- 艾森最新目视观测: 2013 10 09.48 UT: m1=10.6C, Dia.=4.0', Tail=12.7' in PA 298 deg ...11-cm refractor + CCD ...A. Novichonok (remotely Mayhill, U.S.A.)/////C/2012 S1 ISON 2013 Oct 09.74 UT; m1=10.1; Dia= 2.5’ DC= 2; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]展开全文
