October 12, 2007       Obs.= jagdev singh

Cloudy sky most of the day. Observations taken through gaps

3rd order  7892   Filter = R 66          G1 focus   old nori. ccd    Cirrus PC
4th order  6374   Filter = Asahi 637     G3 focus   new nori. ccd    Hotoku PC

No G3 lens

GC = 19.410       Focus = 44     lambda = 199.5     
Slit = 120 microns

ROI 
    R   = 192   64  255  396 1 1 1 1 
    XI  =   4   23  502  386 1 1 1 1 

rwire             ND 03   Exp= 1 s  ; Through clouds
xwire             ND 03   exp = 1 s  ; Through clouds
rwire1             ND 03   Exp= 1 s  ; Through clouds
xwire1             ND 03   exp = 1 s  ; Through clouds
rdisk1             ND 03   Exp= 1 s  ; Thin clouds
xdisk1             ND 03   exp =1 s  ; Thin clouds

Scan 1

    Region = East limb                   PA = 115
    Image rotator = 25 degree 
    Step size = 3 arcsec    No. of steps = 41 
    EXP =  10 s for  XI line 
    exp =  10 sec 6374  line  
    Inversion = yes
Scan started from the larger heights
                   		Start at  10 08 JST
Files are   r1_*** , xi1_*** 

Scan 2

     Region = East limb 	           PA = 115
    Image rotator = 25 degree 
    Step size = 3 arcsec    No. of steps = 51 
    EXP =  20 s for  XI line 
    exp =  20 sec 6374  line  
    Inversion =  yes
Scan started from the larger height
                                Start at   10  19 JST
Files are   r2_*** , xi2_*** 

rdisk2             ND 03   Exp= 0.5 s  ; 
xdisk2             ND 03   exp = 0.5 s  ; 


rflat1 to rflat6     ND= 0.3+.25+.13    Exp  = 1- 2 sec  ;Through clouds
xflat1 to xflat5     ND= 0.3+.25+.13    Exp  = 0.5 - 1 sec ; Through clouds


xdark1          exp = 1 sec
xdark10         exp = 10 sec
xdark20         exp = 20 sec


rdark1          exp = 1 sec
rdark10         exp = 10 sec
rdark20         exp = 20 sec


Respective darks were taken.

NOTE:Occultor and solar image were focussed for the Red 6374 line only.
   Also occultor was set such that it did not cover the chromosphere.
  One is able to start the spectra from couple of arcsec from the limb