History and Accurate Positions for the NGC/IC Objects
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The files icpos.dat and ngcpos.dat are intended to provide a handy source for fairly accurate positions for the NGC/IC objects. They have only one entry per object, giving an...
文件icpos.dat与ngcpos.dat旨在为NGC/IC天体提供便捷易用、精度较为可靠的位置信息参考源。每个天体仅包含一条记录，用于提供……
