[vsnet-grb 156005] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 18 Aug 11 20:44:17 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     500914,   Seg_Num: 0
POINT_RA:        317.380d {+21h 09m 31s} (J2000)
POINT_DEC:       -63.982d {-63d 58' 53"} (J2000)
IMG_START_DATE:  15791 TJD;   230 DOY;   11/08/18
IMG_START_TIME:  74649.65 SOD {20:44:09.65} UT,   380.4 [sec] since BAT Trigger Time
COUNTS:          12    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        2    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.