CCD Observations Object YYYYMMDD.DDD(UT) Mag Obs. Seq./Chart Remarks TCPJ18154219+3515598 20170731.021 16.19V MRV Tycho-2 COAST; Err 0.06 Instrument: 35.6 cm f/11 SCT (COAST) Observer: Robert J. Modic (MRV), AAVSO