I calculated the minimum time. minI AQLOO 2453690.212 0.001 Hel SSW n=12 (calculated by Nagai) OO Aql JD(hel)=2453690.212 C=2453690.179 E=29750 O-C=+0.033 - 15/Nov/2005 OO Aql (By Mr.Swierczynski) - 09 + | + * | * * * 10 + * * * | * * + *** | 11 + +-----------------+-----------------+ 16 17 18 (UT)