Re: [nfc-l] moonwatch volume

2009-09-08 Thread David Mozurkewich
On Tue, 2009-09-08 at 06:49 -0700, Jeff Wells wrote: > I'll bet that this question has been answered in the moonwatching > literature or someone out there has done the calculations but as I was > moonwatching last week and over an hour counted about a hundred birds, > it occurred to me that based

[nfc-l] moonwatch volume

2009-09-08 Thread Jeff Wells
I'll bet that this question has been answered in the moonwatching literature or someone out there has done the calculations but as I was moonwatching last week and over an hour counted about a hundred birds, it occurred to me that based on this sample I could roughly calculate how many birds may