Go Back   IceInSpace > Images > Deep Space

Reply
 
Thread Tools Rate Thread
  #1  
Old 12-06-2019, 04:35 PM
Andy01's Avatar
Andy01 (Andy)
My God it's full of stars

Andy01 is offline
 
Join Date: Mar 2012
Location: Melbourne
Posts: 2,136
A Lobster's Tale...

Continuing the Seafood Buffet of Nebulous Crustacea on IIS, here we have detail of NGC 6357 from Suburbia, very challenging to process too!

A precision balancing act between rendering nebulous gas & the fine details...

We have some truly bizarre shaped DSO's in the southern Hemisphere.

26x600 Ha 3nm
43x600 O3 3nm
10x600S2 3nm
30x120 ea RG&B

Cataloged as NGC 6357, the Lobster Nebula houses the open star cluster Pismis 24 near its centre, a home to unusually bright and massive stars.
The overall blue glow near the inner star forming region results from the emission of ionised hydrogen gas.

The surrounding nebula, holds a complex tapestry of gas, dark dust, stars still forming, and newly born stars. The intricate patterns are caused by complex interactions between interstellar winds, radiation pressures, magnetic fields, and gravity. NGC 6357 spans about 400 light years and lies about 8,000 light years away toward the constellation of the Scorpion. (apod)

Kinda looks like Deep Space 9 too!

Thanks for looking, C&C welcome
Attached Thumbnails
Click for full-size image (6357_iis.jpg)
182.3 KB73 views
Click for full-size image (main-qimg-80df0455ce89240a673dc981a17d2ad4-c.jpg)
187.8 KB27 views
Reply With Quote
  #2  
Old 12-06-2019, 04:52 PM
strongmanmike's Avatar
strongmanmike (Michael)
Woohoo it's clear

strongmanmike is offline
 
Join Date: May 2006
Location: Canberra
Posts: 14,462
Ah the good'ol Lobster....

It's a fabulous area the inner area of NGC6357, like a maelstrom . and you have reflected this nicely. I like your colour palette too, showing some variation in colours to reflect that three filters were used not just two Main negative is, that when viewed at fit-to-screen it looks o-k... but any larger and there are a lot of processing artefacts visible

Overall though, a cool bit of neb

Mike
Reply With Quote
  #3  
Old 12-06-2019, 05:22 PM
Andy01's Avatar
Andy01 (Andy)
My God it's full of stars

Andy01 is offline
 
Join Date: Mar 2012
Location: Melbourne
Posts: 2,136
Quote:
Originally Posted by strongmanmike View Post
I like your colour palette too, showing some variation in colours to reflect that three filters were used not just two

Main negative is, that when viewed at fit-to-screen it looks o-k... but any larger and there are a lot of processing artefacts visible

Mike
Cheers Mike - This must be version #249 I think! I even dug one of your's out of your website for comparison when processing the Ha LUM; as I was pleased with my colour palette but as you have seen, when pushing colours that hard, well - something's gotta give!

Seems quite a challenge to get sharpness & detailed nebulosity vs. soft & gaseous - amazed that there was sooooo much going on here in the vortex though
Reply With Quote
  #4  
Old 12-06-2019, 05:44 PM
codemonkey's Avatar
codemonkey (Lee)
Registered User

codemonkey is offline
 
Join Date: Jul 2013
Location: Kilcoy, QLD
Posts: 1,648
Nice work Andy, love the colours and contrast. As Mike says though, full view shows up some artefacts; I'd personally dial it back because of that.
Reply With Quote
  #5  
Old 12-06-2019, 06:02 PM
Peter Ward's Avatar
Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 6,436
Sidonio's gone for the Swedish flag, I take it you've gone mad for the Dutch Royals...
What's next for NB palettes?
Interesting palette, but nicely done
Reply With Quote
  #6  
Old 12-06-2019, 06:41 PM
Andy01's Avatar
Andy01 (Andy)
My God it's full of stars

Andy01 is offline
 
Join Date: Mar 2012
Location: Melbourne
Posts: 2,136
Quote:
Originally Posted by codemonkey View Post
Nice work Andy, love the colours and contrast. As Mike says though, full view shows up some artefacts; I'd personally dial it back because of that.
Cheers Lee- maybe, but Iíll have to research some new less destructive techniques first. I like my images bold, and yes, ideally artifact free.
Might check out Adam Blockís PS tutorial set, itís about $100 US. 😊

Quote:
Originally Posted by Peter Ward View Post
Sidonio's gone for the Swedish flag, I take it you've gone mad for the Dutch Royals...
What's next for NB palettes?
Interesting palette, but nicely done
Cheers Peter, I had a Dutch girlfriend once, and itís cricket World cup season, so maybe
Reply With Quote
  #7  
Old 12-06-2019, 07:17 PM
gregbradley's Avatar
gregbradley
Registered User

gregbradley is offline
 
Join Date: Feb 2006
Location: Sydney
Posts: 15,117
Amazing image Andy. The Lobster usually is about THE most boring object out there but you have brought it to life. At the displayed image size the sharpness is superb. High res though is showing some sharpening artifacts. Oh well, no free lunches and all that. Perhaps multi scale deconvolution may've worked here.

Greg.
Reply With Quote
  #8  
Old 12-06-2019, 09:30 PM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline
 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,006
That's inspiring, Andy. It looks wonderfully three-dimensional.

Well done.
Reply With Quote
  #9  
Old 13-06-2019, 09:14 AM
Retrograde's Avatar
Retrograde (Pete)
a.k.a. @AstroscapePete

Retrograde is offline
 
Join Date: Oct 2011
Location: Sydney
Posts: 931
A very tasty Lobster Andy.
Some really great detail and I don't mind the palette at all.

Cheers,
Pete
Reply With Quote
  #10  
Old 13-06-2019, 10:13 AM
Andy01's Avatar
Andy01 (Andy)
My God it's full of stars

Andy01 is offline
 
Join Date: Mar 2012
Location: Melbourne
Posts: 2,136
Quote:
Originally Posted by gregbradley View Post
Amazing image Andy. The Lobster usually is about THE most boring object out there but you have brought it to life. At the displayed image size the sharpness is superb. High res though is showing some sharpening artifacts. Oh well, no free lunches and all that. Perhaps multi scale deconvolution may've worked here.

Greg.
Hi Greg, Thanks for that - didn't thing the lobster was that boring! Monochromatic yes, but it has so many interesting skeletal pockets & swirls

What's multi scale deconvolution? sounds like something Data would use on the Enterprise!

Quote:
Originally Posted by Placidus View Post
That's inspiring, Andy. It looks wonderfully three-dimensional.

Well done.
Cheers M& T - I had hoped the 3D thing would show - had to work pretty hard to get it though

Quote:
Originally Posted by Retrograde View Post
A very tasty Lobster Andy.
Some really great detail and I don't mind the palette at all.

Cheers,
Pete
Cheers Trev, actually I quite like crayfish, never tasted actual lobster
Glad you're enjoying the seafood imaging smorgasbord here

Last edited by Andy01; 13-06-2019 at 10:14 AM. Reason: typo
Reply With Quote
  #11  
Old 13-06-2019, 11:03 AM
Retrograde's Avatar
Retrograde (Pete)
a.k.a. @AstroscapePete

Retrograde is offline
 
Join Date: Oct 2011
Location: Sydney
Posts: 931
Quote:
Originally Posted by Andy01 View Post

Cheers Trev
It's Pete not Trev - Perhaps you have me confused with another forum member?
Reply With Quote
  #12  
Old 13-06-2019, 11:05 AM
Andy01's Avatar
Andy01 (Andy)
My God it's full of stars

Andy01 is offline
 
Join Date: Mar 2012
Location: Melbourne
Posts: 2,136
Quote:
Originally Posted by Retrograde View Post
It's Pete not Trev - Perhaps you have me confused with another forum member?
Apologies Pete - posted in haste - no offence intended.
Reply With Quote
  #13  
Old 13-06-2019, 11:46 AM
multiweb's Avatar
multiweb (Marc)
ze frogginator

multiweb is offline
 
Join Date: Oct 2007
Location: Hinchinbrook
Posts: 17,835
Agree with Greg, you've made a somewhat boring object look really good. Highres is a little chonky but hey, the size you've presented it at is just sublime both in term of depth and colours. Very very cool
Reply With Quote
Reply

Bookmarks

Thread Tools
Rate This Thread
Rate This Thread:

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 06:54 AM.

Powered by vBulletin Version 3.8.7 | Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
Advertisement
Bintel
Advertisement
SkyWatcher Australia
Advertisement
Celestron Australia
Advertisement
Meade Australia
Advertisement
NexDome Observatories
Advertisement
OzScopes Authorised Dealer
Advertisement
Lunatico Astronomical
Advertisement
Astronomy and Electronics Centre
Advertisement