My conditions were quite variable and got worse later in the run. These are the weights that ISIS used. I probably should have given up after #9Paolo Berardi wrote:Hi Robin, the SNR seem to me similar but my exposure time was much longer. Maybe there was a balance between integration time and telescope aperture.
Weight for profile #1 : 1.0000
Weight for profile #2 : 0.9733
Weight for profile #3 : 0.9283
Weight for profile #4 : 0.7249
Weight for profile #5 : 0.6639
Weight for profile #6 : 0.8095
Weight for profile #7 : 0.7645
Weight for profile #8 : 0.7606
Weight for profile #9 : 0.6367
Weight for profile #10 : 0.5335
Weight for profile #11 : 0.5104
Weight for profile #12 : 0.4574
Weight for profile #13 : 0.4499
Weight for profile #14 : 0.4485