[vsnet-alert 8498] V4641 Sgr: very active on late June 28

[Taichi Kato]

V4641 Sgr: very active on late June 28

    Most recent observations by Peter Nelson and Chris Stockdale indicate
that V4641 Sgr became violently variable later on June 28.  Large variations
with full amplitudes of 0.8-0.9 mag were recurring.  More detailed analysis
in combination with other data will be presented by Uemura-san.