[AAVSO-HEN] GCN Report 257.1: Swift Observations on GRB 091020

[grb at aavso.org]

The following is a GCN Circular circulated via the AAVSO network.
For an archive and more information on circulars visit:
http://lheawww.gsfc.nasa.gov/docs/gamcosray/legr/bacodine/gcn3_archive.html

GCN_Report 257.1 has been posted:
   http://gcn.gsfc.nasa.gov/reports/report_257_1.pdf
by J.L. Racusin
at NASA-GSFC
titled: "Swift Observations on GRB 091020"