Quote:
Originally Posted by Peter Ward
The background smoothness is probably due a number of factors, No diffraction spikes, superb optics (the Honders ( a 12" F3.8 scope ) is fully corrected for all 5 Seidel aberrations spherical, coma, astigmatism, field curvature and distortion), the camera being at -40C, a 3nm filter, plus had a good calibration data set.
Guiding was at a modest 5Hz....hence it's pretty much all signal, no noise.
|
Thanks for the reply. That's amazingly smooth background for no noise reduction. Almost doesn't look right and you should throw some noise in there
