Thursday, November 24, 2022

counted the symbols

Text arrived from Chris V...

He was preparing for a presentation and wanted to speak to the RASC Isabel Williamson Lunar Observing Program.

Specifically he wanted to know the numbers... 

Required vs. Challenge targets.

I pulled up my slide deck and shared those. But confessed that I wasn't 100% sure.

So I opened the original or master copy of the guide book. Then I replaced the instances of the copyright and registration symbols in the book that were used in the notes, footers, etc.

That let me isolate the symbols used for the target objects.

  • 268 required program targets
  • optional targets
    • 178 program challenge
    • 12 libration
    • 7 Canadian 
  • extra special optional targets
    • the 1000 challenge - named features
    • 12 challenge - W.H. Pickering unaided eye
    • plus challenge - ray system extent
    • plus challenge - libration features unaided eye

That's the official count.

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