[vsnet-grb 357588] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Feb 18 20:33:54 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     811686,   Seg_Num: 0
POINT_RA:        185.573d {+12h 22m 18s} (J2000)
POINT_DEC:       +29.271d {+29d 16' 15"} (J2000)
IMG_START_DATE:  18174 TJD;    56 DOY;   18/02/25
IMG_START_TIME:  74022.77 SOD {20:33:42.77} UT,   171.3 [sec] since BAT Trigger Time
COUNTS:          1    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        0    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.