Imaging flats

Below are tables that provide estimates for the maximum number of counts for a given exposure time using the imaging lamp. Please check the count level before acquiring several flats in a row because the lamp intensity may vary with time and dichroic type. . ... Note: Table is being built. Sorry for the inconvenience.

LRIS BLUE:

Filter Dichroics
Mirror 680 560 500 460
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
V 10 8,000 10 10,000 N/A N/A
G 30 10,000 30 10,000 30 6,000 60 6,000
B 90 11,000 90 12,000 90 11,000 90 9,000
U

LRIS RED:

Filter Dichroics
Mirror 680 560 500 460
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
time
(s)
ADUs
@ Max
V 10 10,000
R 18 11,000 6 10,000 6 10,000 6 10,000
I 5 14,000 5 12,000 5 12,000 5 12,000