Sunday, July 25, 2021
tried cross-hair method
I tried John McCue's for measuring a double star's separation and position angle with a simple cross-hair eyepiece (reference from Cloudy Nights). Can't do it. I'm certain his article is missing steps. Or there are errors in his formulae. Just doesn't make sense.
Labels:
double stars,
science
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment