[vsnet-alert 22432] ASASSN-18su:historical outbursts in 1890, 1923, 1939 and 1946

[Kojiguchi Naoto]

Dear all,

    When I checked DASCH, I may have found old outbursts of ASASSN-18su, 
date 1890.394831, 1923.350951 (1923.351074), 1939.194771 (1939.205314, 
1939.205763, 1939.226979, 1939.229963, 1939.232476, 1939.289929) and 
1946.079590.
() is points of same outbursts.

Possible outbursts in 1890 and 1939 are able to check DASCH images.
Possible outbursts in other dates are not able to access DASCH images.

Best regards,
Naoto Kojiguchi