FILTER DATA
Calibration frame exposure times in seconds (Bin 2x):
0.10
2.0
30
240
0.25
4.0
60
0.50
7.5
120
1.00
15.0
180
Seeing: <1.5” excellent; <2.5” good; <4.0” fair
Ha: 653–659 nm SII: 669-675 nm OIII: 498–504 nm