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Nova Eri 2009 (prediscovery images)

ATel #2409; Bill Allen (Vintage Lane Observatory, New Zealand), A. de Ugarte Postigo (INAF-OAB Brera, Italy), A. J.Castro-Tirado, J. Gorosabel, M. Jelinek, R. Cunniffe, S. Guziy (IAA-CSIC Granada, Spain), P. Kubanek (IPL Univ. Valencia and IAA-CSIC, Spain), P. Yock (Auckland Univ., NZ), I. Bond (Massey Univ, NZ) and G. Christie (Stardome Obs, NZ)
on 29 Jan 2010; 07:56 UT
Credential Certification: Alberto J. Castro-Tirado (ajct@iaa.es)

Subjects: Optical, Nova

Using the CASANDRA-3 all-sky camera (Castro-Tirado et al. 2008, Proceedings of the SPIE, Volume 7019, pp. 70191V-70191V-9) at the BOOTES-3 robotic observatory located in Blenheim, New Zealand we have observed the pre-discovery images of Nova Eri 2009 determining the following magnitudes. The reference star used was HD 30076, m = 5.87. 2009 UT m Nov 12.631 not visible < 9.0 Nov 13.658 6.51 Nov 15.578 5.82 Nov 24.634 8.34