[AZ-Observing] Re: magnificent Moonbow, Thursday midnight
- From: Janis Schoenfeld <ganymedes@xxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Fri, 16 Dec 2005 16:01:23 -0700
Hi....Is your Dad's name Sheldon Skiff by any chance?
Janis Schoenfeld
Brian Skiff wrote:
>>> Don't be so quick to discount dust, smoke and other pollution from
>>> affecting what we see. There are other effects at work too, e,g,
>>> diffraction and interference.
>>>
>>>
>
> The 22-deg halo that Steve noted arises only from hexagonal ice
>crystals. The local low-level crud is both too small (mainly) and
>also irregularly shaped.
>
>\Brian
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