AAVSO Alert Notice 454Monitoring of CH Cyg Requested for Chandra and HST Observations
March 2, 2012
Dr. Margarita Karovska, Harvard-Smithsonian Center for Astrophysics, has requested visual and photometric observations of the symbiotic variable CH Cyg in preparation for and support of Chandra and HST observations scheduled for later in March 2012. Dr. Karovska’s observations will be a followup investigation … Read the rest of this article





