notes for mrg_bsc5
csv values catalog number, RA, DEC, magnitude, parallax
python script to convert needed elements of bsc5 catalog to useful format for povray


f=open('catalog/catalog', 'r')
output=open('mrg_bsc5.csv', 'w')
for line in f:
    num=line[0:4]
    RAh=line[75:77]
    if RAh <> "  ":
        RAm=line[77:79]
        RAs=line[79:83]
        DECsgn=line[83]
        DECdeg=line[84:86]
        DECmin=line[86:88]
        DECsec=line[88:90]
        para=line[161:166]
        mag=float(w[102:107])
        if (para == "     ") or (para== ''):
            vpara=0.
        else:
            vpara=float(para)
    #    print line[0:4],line[75:90],line[102:107],line[161:166]
    #    print "RA: hours ",RAh," min ", RAm," sec ", RAs
    #    print "DEC: sign ",DECsgn," deg ", DECdeg," min ", DECmin," sec ", DECsec
    #    print "para ",para," mag ",mag
        deciRA=(float(RAh)+(float(RAm)+float(RAs)/60.)/60.)/24.*360.
        deciDEC=float(DECdeg)+(float(DECmin)+float(DECsec)/60.)/60.
        if DECsgn == "-":
            deciDEC=-deciDEC
        print >> output, num,",",deciRA,",",deciDEC,",",mag,",",vpara
f.close()
output.close()