H

3

This survey was conducted with the instrumentation available at the San Pedro Martir (SPM) observatory (Ensenada, Mexico) of the UNAM.

PI: Prof. Giuseppe Gavazzi

giuseppe.gavazzi@mib.infn.it

An Hα narrow-band imaging survey of 959 galaxies selected from the HI Arecibo Legacy Fast ALFA Survey (ALFALFA) in the Local and Coma Superclusters