[TML] The Sky at Night?

[Ewan Quibell]

Patrik Holmstrom wrote:

> After checking why Tim got other numbers than than me I found a slight
> error in my spreadsheet. For a F7V (lum=2.1) I get an apparant
> magnitude of -12.6 and the G2V (lum=1) gets -11.7 which is full moon
> resp. half that. The light during overcast conditions would of course
> depend on exactly how thick the clouds are. I have found numbers from
> 3-15% but I have no idea how valid they are. Anyone?

Many Thanks for the replies guys.

Best Regards

Ewan
-- 
  ewan at quibell.org.uk

  They shall grow not old, as we that are left grow old;
  Age shall not weary them, nor the years condemn.
  At the going down of the sun and in the morning
  We will remember them.
			Laurence Binyon

  My spelling is entirerly due to dyslexia, typos, and poetic license