NARO_190-20210217-S001-R001-B-200643.fts
Only less than 50 stars was detected


NARO_190-20210217-S001-R001-I-201046.fts
No WCS


NARO_190-20210217-S001-R001-R-200924.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2021-02-17 11:09:25
15.004 +/- 1.590 (3sigma)
14.498 +/- 1.592 (5sigma)
13.811 +/- 1.597 (10sigma)


NARO_190-20210217-S001-R001-V-200801.fts
Only less than 50 stars was detected