I calculated the minimum time.
minI CYGZZ 2453673.333 0.001 Hel SSW n=18 (calculated by Nagai)
ZZ Cyg JD(hel)=2453673.333 C=2453673.378 E=13797 O-C=-0.045
- 29/Oct/2005 ZZ Cyg (By Mr.Swierczynski) -
+
| *
11 + * * *
| * *
+ * *
| ** * *
12 + * * * *
| **
+
+-----------------+-----------------+
19 20 21 (UT)