TITLE: GCN CIRCULAR NUMBER: 13126 SUBJECT: GRB 120326A: Maisoncelles Observatory optical observations DATE: 12/03/27 04:40:33 GMT FROM: Alain Klotz at CESR-CNRS Soulier J.-F. (Observatoire de Maisoncelles) reports the observation of the afterglow of GRB 120326A 19.7 hours after the GRB using a 30cm F/4 telescope at the Observatoire de Maisoncelles, France (IAU observatory code is C10). A CCD camera ST7XME and no filter were used. A stack of images shows clearly the presence of the afterglow that confirms the rebrightening mentioned by Gorosabel et al. (GCNC 13112): Tgrb + start end Rmag error 19.7h 20.7h 18.6 0.1 We used the star NOMAD1 1593-0145121 (ra,dec)=(273.9707306,+69.3063278) as reference R=15.32. Magnitudes are not corrected for galactic dust extinction.