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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 20 May 13 20:59:00 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201300769
SRC_RA:          271.2724d {+18h 05m 05s} (J2000),
                 271.4819d {+18h 05m 56s} (current),
                 270.4850d {+18h 01m 56s} (1950)
SRC_DEC:         -27.8226d {-27d 49' 20"} (J2000),
                 -27.8208d {-27d 49' 14"} (current),
                 -27.8269d {-27d 49' 36"} (1950)
DISCOVERY_DATE:  16402 TJD;   110 DOY;   13/04/20 (yy/mm/dd)
DISCOVERY_TIME:  75540 SOD {20:59:00.00} UT
LEAD_TIME:       27.487 [days]
MAX_DATE:        16430 TJD;   138 DOY;   13/05/18 (yy/mm/dd)
MAX_TIME:        31190 SOD {08:39:50.40} UT
MAX_UNCERT:      0.050 [days]
CUSP_WIDTH:      8.80 +/- 0.19 [days]
u0:              0.19 +/- 0.00 [RingUnits]
MAX_MAG:         18.4 mag (estimated)
BASE_MAG:        20.15 +/- 0.01 [mag]
AMPLIFICATION:   5.17 +/- 0.10 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0769.html
SUN_POSTN:        57.81d {+03h 51m 15s}  +20.15d {+20d 08' 51"}
SUN_DIST:        148.41 [deg]   Sun_angle= 9.8 [hr] (West of Sun)
MOON_POSTN:      180.49d {+12h 01m 57s}   -4.20d {-04d 11' 41"}
MOON_DIST:        88.92 [deg]
GAL_COORDS:        3.12, -3.14 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.13, -4.39 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.