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TrevorW
09-05-2009, 08:34 AM
A single frame 1/640 second adjusted is PS7 for colour balance taken with GSO 8" RC which had yet to be collimated or accurately focused

Cheers

:whistle:
Quark
09-05-2009, 10:58 AM
Hi Trevor,

Why would you not collimate and focus the scope, first?

Cheers
Trevor
dpastern
09-05-2009, 11:47 AM
hehehe Trevor - getting there with that RC! Pity it's soft though :( Contrast looks good.

Dave
scarper
09-05-2009, 02:12 PM
As said previously soft image, also on my calibrated monitor looks like slightly mauve tinge to it.
dpastern
09-05-2009, 02:37 PM
Agreed Mart.

Dave
TrevorW
09-05-2009, 02:37 PM
I just took the shot as an experiment before spending the rest of the night collimating the scope using CCDInspector.

It was just to see the size of the frame compared to what I would capture at prime focus through the 80ED.

The tinge may have been because of the filter I was using
iceman
09-05-2009, 02:51 PM
It's a shame you can't fit the whole moon! Can you use a reducer with it?
scarper
09-05-2009, 03:13 PM
look forward to one with the collimation and adjustments done :)
TrevorW
09-05-2009, 03:29 PM
Mike I will be trying a WO Flat II .8 with it, in theory it should work but I won't know until I give it a try

Cheers
TrevorW
09-05-2009, 10:07 PM
This is an image taken tonight full moon uncropped using WO Flat II FR 1 frame
dpastern
09-05-2009, 10:32 PM
Still looks a bit soft, also, did you apply any noise reduction to it?

Dave
TrevorW
09-05-2009, 11:48 PM
No noise reduction don't know whether the modified Canon makes a difference as to why it's soft could also be the seeing as some cloud about tonight and was warm day here by the way both images were taken around 7:00pm so moon was still low in sky (no filter)

I think focus although OK see attached image Mimosa this is a stack of 20 x 10 seconds, darks, flats applied uncropped, unguided
dpastern
10-05-2009, 12:32 AM
Interesting, that's sharp/well focused. I'm not sure why the moon looks so soft, but Mimosa looks fine...I'm sure someone else will though!

Dave
TrevorW
10-05-2009, 09:30 AM
Dave still not 100% sure about my collimation spent Friday night trying to get it right by eye, looked OK but after analysis of a stack of 5 frames in CCD shows different results. Anyone know how to read these.