4C_14o23-20210218-S001-R001-B-004258.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2021-02-18 15:43:01
16.177 +/- 1.397 (3sigma)
15.472 +/- 1.401 (5sigma)
14.517 +/- 1.408 (10sigma)


4C_14o23-20210218-S001-R001-I-004706.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2021-02-18 15:47:07
15.710 +/- 0.832 (3sigma)
15.186 +/- 0.833 (5sigma)
14.476 +/- 0.835 (10sigma)


4C_14o23-20210218-S001-R001-R-004542.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2021-02-18 15:45:43
15.745 +/- 0.783 (3sigma)
15.210 +/- 0.784 (5sigma)
14.486 +/- 0.786 (10sigma)


4C_14o23-20210218-S001-R001-V-004417.fts
Only less than 50 stars was detected