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The package contains recreated astrometry.net index files 4107 to 4119 from
the original Tycho-2 catalog. Different to data.astrometry.net, a simple
Python script was used to convert RA, DEC, and MAG_VT of tyc2.dat and
suppl_1.dat into a FITS file. The commands to create index files are:
for i in `seq -w 7 11` ; do
build-astrometry-index -o index-tycho2-${i}.fits -i tyc2.fits -P $i -d 4 -S MAG_VT -B 0.1 -s 0 -r 1 -I 41${i} -M -i tyc2.fits
done
for i in `seq -w 11 19` ; do
build-astrometry-index -o index-tycho2-${i}.fits -P $i -d 3 -S MAG_VT -B 0.1 -s 0 -r 1 -I 41${i} -M -i tyc2.fits
done
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