IRAF>doc sn1987a 5173 20020812 av Raw data directory /data/cass55b/optics/20020812/ Reduced data directory /data/cass55b/rgs/20020812/ file1 /data/cass55b/optics/20020812/sn1987a_5173_c1_000.fits Loops 3 Reads 10 Stack file /data/cass55b/rgs/20020812/sn1987a_5173_raw.fits exists Reading data reduction keywords from header /data/cass55b/rgs/20020812/sn1987a_5173_raw.fits[0] Checking logic of required data reduction steps LOGIC_CHECK: zoffchk Zeroth read is in read 9 (Note reads are numbered from 0) Zeroth read is in extension 14 LOGIC_CHECK: Sorry cridchk isn't written yet DOCIRPASS: Creating sn1987a_5173_ima.1.fits /data/cass55b/rgs/20020812/sn1987a_5173_raw.fits -> sn1987a_5173_ima.1.fits Running zerosub zerosub: Subtracting the zeroth read from all subsequent reads, but leaving the reads before the zeroth read unchanged. zerosub: Zeroth read, readout after 32200.000000 milli seconds Running cosmic combining loops and rejecting cosmics ### REMEMBER to epar imcombine ### to set lsigma,hsigma,rdnoise,gain Sep 10 19:04: IMCOMBINE combine = average, scale = none, zero = none, weight = none reject = crreject, mclip = yes, nkeep = 1 rdnoise = 17, gain = 7, snoise = 0.2, hsigma = 3. blank = 0. Images tmp_sn1987a_5173_ima.11 tmp_sn1987a_5173_ima.12 tmp_sn1987a_5173_ima.13 Output image = tmp_crsn1987a_5173_ima.1, ncombine = 3 Rejection mask = rej_crsn1987a_5173_ima.1.pl z1=0.1669922 z2=139.1753