October 23, 2007 Obs.= jagdev singh Clear sky in the morning itself. 2nd order 10747 & 98 Filter = RM 90 G1 focus Kodaikanal CCD Fujimi PC 3rd order 7892 Filter = R 66 G1 focus old nori. ccd Hotoku PC 4th order 5303 Filter = Asahi 530 nm G3 focus new nori. ccd Cirrus PC No G3 lens GC = 17.045 Focus = 56 lambda = 206 Slit = 120 microns ROI G = 6 77 500 430 1 1 1 1 Cirrus PC Ir = 316 52 298 922 1 1 1 1 Fujimi PC XI = 192 213 254 288 1 1 1 1 Hotoku PC idisk1 ND 03 Exp= 0.5 s ; clear sky xdisk1 ND 03 exp =0.5 s ; gdisk1 ND 03 Exp = 0.5 sec Scan 1 Region = West limb PA = Image rotator = 26 degree Step size = 4 arcsec No. of steps = 26 EXP = 20 s for XI (7892A)line exp = 20 sec 5303 line 20 sec 10747 & 10798 lines Inversion = No Scan started from the limb Start at 15 21 JST Files are ir1_*** , xi1_*** g1_*** Scan 2 Region = West limb + 80 arcsec PA = Image rotator = 26 degree Step size = 5 arcsec No. of steps = 26 EXP = 60 s for 5303 line exp = 60 sec 7892 line & 10747 and 10798 lines Inversion = No Scan started from the limb Start at 15 37 JST Files are ir2_*** , xi2_*** and g2_*** idisk2 ND 03 Exp= 0.5 s ; Clear sky xdisk2 ND 03 exp =0.5 s ; gdisk2 ND 03 Exp = 0.5 sec iflat1 to iflat6 ND= 0.3+.25+.13 Exp = 5 sec ;Through high clouds gflat1 to gflat8 ND= 0.3+.25+.13 Exp = 1 sec ; by moving the grating xflat1 to xflat5 ND= 0.3+.25+.13 Exp = 0.4 sec ; Through high clouds xdark1 exp = 1 sec xdark20 exp = 20 sec xdark60 exp = 60 sec idark1 exp = 1 sec idark20 exp = 20 sec idark60 exp = 60 sec gdark1 exp = 1 sec gdark20 exp = 20 sec gdark60 exp =60 sec Respective darks were taken.