Home › Forums › Variable Stars › IX Dra: observations requested › Spectroscopy and magnitude
7 January 2021 at 1:37 pm #583667
Stewart John Bean
Robin , How bright does a star need to be to obtain a decent S/N ratio spectrum?
IX Dra is a bit faint perhaps, but ER Uma is brighter (V mag 13 maximum and better placed for observations ) and also approaching a superoutburst. See Discussion Forum on ER Uma and RZ Lmi.