These are estimates 
of the gain and readout noise for I sky flats and
biases taken
with Minicam at the MMT on 09/21/03, (using 2x 
binned images, one estimate for each amplifier):
<pre>
mscfindgain 21sept03.0170 21sept03.0171 21sept03.0138 21sept03.0139.fits \
sect="[200:400,400:600]" 
  IM1:                         IM2:			   
  Gain       =  2.75 e-/ADU    Gain       =  2.85 e-/ADU
  Read noise =  5.05 e-	       Read noise =  4.63 e-    
  IM3:                         IM4:			    
  Gain       =  3.32 e-/ADU    Gain       =  3.10 e-/ADU 
  Read noise =  4.82 e-	       Read noise =  4.77 e      
</pre>