CCD Observations Object YYYYMMDD.DDD(UT) Mag Obs. Seq./Chart Remarks ASASSN-17pm 20171218.947 15.40V MRV Landolt COAST; Err 0.05; 2nd rebrightening Instrument: 35.6 cm f/11 SCT (COAST) Observer: Robert J. Modic (MRV), AAVSO