TITLE:   GCN CIRCULAR
NUMBER:  30773
SUBJECT: GRB 210905A: DECam Detection
DATE:    21/09/05 11:56:22 GMT
FROM:    Dougal Dobie at VAST  <ddobie94@gmail.com>

J. Cooke (Swinburne), S. Webb (Swinburne), D. Dobie (Swinburne),
J. Zhang (Swinburne), S. Hegarty (Swinburne), A. Moller (Swinburne),
S. Goode (Swinburne), R. Strausbaugh (U. of the Virgin Islands),
Tim Abbott (NOIRLab), Vivek Gupta (Swinburne), Mark Suhr (Swinburne)

We observed Swift GRB 210905A (Sonbas, et al., GCN 30765) with the
Dark Energy Camera (DECam) at Cerro Tololo Inter-American Observatory.
We performed 3x60s exposures with the i filter on September 5, from
04:46:10 to 04:50:09 UT.

We make a marginal detection of a source at the position reported by
Strausbaugh et al. (GCN 30769) with i=23.6. This measurement is not
corrected for galactic extinction.