Special Notice #57: Update on V5558 SGR (N Sgr 07) and N VUL 07 [V458 Vul] August 14, 2007 V5558 SGR (N SGR 07) Tags AAVSO Special Notice V5558 Sgr N Sgr 07 N Vul 07 Nova Sgr 2007 Nova Vul 2007 V458 Vul nova AAVSO International Database Read more about Special Notice #57: Update on V5558 SGR (N Sgr 07) and N VUL 07 [V458 Vul]