Quote:
Originally Posted by sjastro
Shooting at lower f/ratios (lower FL) results in a larger pixel scale and camera noise less obvious on faint objects. The fainter nebulosity may appear to be smoother but you are not going any deeper.
Regards
Steven
|
Agreed. Visually the faint stuff should look brighter then. 11" at F/2 ot F/1.8 is approx 510mm FL with an image scale of 3.2arcsec/pixel with the QHY8. I calculated the FOV to be just a bit bigger than my 5" newt at F/5