[AZ-Observing] Re: Weekend Observing

  • From: Brian Skiff <bas@xxxxxxxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Mon, 27 Feb 2006 12:28:07 -0700 (MST)

>>  ...the infrared photometry (JH bands) was horrible.
>>  ...I tried measuring extinction in the JH bands and got
>>  an inverse extinction.

     How are you measuring extinction?  Are you following a star
from the meridian down to higher airmass?

\Brian
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