Diferencies ente revisiones de «Estrella de carbonu»

Due to the insensitivity of night vision to rede and a slow adaption of the rede sensitive [[rod cell|eye rods]] to the light of the stars, amateur astronomers making [[Apparent magnitude|magnitude]] estimates of redered [[variable stars]], especially carbon stars, have to know how to deal with the [[Purkinje effect]] in order to not overstate the luminosity of the observed star.