M94: distance: 16 Ma, taille: 11'*12', mag: 8.9, brillance de surface: 22.1 mag/arc-sec²

Instrument: Meade ACF 10", STL11000M avec Autoguideur externe sur Diviseur optique E. Mallart, Monture AP900
Temps de pose: L: 4*10 min, RGB (3,3,2)*20 minutes, binning: 1*1, Tc = -20°C
Date: 17/03/2010
Lieu: SMU, SQ=20.0 mag/arc-sec²

Hubble Legacy Archive: color_hst_10402_06_wfpc2_f555w_f336w_wf_sci-RGB

Based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA).