[AccessD] Stunning...

Get this man some work quick.  Too much time on his hands!

;)

John W. Colby
Colby Consulting

Reality is what refuses to go away
when you do not believe in it

On 5/15/2012 6:12 PM, Stuart McLachlan wrote:
> Your numbers didn't look right,  1 degree covers a lot more thean on 24 millionth of the sky.
> (And which "it" comes first in your second sentence<v>)
>
> So I checked :-)
>
> The HDF covers an area of  5.3 square arcminutes   Allowing for the missing blocks (3/16) in
> the square image, that means that it covers about 2.4 arcminutes per side.
>
> The moon subtends about 1/2 a degree (54 arc minutes).  Being round, that means that it
> cvers about 170 square arcminutes ( 54 x pi)
>
> So  the HDB covers an area of about 1/30th of the moons visible disk.  You could fit about 10
> HDFs images across the "equator" of an image of the  moon on the same scale.
>
> The HUDF is actually a bit larger in coverage than the HDF  (about 3 arcminutes across or 9
> square arcminutes in total)
>
>
> Your one 24 millionth of the total area of the sky is correct, the HUDF covers about one 13
> millionth.
>
>