[vsnet-grb 200996] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Apr 13 12:58:01 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     553996,   Seg_Num: 0
POINT_RA:        183.115d {+12h 12m 28s} (J2000)
POINT_DEC:       +54.389d {+54d 23' 20"} (J2000)
IMG_START_DATE:  16402 TJD;   110 DOY;   13/04/20
IMG_START_TIME:  46645.62 SOD {12:57:25.62} UT,   54.6 [sec] since BAT Trigger Time
COUNTS:          18    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.