DataLabel	Date Time	Log Entry
GN-2010B-SV-142-267-002	2010-07-29 18:41:53	Pupil is vignetted at default decker position. Low counts also.
GN-2010B-SV-142-267-003	2010-07-29 18:44:51	PAH filter counts v. low. Stick with broad K, longer Texp.
GN-2010B-SV-142-267-004	2010-07-29 18:46:46	Texp OK now.
GN-2010B-SV-142-267-005	2010-07-29 18:50:15	Acq decker - better but still vignetted. Will move from 4900 to 5500 (as we used for the pupil alignment) and see if that still works. N20100729S0005-1, yes it did.