... Estimated magnitude: +2 - +3 m. List of Supernova Pages on the Web . ... the brightness of a bright star (approximately 0 magnitude) at the end of March 1996 ... At the time of perihelion Comet Hale-Bopp was at - 0.7 magnitude. ...
... he examined a variety of first magnitude stars with a simple prism spectrograph and ... 6) investigated the relation of the absolute magnitude of stars and their spectral ...