M27-12.3 hours

[Dietmar]

hi guys,
recently I showed you my prelim. result on M27.
now I have some O3 in addtion to OSC and Ha.
what started last year in july, ended now...
when I still had my one shot color CCD (M25C) I collected some 3.8
hours of data in a night of not very good seeing last year..
in june and july 08 I acquired H-alpha and O3.
more than 12 hours total exposure time...phew - I think this gonna
become normal...
I think the image is deep in both, Ha and O3 now, and it is another
combination of different CCDs.
one shot and mono.
as for the sensitivity of CCD:
boy - that was a tremendous difference!
2.5 hours of O3 (2x2) showed much more data than 6 hours of Ha (2x2).
the SX H16 is very sensitive to green obviously, but way less
sensitive to red...unfortunately.
NP - it's just a matter of exp-time...*g*.
on the other hand - the 4021 chip is nice to handle, as it is qute
"calm"...
o.k. - end of speach - here we are with more than 12 hours tot. exp-time:
http://www.stargazer-observatory.com/M27-9.html
thanks for looking.
best regards,
Dietmar

[Starkler]

I always enjoy your images Dietmar. Thanks for sharing once again :)

[leon]

I have to agree, certainly a beauty, nice work.

Leon

[Matty P]

Absolutely stunning Dietmar.

Very well done. :)

[Outbackmanyep]

Holy crap! Thats AWESOME!!!!!

Love it!

[Ric]

A real beauty Dietz.

Fine work.

[Dietmar]

thanks a lot people!
I am now reconsidering adding some more lum and 1x1 binned o3 and ha.

[jase]

Most excellent work Dietz. I found it interesting the you were able to maintain the OIII traces in the ejecta. I had them in the OIII data I acquired, but after colour weightings it was gone. Even on the NB palette it wasn't so pronounced. Well done.

[strongmanmike]

Hey Diets, sorry I missed commenting on this one :eyepop:Lovely job! Very impressive image, the mouse over is neat too.

Once you have done long exposures it is hard to go back huh? The 20hrs I did on Centaurus A from dark skies was such a pleasure to process. Clear dark skies (unless you are doing just NB) and lots of data (Mega data as Fred V puts it) is deffinitely desirable. :love:

Mike