Quote:
Originally Posted by Placidus
Bravo, sharp, clear, and poignant. Nicely chosen and well presented.
|
Thanks Mike.
Quote:
Originally Posted by Geoff45
Really good Marc. 3579 is superb. It's just a pity you couldn't get an ever so slightly bigger field.
Geoff
|
Thanks Geoff.
My fov is only 0.4 x 0.3 degrees so only good for close ups.
Quote:
Originally Posted by Atmos
I particularly like NGC 3579, nicely done Marc  Considering that the QHY9 is a fairly small sensor I thought that the correction on the C11 was better off-axis. |
Thanks Colin.
No way. Stock C11 circa 2000. I was actually slightly out of focus on NGC3579 which just makes the field curvature worse. You have to be spot on with focus to get a relatively flat field.
Quote:
Originally Posted by strongmanmike
They look a little soft  ... the field distortions and tracking issues look like they have negated some of the good seeing, that must be annoying  at least you were out....I was being lazy 
Mike |
Yes the guiding has let me down for sure. I figured out overnight why my guiding was jumping. Turned out that the scope tube slightly rotated ~10 degrees in the parallax rings so the guider wasn't squared in regard to RA/DEC. During calibration I noticed the N/S run wasn't horizontal and didn't think too much about it at the time but now it makes sense. Every guiding correction in RA caused the DEC to fire up too and vice versa. At that FL and image scale (0.4asp) with my mount already at its weight limit it's pretty unforgiving. I have a few ideas how to fix that and make the whole thing even stiffer so it doesn't happen again.
Quote:
Originally Posted by LewisM
Zut alors, mon petit champignon...  |
Oui, c'est quoi cette merde?