A murky night with scattered high cloud and lots and lots of moisture. Very humid - which resulted in a very damp telescope by the end of the night. I decided to simply whack the CLS filter onto the camera, and rove around the sky a bit in 2x2 binning mode.
For a 5 frame stack, I'm pretty stunned at how well this has come out. This nebula must be very bright! As usual the CLS filter slices through the light pollution, which is very strong in that direction.
I've had a recent problem with my RA motor - kept stalling when tracking. After some phaffing about, I seem to have fixed this. However, the periodic error still seems a bit high and the guiding is struggling. More tweaking required. DEC guiding is much better as I've discarded the belt drive on this axis and gone back to using the gears. The belt seems to go slack between guiding corrections, which resulted in very jerky DEC guiding. The gears do not have this problem.
Captured in Artemis Capture. Calibrated in ImageViewCa. Stacking in Maxim. DDP in maxim. Post processing in photoshop.
This image was autoguided using my 400mm focal length refractor and my black and white SC1 webcam.
Current Imaging equipment configuration
Exposure Details :
Coma Corrector CLS 5x120s on 200mm @ F5 with ART285
Curdridge Observatory, Southampton,UK