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Type Ia supernova

Alert Notice 503: Request for regular monitoring of the symbiotic variable RT Cru

Notes:  Discussion forum thread created for this campaign at Campaigns and Observation Reports: https://www.aavso.org/rt-cru-monitoring-campaign  -  Elizabeth O. Waagen, 21 May 2020

This campaign has been extended indefinitely. Dr. Karovska requests monitoring of RW Cru until further notice.  -  Elizabeth O. Waagen, 17 April 2020

Alert Notice 487: Supernova 2013dy in NGC 7250 = PSN J22181760+4034096

July 19, 2013

Event: Supernova 2013dy in NGC 7250 (Lacerta) = PSN J22181760+4034096

Independent discovery by:
 - Lick Observatory Supernova Search (LOSS), reported by C. Casper, W. Zheng, W. Li, and A. V. Filippenko (University of California at Berkeley) and S. B. Cenko (Goddard Space Flight Center)
 - Kuniaki Goto (Miyoshi-shi, Hiroshima Prefecture, Japan), communicated by Shoichi Itoh (National Astronomical Observatory of Japan)

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