive decon has been largely tamed across the IIS imaging community ...we hardly ever see it now

...we must stay vigilant however, because the veracious and insidious tentacles that over deconisation can be, will so easily infiltrate once again under stealth if we let our guard down

Mike
Reply With Quote
  #5  
Old 23-07-2018, 05:28 PM
gregbradley's Avatar
gregbradley
Registered User

gregbradley is offline
 
Join Date: Feb 2006
Location: Sydney
Posts: 17,903
Very high impact.

The spongy section looks like a sphere - skull like.

Greg.
Reply With Quote
  #6  
Old 23-07-2018, 05:53 PM
Karlzburg (Karl)
No moon for you!!

Karlzburg is offline
 
Join Date: Jun 2018
Location: Mudgee, NSW
Posts: 330
That's an amazing picture, i appreciate the time you took to share it 👍🏼
Reply With Quote
  #7  
Old 23-07-2018, 06:27 PM
Paul Haese's Avatar
Paul Haese
Registered User

Paul Haese is offline
 
Join Date: Jan 2009
Location: Adelaide
Posts: 9,944
Man, the detail is awesome. That is what a 20" can really do is show detail that a 12" can't. I like the almost mollusc shell look of the lower nebulosity. I like the misty looking nebulosity too.
Reply With Quote
  #8  
Old 23-07-2018, 06:56 PM
traveller's Avatar
traveller (Bo)
Not enough time and money

traveller is offline
 
Join Date: Aug 2011
Location: Melbourne
Posts: 2,133
Outstanding!!!
Reply With Quote
  #9  
Old 23-07-2018, 07:26 PM
atalas's Avatar
atalas
Registered User

atalas is offline
 
Join Date: Mar 2005
Location: Sydney
Posts: 5,138
mamma mia!
Reply With Quote
  #10  
Old 23-07-2018, 07:47 PM
Ryderscope's Avatar
Ryderscope (Rodney)
Registered User

Ryderscope is offline
 
Join Date: May 2006
Location: Glanmire, NSW
Posts: 2,190
A Claud Monet rendition of the cat’s paw. Purrfect
Reply With Quote
  #11  
Old 23-07-2018, 10:15 PM
SimmoW's Avatar
SimmoW (SIMON)
Farting Nebulae

SimmoW is offline
 
Join Date: Jan 2014
Location: Tamleugh, Victoria, Australia
Posts: 1,384
Wow, so detailed, well done! I love the almost 3d section at top-right. Reminds me of the veil
Reply With Quote
  #12  
Old 24-07-2018, 07:39 AM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline
 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
Quote:
Originally Posted by Atmos View Post

The detail and resolution is exquisite MnT!! Decon has been taken to the brink but hasn’t stepped over the edge

Exceptional image MnT, a real benchmark
Thanks Colin. You get the best view from the edge!

Quote:
Originally Posted by multiweb View Post
Superb close up Mike. The spongy bit looks great.
Thanks Marc. Definitely roast chicken.

Quote:
Originally Posted by strongmanmike View Post
A detailed Paw guys See?.. Col has become a Doconimator as well...and good to see I say! I think excessive decon has been largely tamed across the IIS imaging community ...we hardly ever see it now

...we must stay vigilant however, because the veracious and insidious tentacles that over deconisation can be, will so easily infiltrate once again under stealth if we let our guard down

Mike
Thanks, Mike. Vigilance it is.

Quote:
Originally Posted by gregbradley View Post
Very high impact.

The spongy section looks like a sphere - skull like.

Greg.
The Skull of Scorpius. Perhaps on the edge of too high impact, but we liked the whispy thready bits we've brought out here and there.

Quote:
Originally Posted by Karlzburg View Post
That's an amazing picture, i appreciate the time you took to share it 👍🏼
Cheers, Karl.

Quote:
Originally Posted by Paul Haese View Post
Man, the detail is awesome. That is what a 20" can really do is show detail that a 12" can't. I like the almost mollusc shell look of the lower nebulosity. I like the misty looking nebulosity too.
Thanks muchly Paul. Yes, Mother-of-Pearl here and there.

Quote:
Originally Posted by traveller View Post
Outstanding!!!
Cheers, Bo!

Quote:
Originally Posted by atalas View Post
mamma mia!
Thanks Louie

Quote:
Originally Posted by Ryderscope View Post
A Claud Monet rendition of the cat’s paw. Purrfect
Thank you Rodney!

Quote:
Originally Posted by SimmoW View Post
Wow, so detailed, well done! I love the almost 3d section at top-right. Reminds me of the veil
Thanks for the encouragement Simmo! The multiple discrete textures are fascinating. Presumably there are only a handful of underlying processes going on - gravitational collapse, star formation, radiation pressure, supernovas and shocks, but slight differences in the environment produce radically different results.


Best from
MnT
Reply With Quote
  #13  
Old 24-07-2018, 06:38 PM
Stevec35 (Steve)
Registered User

Stevec35 is offline
 
Join Date: Aug 2010
Location: Canberra
Posts: 3,654
Excellent - very good detail!

Steve
Reply With Quote
  #14  
Old 24-07-2018, 08:28 PM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline
 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
Quote:
Originally Posted by Stevec35 View Post
Excellent - very good detail!

Steve
Thanks Steve!
Reply With Quote
  #15  
Old 24-07-2018, 08:33 PM
JA
.....

JA is offline
 
Join Date: Oct 2016
Location: Melbourne, Australia
Posts: 2,976
Sensational

Best
JA
Reply With Quote
  #16  
Old 25-07-2018, 10:08 AM
Retrograde's Avatar
Retrograde (Pete)
a.k.a. @AstroscapePete

Retrograde is offline
 
Join Date: Oct 2011
Location: Sydney
Posts: 1,637
Fabulous detail. A great rendition for sure.
Reply With Quote
  #17  
Old 25-07-2018, 01:43 PM
Andy01's Avatar
Andy01 (Andy)
My God it's full of stars

Andy01 is online now
 
Join Date: Mar 2012
Location: Melbourne
Posts: 3,257
Terrific detail, well composed - havn't seen the O3 & S2 pop like that before on this object - very nicely done.
Not my favourite colour palette aesthetically, but it's your preferred style and I understand the reasoning behind it.
Good to see you guys back on the imaging horse again!
Reply With Quote
  #18  
Old 26-07-2018, 07:15 AM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline
 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
Thanks Andy!
Reply With Quote
  #19  
Old 26-07-2018, 10:00 AM
cometcatcher's Avatar
cometcatcher (Kevin)
<--- Comet Hale-Bopp

cometcatcher is offline
 
Join Date: Jan 2005
Location: Cloudy Mackay
Posts: 6,542
Incredible image M&T! Was just looking up the specs on the Aspen. That's impressive too. Matches the 20" well.
Reply With Quote
  #20  
Old 26-07-2018, 04:54 PM
LewisM's Avatar
LewisM
Novichok test rabbit

LewisM is offline
 
Join Date: Aug 2012
Location: Somewhere in the cosmos...
Posts: 10,388
COR BLIMEY! Ain't 'alf bad mate!
Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +10. The time is now 02:55 PM.

Powered by vBulletin Version 3.8.7 | Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Advertisement
Bintel
Advertisement
Testar
Advertisement