CCD Observations Object YYYYMMDD.DDD(UT) Mag Obs. Seq./Chart Remarks TCPJ18154219+3515598 20170808.904 16.33V MRV Tycho-2 COAST; Err 0.06 TCPJ18154219+3515598 20170810.099 15.98V MRV Tycho-2 COAST; Err 0.06 Instrument: 35.6 cm f/11 SCT (COAST) Observer: Robert J. Modic (MRV), AAVSO