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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sun 20 May 12 00:45:20 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201200689
SRC_RA:          268.1446d {+17h 52m 35s} (J2000),
                 268.3400d {+17h 53m 22s} (current),
                 267.3505d {+17h 49m 24s} (1950)
SRC_DEC:         -28.9038d {-28d 54' 13"} (J2000),
                 -28.9059d {-28d 54' 20"} (current),
                 -28.8929d {-28d 53' 33"} (1950)
DISCOVERY_DATE:  16037 TJD;   111 DOY;   12/04/20 (yy/mm/dd)
DISCOVERY_TIME:  2720 SOD {00:45:20.00} UT
LEAD_TIME:       30.213 [days]
MAX_DATE:        16067 TJD;   141 DOY;   12/05/20 (yy/mm/dd)
MAX_TIME:        21081 SOD {05:51:21.59} UT
MAX_UNCERT:      0.680 [days]
CUSP_WIDTH:      1.41 +/- 0.22 [days]
u0:              1.58 +/- 0.23 [RingUnits]
MAX_MAG:         17.0 mag (estimated)
BASE_MAG:        17.15 +/- 0.00 [mag]
AMPLIFICATION:   1.11 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0689.html
SUN_POSTN:        57.21d {+03h 48m 51s}  +20.02d {+20d 01' 26"}
SUN_DIST:        150.41 [deg]   Sun_angle= 9.9 [hr] (West of Sun)
MOON_POSTN:       46.08d {+03h 04m 19s}  +18.89d {+18d 53' 11"}
MOON_DIST:       140.31 [deg]
GAL_COORDS:        0.81, -1.29 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.37, -5.48 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.