StartDate: 20090520	
Object:  xo1	
Observer: Norby, Bill (NWP)	
E-mail  : wpnorby@prodigy.net	
Location: Missouri	
Latitude: +38.7875	
ELongitude: -90.59083	
Aperture: 10-inch	
Filter: BB	
Exposure: 45 sec	
ClkCorrn: 0	
Comment: 10 min pre-ingress, clear, wind 5-10 mph, no moon, start time 60 minutes after local sunset	
Comment: Differential Photometry using four reference stars	
Loss column: N	
	
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