pro ditherplot
readcol,'dithertargets2',name,n,ra1,ra2,ra3,dec1,dec2,dec3,format='a,f,f,f,f,f,f,f'

ra=ra1+ra2/60.+ra3/3600.
dec=dec1+dec2/60.+dec3/3600.

i=[0,1,2,3,4,5]

for j=0,30 do begin
a=min(ra(i))
b=max(ra(i))
c=min(dec(i))
d=max(dec(i))
print,a-b,c-d
plot,ra(i),dec(i),psym=2,xrange=[a,b],yrange=[c,d]
print,name(i),ra(i),dec(i)
i=i+6
read,temp
endfor

end