TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5592
SUBJECT: GRB 060923C: optical observation
DATE:    06/09/23 14:38:23 GMT
FROM:    Ken ichi Torii at Osaka U  <torii@ess.sci.osaka-u.ac.jp>

K. Torii (Osaka U.) reports on behalf of the ART collaboration:

 The error region of GRB 060923C (Stamatikos et al. GCN 5591) was
observed with the ART-3 telescopes in Toyonaka, Osaka.

 Preliminary analysis does not reveal an optical afterglow candidate
brighter than R~15 at 6 minutes after the trigger.

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