Dr. Harold G. Corwin Jr.'s
NGC/IC Historical Notes &
Accurate Positions Database Files

Raw Database Files
Note: All positions are in Equinox B1950.0
Explanation of Accurate Position Files (Oct 26, 2020)
Explanation of Historical Notes Files (Oct 26, 2020)
Accurate Position FilesHistorical Notes Files
NGC 1 thru NGC 999 (Aug, 2006)NGC 1 thru NGC 999 (Aug, 2006)
NGC 1000 thru NGC 1999 (Aug, 2006)NGC 1000 thru NGC 1999 (Aug, 2006)
NGC 2000 thru NGC 2999 (Aug, 2006)NGC 2000 thru NGC 2999 (Aug, 2006)
NGC 3000 thru NGC 3999 (Aug, 2006)NGC 3000 thru NGC 3999 (Aug, 2006)
NGC 4000 thru NGC 4999 (Aug, 2006)NGC 4000 thru NGC 4999 (Aug, 2006)
NGC 5000 thru NGC 5999 (Aug, 2006)NGC 5000 thru NGC 5999 (Aug, 2006)
NGC 6000 thru NGC 6999 (Aug, 2006)NGC 6000 thru NGC 6999 (Aug, 2006)
NGC 7000 thru NGC 7840 (Aug, 2006)NGC 7000 thru NGC 7840 (Aug, 2006)
IC 1 thru IC 999 (Aug, 2006)IC 1 thru IC 999 (Aug, 2006)
IC 1000 thru IC 1999 (Aug, 2006)IC 1000 thru IC 1999 (Aug, 2006)
IC 2000 thru IC 2999 (Aug, 2006)IC 2000 thru IC 2999 (Aug, 2006)
IC 3000 thru IC 3999 (Aug, 2006)IC 3000 thru IC 3999 (Aug, 2006)
IC 4000 thru IC 4999 (Aug, 2006)IC 4000 thru IC 4999 (Aug, 2006)
IC 5000 thru IC 5386 (Aug, 2006)IC 5000 thru IC 5386 (Aug, 2006)
Accurate Positions Sources (NGC and IC) (Oct 10, 2020)

Derived Database Files
Explanation of Derived Files (Oct 10, 2020)
Equinox B1950.0Equinox J2000.0
NGC 1 thru NGC 999 (Oct 10, 2020)NGC 1 thru NGC 999 (Oct 28, 2020)
NGC 1000 thru NGC 1999 (Oct 10, 2020)NGC 1000 thru NGC 1999 (Oct 28, 2020)
NGC 2000 thru NGC 2999 (Oct 10, 2020)NGC 2000 thru NGC 2999 (Oct 28, 2020)
NGC 3000 thru NGC 3999 (Oct 10, 2020)NGC 3000 thru NGC 3999 (Oct 28, 2020)
NGC 4000 thru NGC 4999 (Oct 10, 2020)NGC 4000 thru NGC 4999 (Oct 28, 2020)
NGC 5000 thru NGC 5999 (Oct 10, 2020)NGC 5000 thru NGC 5999 (Oct 28, 2020)
NGC 6000 thru NGC 6999 (Oct 10, 2020)NGC 6000 thru NGC 6999 (Oct 28, 2020)
NGC 7000 thru NGC 7840 (Oct 10, 2020)NGC 7000 thru NGC 7840 (Oct 28, 2020)
IC 1 thru IC 999 (Oct 10, 2020)IC 1 thru IC 999 (Oct 28, 2020)
IC 1000 thru IC 1999 (Oct 10, 2020)IC 1000 thru IC 1999 (Oct 28, 2020)
IC 2000 thru IC 2999 (Oct 10, 2020)IC 2000 thru IC 2999 (Oct 28, 2020)
IC 3000 thru IC 3999 (Oct 10, 2020)IC 3000 thru IC 3999 (Oct 28, 2020)
IC 4000 thru IC 4999 (Oct 10, 2020)IC 4000 thru IC 4999 (Oct 28, 2020)
IC 5000 thru IC 5386 (Oct 10, 2020)IC 5000 thru IC 5386 (Oct 28, 2020)
Entire Catalogues
Entire NGC (Aug, 2006)Entire NGC (Oct 28, 2020)
Entire IC (Aug, 2006)Entire IC (Oct 28, 2020)

Note: All files, as uploaded by Dr. Harold G. Corwin, Jr. are dated August, 2006
except where noted.