4Cp28o07-20181231-S001-R001-B-233331.fts

Only less than 50 stars was detected

4Cp28o07-20181231-S001-R001-I-233717.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-31 14:37:18 16.18 0.259

4Cp28o07-20181231-S001-R001-R-233603.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-31 14:36:04 16.406 +/- 1.479 (3sigma) 15.812 +/- 1.482 (5sigma) 15.007 +/- 1.487 (10sigma)

4Cp28o07-20181231-S001-R001-V-233448.fts