DF Cyg still faint RVB star, faint phase. YYYYMMDD(UT) mag observer 20000429.756 130 (T. Watanabe) 20000504.603 126 (T. Watanabe) 20000521.538 135 (T. Watanabe) 20000523.774 138 (T. Watanabe) 20000528.539 126 (T. Watanabe) 20000607.569 135 (T. Watanabe) 20000720.691 135 (T. Watanabe)