TITLE: GCN CIRCULAR NUMBER: 31133 SUBJECT: GRB 211023A: Xinglong 2.16m optical observations DATE: 21/11/29 05:06:21 GMT FROM: Liping Xin at NAOC, SVOM PGh0bWw+DQo8aGVhZD4NCiAgICA8bWV0YSBodHRwLWVxdWl2PSdDb250ZW50 LVR5cGUnIGNvbnRlbnQ9J3RleHQvaHRtbDsgY2hhcnNldD1VVEYtOCc+DQo8 L2hlYWQ+DQo8Ym9keT4NCjxzdHlsZT4NCiAgICBmb250ew0KICAgICAgICBs aW5lLWhlaWdodDogMS42Ow0KICAgIH0NCiAgICB1bCxvbHsNCiAgICAgICAg cGFkZGluZy1sZWZ0OiAyMHB4Ow0KICAgICAgICBsaXN0LXN0eWxlLXBvc2l0 aW9uOiBpbnNpZGU7DQogICAgfQ0KPC9zdHlsZT4NCjxkaXYgc3R5bGUgPSAn Zm9udC1mYW1pbHk6SGVsdmV0aWNhLEhlbHZldGljYSzlvq7ova/pm4Xpu5Es IOWui+S9kzsgbGluZS1oZWlnaHQ6MS42Oyc+DQogICAgPGRpdiA+PC9kaXY+ PGRpdj4KICAgIDxkaXY+PGJyPjwvZGl2PjxkaXY+CiAgICA8L2Rpdj48ZGl2 PjxkaXY+TC4gUC4gWGluIChOQU9DKSwgSi4gV2FuZyhHWFUpLCBDLiBHYW8o R1hVKSwgWS4gTC4gUWl1KE5BT0MpLDwvZGl2PjxkaXY+Jm5ic3A7Si4gWS4g V2VpKE5BT0MpLCAmbmJzcDtCLiBSZW4oR1hVKSwmbmJzcDsmbmJzcDtMLiBI LiBMaSAoTkFPQyksICZuYnNwO0MuIFd1KE5BT0MpLCAmbmJzcDs8L2Rpdj48 ZGl2PkUuIFcuIExpYW5nKEdYVSksJm5ic3A7Jm5ic3A7WC4gSC4gSGFuIChO QU9DKSBhbmQgSi4gUy4gRGVuZyhOQU9DKSByZXBvcnQ6PC9kaXY+PGRpdj48 YnI+PC9kaXY+PGRpdj48c3BhbiBzdHlsZT0iZm9udC1mYW1pbHk6IEhlbHZl dGljYSwg5b6u6L2v6ZuF6buRLCDlrovkvZM7Ij5XZSBvYnNlcnZlZCB0aGUg ZmllbGQgb2YgdGhlIEdSQiAyMTEwMjNBIChGZXJtaSBHQk0gdGVhbSwgR0NO IDMwOTU4OyBEaTwvc3Bhbj48YnIgc3R5bGU9ImZvbnQtZmFtaWx5OiBIZWx2 ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2TOyI+PHNwYW4gc3R5bGU9ImZv bnQtZmFtaWx5OiBIZWx2ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2TOyI+ TGFsbGEgZXQgYWwuLCBHQ04gMzA5NjE7IExlc2FnZSBldCBhbCwgR0NOIDMw OTY1OyBVcnNpIGV0IGFsLCBHQ04gMzA5Njk7PC9zcGFuPjxiciBzdHlsZT0i Zm9udC1mYW1pbHk6IEhlbHZldGljYSwg5b6u6L2v6ZuF6buRLCDlrovkvZM7 Ij48Zm9udCBmYWNlPSJIZWx2ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2T Ij5Qb29sYWtraWwsIEdDTiAzMDk5ODsgUmlkbmFpYSBldCBhbC4sIEdDTiAz MTAyMiApJm5ic3A7PC9mb250PjwvZGl2PjxkaXY+PGZvbnQgZmFjZT0iSGVs dmV0aWNhLCDlvq7ova/pm4Xpu5EsIOWui+S9kyI+d2l0aCAyLjE2bSBvcHRp Y2FsIHRlbGVzY29wZSBhdCBYaW5nbG9uZyZuYnNwO29ic2VydmF0b3J5LCBD aGluYS4mbmJzcDs8L2ZvbnQ+PC9kaXY+PGRpdj5UZW4gaW1hZ2VzIGluIFIg YmFuZCB3ZXJlIG9idGFpbmVkIGZyb20gMjAyMS0xMS0xMlQxNjo0NjoxMCBV VCB0byZuYnNwOzwvZGl2PjxkaXY+MjAyMS0xMS0xMlQxNzozMjoxOCBVVCwg YWJvdXQgMjAuMTYgZGF5cyBhZnRlciB0aGUgYnVyc3QuJm5ic3A7PC9kaXY+ PGRpdj5UaGUgZXhwb3N1cmUgdGltZSBmb3IgZWFjaCBpbWFnZSB3YXMgMzAw IHNlYy4mbmJzcDs8YnI+PHNwYW4gc3R5bGU9ImZvbnQtZmFtaWx5OiBIZWx2 ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2TOyI+VGhlIG9wdGljYWwgY291 bnRlcnBhcnQmbmJzcDs8L3NwYW4+PHNwYW4gc3R5bGU9ImZvbnQtZmFtaWx5 OiBIZWx2ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2TOyI+KExpcHVub3Yg ZXQgYWwuLCBHQ04gMzA5NzA7IFpoaXJrb3YgZXQgYWwsIEdDTiAzMDk3Nzsm bmJzcDs8L3NwYW4+PC9kaXY+PGRpdj48c3BhbiBzdHlsZT0iZm9udC1mYW1p bHk6IEhlbHZldGljYSwg5b6u6L2v6ZuF6buRLCDlrovkvZM7Ij5LYW5uIGV0 IGFsLCBHQ04mbmJzcDs8L3NwYW4+PHNwYW4gc3R5bGU9ImZvbnQtZmFtaWx5 OiBIZWx2ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2TOyI+MzA5ODI7IEh1 IGV0IGFsLCBHQ04gMzA5OTA7IEJlbGtpbiBldCBhbCwgR0NOIDMxMDA0OyBW aW5rbyBldCBhbCwgR0NOPC9zcGFuPjxiciBzdHlsZT0iZm9udC1mYW1pbHk6 IEhlbHZldGljYSwg5b6u6L2v6ZuF6buRLCDlrovkvZM7Ij48c3BhbiBzdHls ZT0iZm9udC1mYW1pbHk6IEhlbHZldGljYSwg5b6u6L2v6ZuF6buRLCDlrovk vZM7Ij4zMTAwODsgQmVsa2luIGV0IGFsLCBHQ04gMzEwMTg7IEJlbGtpbiBl dCBhbCwgR0NOIDMxMDIwOyBLdW1hciBldCBhbCw8L3NwYW4+PGJyIHN0eWxl PSJmb250LWZhbWlseTogSGVsdmV0aWNhLCDlvq7ova/pm4Xpu5EsIOWui+S9 kzsiPjxzcGFuIHN0eWxlPSJmb250LWZhbWlseTogSGVsdmV0aWNhLCDlvq7o va/pm4Xpu5EsIOWui+S9kzsiPkdDTiAzMTAyMzsgR3VwdGEgZXQgYWwuLCBH Q04gMzEwNDE7IFN0cm9ibCBldCBhbC4sIEdDTiAzMTA0MjsgUG96YW5lbmtv PC9zcGFuPjxiciBzdHlsZT0iZm9udC1mYW1pbHk6IEhlbHZldGljYSwg5b6u 6L2v6ZuF6buRLCDlrovkvZM7Ij48c3BhbiBzdHlsZT0iZm9udC1mYW1pbHk6 IEhlbHZldGljYSwg5b6u6L2v6ZuF6buRLCDlrovkvZM7Ij5ldCBhbC4sIEdD TiAzMTA1MzsgTW9za3ZpdGluIGV0IGFsLiwgR0NOIDMxMDY2LCZuYnNwOzwv c3Bhbj48c3BhbiBzdHlsZT0iZm9udC1mYW1pbHk6IEhlbHZldGljYSwg5b6u 6L2v6ZuF6buRLCDlrovkvZM7Ij4sIEJlbGtpbiBldCBhbC4sIEdDTiAzMTA5 ODwvc3Bhbj48c3BhbiBzdHlsZT0iZm9udC1mYW1pbHk6IEhlbHZldGljYSwg 5b6u6L2v6ZuF6buRLCDlrovkvZM7Ij4mbmJzcDspJm5ic3A7PC9zcGFuPjwv ZGl2PjxkaXY+PHNwYW4gc3R5bGU9ImZvbnQtZmFtaWx5OiBIZWx2ZXRpY2Es IOW+rui9r+mbhem7kSwg5a6L5L2TOyI+d2FzIGNsZWFybHkgZGV0ZWN0ZWQg aW4gb3VyJm5ic3A7PC9zcGFuPjxzcGFuIHN0eWxlPSJmb250LWZhbWlseTog SGVsdmV0aWNhLCDlvq7ova/pm4Xpu5EsIOWui+S9kzsiPnRoZSBzdGFja2Vk IGltYWdlIHdpdGggYSBicmlnaHRuZXNzIG9mIDIyLjAgbWFnbml0dWRlJm5i c3A7PC9zcGFuPjwvZGl2PjxkaXY+PHNwYW4gc3R5bGU9ImZvbnQtZmFtaWx5 OiBIZWx2ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2TOyI+aW4gUi1iYW5k LiBUaGUgcGhvdG9tZXRyeSB3YXMmbmJzcDs8L3NwYW4+PHNwYW4gc3R5bGU9 ImZvbnQtZmFtaWx5OiBIZWx2ZXRpY2EsIOW+rui9r+mbhem7kSwg5a6L5L2T OyI+Y2FsaWJyYXRlZCB3aXRoIHNldmVyYWwgbmVhcmJ5IFVTTk8gQjEuMCBj YXRhbG9ncy4mbmJzcDs8L3NwYW4+PC9kaXY+PC9kaXY+CiAgICA8ZGl2IGlk PSJudGVzLXBjbWFjLXNpZ25hdHVyZSIgc3R5bGU9ImZvbnQtZmFtaWx5OidI ZWx2ZXRpY2EnLCdNaWNyb3NvZnQgWWFoZWknLCAn5b6u6L2v6ZuF6buRJyI+ CiAgICAKICAgIDxkaXYgc3R5bGU9ImZvbnQtc2l6ZToxNHB4OyBwYWRkaW5n OiAwOyAgbWFyZ2luOjA7Ij4KCiAgICA8L2Rpdj4KPC9kaXY+CiAgICA8YnI+ CjwvZGl2PjwhLS3vv70tLT4NCjwvZGl2Pg0KPC9ib2R5Pg0KPC9odG1sPg==