[vsnet-grb 361650] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 31 Mar 18 15:49:48 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     820513,   Seg_Num: 0
POINT_RA:        196.807d {+13h 07m 14s} (J2000)
POINT_DEC:       +61.704d {+61d 42' 13"} (J2000)
IMG_START_DATE:  18208 TJD;    90 DOY;   18/03/31
IMG_START_TIME:  56983.01 SOD {15:49:43.01} UT,   663.7 [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.