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

Reply
 
Thread Tools Rate Thread
  #21  
Old 15-08-2015, 11:22 AM
AlexN's Avatar
AlexN
Widefield wuss

AlexN is offline
 
Join Date: Mar 2008
Location: Caboolture, Australia
Posts: 6,994
Possibly the past update. Here is 253 with12hrs total and 37 fresh darks taken with the cooling operating at 45% to reach -15c vs the old ones with the cooling at 83% to hit -15c

Much cleaner overall result. It's probably obvious from this image but I am pushing to reveal the dark dusty regions of 253 with this.

In some deeper images of 253 that I have seen the core of the galaxy seems to have dusty tendrils being ejected outwards (more likely dust being drawn inwards) around the core. I've done my best to show these, and I can see them in there however I feel to be really effective I would need to visit dark skies to run 10+ minute exposures.
Attached Thumbnails
Click for full-size image (12hrs.jpg)
197.6 KB20 views
Reply With Quote
  #22  
Old 15-08-2015, 11:41 AM
Slawomir's Avatar
Slawomir (Suavi)
Registered User

Slawomir is offline
 
Join Date: Sep 2014
Location: North Queensland
Posts: 3,240
Hi Alex,

You must be pleased with result of your perseverance with this project

As I understand it, dark skies is a must for imaging galaxies, so it would be interesting to compare what difference would it make to your photo.

I feel that processing of the latest version has been a tad too hard - I think it might pay off to reprocess this image one day.
Reply With Quote
  #23  
Old 15-08-2015, 11:55 AM
codemonkey's Avatar
codemonkey (Lee)
Lee "Wormsy" Borsboom

codemonkey is offline
 
Join Date: Jul 2013
Location: Kilcoy, QLD
Posts: 2,058
Nice work Alex! I think you could pull a bit more out of that with some more work.

Quote:
Originally Posted by Slawomir View Post
As I understand it, dark skies is a must for imaging galaxies, so it would be interesting to compare what difference would it make to your photo.
Having seen the raw data Alex is working with, it was enough for me to declare that I'd never move back to suburbia. I've only ever imaged in what I estimate to be Bortle 3 skies and the gradients he's dealing with here blew me away, not to mention the impact of light pollution on the signal.

So while dark skies might not be an absolute must, it's going to make it much, much more difficult for sure.
Reply With Quote
  #24  
Old 15-08-2015, 12:23 PM
Slawomir's Avatar
Slawomir (Suavi)
Registered User

Slawomir is offline
 
Join Date: Sep 2014
Location: North Queensland
Posts: 3,240
That's why I really admire Alex's perseverance and results he is getting.
I only ever imaged at what I estimate to be Bortle 7 at best, thus 3nm filters are the only way for me to enjoy this hobby...
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 09:32 AM.

Powered by vBulletin Version 3.8.7 | Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Advertisement
Bintel
Advertisement
Astrophotography Prize
Advertisement