[vsnet-grb 357100] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Feb 18 07:20:01 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     811074,   Seg_Num: 0
POINT_RA:        326.969d {+21h 47m 53s} (J2000)
POINT_DEC:       -72.882d {-72d 52' 54"} (J2000)
IMG_START_DATE:  18170 TJD;    52 DOY;   18/02/21
IMG_START_TIME:  26391.60 SOD {07:19:51.60} UT,   2946.8 [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.