Telescope Resolution, FWHM, and HFR

21:54
Adding Ha to Red or Luminance Data

22:21
Maximizing Telescope Resolution - Dawes vs Nyquist Limits and the Effect of Seeing

17:09
Considering Full Width at Half Maximum (FWHM)

19:42
Celestron SCT Back Focus Study at Native and Reduced Focal Lengths

18:29
ZWO Fan Vibration and Elongated Stars - Analysis and Measurement

27:51
What camera and pixel size for YOUR scope? Full explanation, let's get NERDY!

28:54
ASTRONOMY BASICS: WHAT ARE ARC MINUTES AND ARC SECONDS?

21:15