AEC and PFB
(3-Aug-2019, initial version by Aki Takeda)
Close look at XOB #1BCB (for HOP362: coordination with Hida and IRIS)
Seqn = 92 : Stray light monitoring + Dark (every 1 hour)
Seqn = 71 : bright feature
Seqn = 2 : main sequence. thin_Be & Al_poly, 512x512, AEC=2.
Seqn = 58 : pre-flare buffer images.
AEC: Automatic Exposure Control
AEC in the Blue Book
Current setting of AEC table (#000A).
AEC No.
ULT
LLT
UFR
LFR
UFR/(2^16)
LFR/(2^16)
1
2500
500
16
500
0.02%
0.76%
2
2500
2500
3932
665
6.0%
1.0%
3
2500
500
0
500
0%
0.76%
PFB: Pre Flare Buffer
PFB in the Blue Book (1)
PFB in the Blue Book (2)