A Visual Guide to Telescope Eyepieces

Hi Folks,

Not too long ago, I bought a telescope. I guess that makes me an amateur astronomer.

If you buy a camera, you are a photographer. If you buy a flute, you own a flute.
Bob Kolbrener

So maybe I just own a telescope.

I certainly need some help when it comes to choosing things like eyepieces, so I was thrilled to come upon a very thorough list of eyepieces assembled by Starman1 (Don) over at Cloudy Nights.

But a spreadsheet is one thing—a viz is better. My take at an explorative viz is online over at Tableau Public. (I wish I could figure out how to embed something here, but all I can manage is a screenshot.)

eyepiecesGo ahead and tweak the parameters to find the eyepiece you’re looking for. Some details on how I built it are below the fold. Continue reading