RX Vol: refined superhump period Dear Colleagues, We have received further data from Peter Nelson. There was no further development of the superhump amplitude. The present peak amplitude of the superhumps are slightly smaller than those of long-period SU UMa-type dwarf novae, but is a more usual value for short-period (especially WZ Sge-like) systems. The refined superhump period of 0.06117(5) d. There has been a marginal trend of a slight period decrease, but this needs to be examined in detail by further observations. Regards, Taichi Kato VSNET Collaboration team

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