CH Cyg brightening The symbiotic variable CH Cyg is reported to have brightened significantly. YYMMDD(UT) mag observer 990121.769 79 (G. Poyner) 990122.247 80 (E. Muyllaert) 990123.385 72 (N. Makiguchi) 990123.778 80 (T. Lange) 990124.369 78 (M. Sato) 990125.040 76 (B. H. Granslo) 990126.144 80 (R. J. Bouma) 990129.253 79 (E. Muyllaert) 990129.269 78 (B. H. Granslo) 990130.828 77 (T. Watanabe) 990201.769 79 (B. H. Granslo) 990204.890 79 (B. H. Granslo) 990206.238 80 (E. Muyllaert) 990207.798 80 (T. Watanabe) 990211.235 79 (E. Muyllaert) 990212.794 79 (T. Lange) 990213.769 80 (R. J. Johanns) 990214.774 79 (T. Lange) 990222.840 74 (T. Watanabe) 990223.124 73 (G. Poyner) 990223.790 73 (M. Sato)