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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 21 Apr 18 21:19:01 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800671
SRC_RA:          267.5817d {+17h 50m 20s} (J2000),
                 267.8760d {+17h 51m 30s} (current),
                 266.7744d {+17h 47m 06s} (1950)
SRC_DEC:         -30.9652d {-30d 57' 54"} (J2000),
                 -30.9692d {-30d 58' 08"} (current),
                 -30.9515d {-30d 57' 04"} (1950)
DISCOVERY_DATE:  18198 TJD;    80 DOY;   18/03/21 (yy/mm/dd)
DISCOVERY_TIME:  76741 SOD {21:19:01.00} UT
LEAD_TIME:       45.010 [days]
MAX_DATE:        18243 TJD;   125 DOY;   18/05/05 (yy/mm/dd)
MAX_TIME:        77587 SOD {21:33:07.20} UT
MAX_UNCERT:      6.870 [days]
CUSP_WIDTH:      35.65 +/- 4.43 [days]
u0:              0.71 +/- 0.09 [RingUnits]
MAX_MAG:         19.3 mag (estimated)
BASE_MAG:        19.81 +/- 0.00 [mag]
AMPLIFICATION:   1.65 +/- 0.15 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0671.html
SUN_POSTN:        29.56d {+01h 58m 14s}  +12.07d {+12d 04' 12"}
SUN_DIST:        123.23 [deg]   Sun_angle= 8.1 [hr] (West of Sun)
MOON_POSTN:      109.50d {+07h 17m 59s}  +20.18d {+20d 10' 40"}
MOON_DIST:       157.77 [deg]
GAL_COORDS:      358.79, -1.92 [deg] galactic lon,lat of the burst
ECL_COORDS:      267.91, -7.54 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.