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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 19 May 18 19:15:17 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800850
SRC_RA:          268.3409d {+17h 53m 22s} (J2000),
                 268.6364d {+17h 54m 33s} (current),
                 267.5337d {+17h 50m 08s} (1950)
SRC_DEC:         -30.9376d {-30d 56' 14"} (J2000),
                 -30.9403d {-30d 56' 24"} (current),
                 -30.9276d {-30d 55' 38"} (1950)
DISCOVERY_DATE:  18227 TJD;   109 DOY;   18/04/19 (yy/mm/dd)
DISCOVERY_TIME:  69317 SOD {19:15:17.00} UT
LEAD_TIME:       29.917 [days]
MAX_DATE:        18257 TJD;   139 DOY;   18/05/19 (yy/mm/dd)
MAX_TIME:        62121 SOD {17:15:21.60} UT
MAX_UNCERT:      0.000 [days]
CUSP_WIDTH:      0.22 +/- 0.01 [days]
u0:              0.51 +/- 0.01 [RingUnits]
MAX_MAG:         17.9 mag (estimated)
BASE_MAG:        18.70 +/- 0.00 [mag]
AMPLIFICATION:   2.13 +/- 0.03 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0850.html
SUN_POSTN:        56.53d {+03h 46m 08s}  +19.88d {+19d 52' 52"}
SUN_DIST:        149.10 [deg]   Sun_angle= 9.9 [hr] (West of Sun)
MOON_POSTN:      119.47d {+07h 57m 54s}  +19.58d {+19d 34' 51"}
MOON_DIST:       150.02 [deg]
GAL_COORDS:      359.14, -2.47 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.56, -7.51 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.