13 mars 2010
HD58713, new magnitude record !
Be star, A2Ve spectral type, HD58713 is from magnitude 8.68. New record of low brightness for my setup, Tak CN212 scope, LhiresIII 2400gr/mm and an Atik314L+ ccd camera. The sky was hazy, and not enough exposure time to get a good snr, about 10 here....