I calculated the minimum time. minI LACAR 2453651.418 0.017 Hel SSW n=12 (calculated by Nagai) AR Lac JD(hel)=2453651.418 C=2453651.520 E=6080 O-C=-0.102 - 07/Oct/2005 AR Lac (By Mr.Swierczynski) - 06 + | | * + * | * * * * | * * * * 07 + * * | | + +----+----+----+----+----+----+----+- 18 19 20 21 22 23 24 25 (UT)