I calculated the minimum time. minI DRAAI 2453830.430 0.001 Hel SSW n=14 (calculated by Nagai) AI Dra JD(hel)=2453830.430 C=2453830.406 E=8791 O-C=+0.024 - 04/Apr/2006 AI Dra (By Mr.Swierczynski) - 07 + | * * | * * * | * * * + * * | * * | * * | 08 + +--------+--------+--------+--------+ 20 21 22 23 24 (UT)