3C273-20190121-S001-R001-B-050239.fts
Only less than 50 stars was detected


3C273-20190121-S001-R001-I-050624.fts
relative photometry graph from USNO-B1 catalog
Date UT magnitude mag_erorr
2019-01-21 20:06:26 12.27 0.006


3C273-20190121-S001-R001-R-050510.fts
Only less than 50 stars was detected


3C273-20190121-S001-R001-V-050356.fts
Only less than 50 stars was detected