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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 20 Apr 18 18:45:11 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800660
SRC_RA:          261.7071d {+17h 26m 50s} (J2000),
                 261.9984d {+17h 28m 00s} (current),
                 260.9080d {+17h 23m 38s} (1950)
SRC_DEC:         -29.9759d {-29d 58' 32"} (J2000),
                 -29.9903d {-29d 59' 24"} (current),
                 -29.9338d {-29d 56' 01"} (1950)
DISCOVERY_DATE:  18197 TJD;    79 DOY;   18/03/20 (yy/mm/dd)
DISCOVERY_TIME:  67511 SOD {18:45:11.00} UT
LEAD_TIME:       43.143 [days]
MAX_DATE:        18240 TJD;   122 DOY;   18/05/02 (yy/mm/dd)
MAX_TIME:        79833 SOD {22:10:33.60} UT
MAX_UNCERT:      3.220 [days]
CUSP_WIDTH:      8.60 +/- 0.94 [days]
u0:              0.53 +/- 0.64 [RingUnits]
MAX_MAG:         15.7 mag (estimated)
BASE_MAG:        16.50 +/- 0.00 [mag]
AMPLIFICATION:   2.06 +/- 2.05 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0660.html
SUN_POSTN:        28.52d {+01h 54m 05s}  +11.69d {+11d 41' 40"}
SUN_DIST:        127.31 [deg]   Sun_angle= 8.4 [hr] (West of Sun)
MOON_POSTN:       92.68d {+06h 10m 44s}  +20.18d {+20d 11' 05"}
MOON_DIST:       166.24 [deg]
GAL_COORDS:      356.92,  2.89 [deg] galactic lon,lat of the burst
ECL_COORDS:      262.77, -6.74 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.