B2_0619p33-20181221-S001-R001-B-043816.fts
Only less than 50 stars was detected


B2_0619p33-20181221-S001-R001-I-044210.fts
No WCS


B2_0619p33-20181221-S001-R001-R-044056.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2018-12-21 19:40:57
14.281 +/- 2.089 (3sigma)
13.767 +/- 2.092 (5sigma)
13.069 +/- 2.099 (10sigma)


B2_0619p33-20181221-S001-R001-V-043940.fts
Only less than 50 stars was detected