The coordinates included in the email version of AAVSO Special Notice #334 were incorrect. AAVSO Special Notice #335 (http://www.aavso.org/aavso-special-notice-335 [1]) gives the correct coordinates and a finder chart that unambiguously identifies GR Ori. See AAVSO Special Notice #335 for details.
Good observing - Elizabeth Waagen, AAVSO HQ
Links:
[1] http://www.aavso.org/aavso-special-notice-335
[2] http://www.aavso.org/forums/variable-star-observing/campaigns-observation-reports