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Old 25-05-2014, 07:11 PM
marc4darkskies's Avatar
marc4darkskies (Marcus)
Billions and Billions ...

marc4darkskies is offline
 
Join Date: Mar 2007
Location: Quialigo, NSW
Posts: 3,143
Quote:
Originally Posted by niharika View Post
Nicely done Marcus, level of details are already popping my eyes
Quote:
Originally Posted by MrB View Post
Wow, so many fuzzies!
I lost count after 30-something.
You're just teasing us, can't wait to see the finished image.
Thanks guys!

Quote:
Originally Posted by Paul Haese View Post
Hi Marcus. Will you try 30 minute subs for me please? Say 3 if you can. I am curious as to what you will get with that duration subs. I have been doing 30 minute subs on the 12" and getting very good ADU results.
No. Not until I do Ha. I never do 30 min LRGB subs - waste of time. I'm also interested in seeing if there is any flexure, but it will have to wait until I do a neb shot.

Quote:
Originally Posted by Paul Haese View Post
The stars look slightly rectangular to me. This might well be guiding related though or maybe a dud sub somewhere. The STL is certainly noisier than the STXL. I had forgotten how much extra noise there is from the 10 degrees less of cooling. Time for a new camera????
A keen eye and a tight zoom there Paul . As it happens, you're critiquing my hasty processing. I was careless and used an action with a minimise filter step (bad Marcus!). If you want to see the raw (except for stretching) picture see:
http://upload.pbase.com/gailmarc/ima...94720/original

There is a new camera in my future too

PS: I've now updated the original image to remove the processing error that caused the slightly square stars.

Quote:
Originally Posted by Paul Haese View Post
This scope has the corrector in the baffle is that right? How much back focus do you get with these scopes?
236mm optimally. I have a motorized secondary so I can change it. But I'd need to be careful not change the mirror spacing so much as to degrade the image.

Cheers, Marcus

Last edited by marc4darkskies; 26-05-2014 at 09:42 PM. Reason: Notice of updated image
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