Spectrum last night › Forums › Variable Stars › Recurrent Nova RS Oph › Spectrum last night 13 August 2021 at 9:22 am #584601 Alun HalseyParticipant Acquired another spectrum last night (12th) using Lhires III and C9.25. Acquisition time of 21 minutes (7x180sec) with 23 micron slit. Alun
