[vsnet-grb 359116] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 11 Mar 18 18:08:30 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     813721,   Seg_Num: 0
POINT_RA:          3.431d {+00h 13m 44s} (J2000)
POINT_DEC:       -54.456d {-54d 27' 22"} (J2000)
IMG_START_DATE:  18188 TJD;    70 DOY;   18/03/11
IMG_START_TIME:  65304.51 SOD {18:08:24.51} UT,   275.3 [sec] since BAT Trigger Time
COUNTS:          10    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        3    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.