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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 17 May 18 12:25:37 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800821
SRC_RA:          272.3272d {+18h 09m 19s} (J2000),
                 272.6162d {+18h 10m 28s} (current),
                 271.5372d {+18h 06m 09s} (1950)
SRC_DEC:         -28.2340d {-28d 14' 01"} (J2000),
                 -28.2296d {-28d 13' 46"} (current),
                 -28.2434d {-28d 14' 35"} (1950)
DISCOVERY_DATE:  18225 TJD;   107 DOY;   18/04/17 (yy/mm/dd)
DISCOVERY_TIME:  44737 SOD {12:25:37.00} UT
LEAD_TIME:       36.655 [days]
MAX_DATE:        18262 TJD;   144 DOY;   18/05/24 (yy/mm/dd)
MAX_TIME:        14947 SOD {04:09:07.19} UT
MAX_UNCERT:      5.100 [days]
CUSP_WIDTH:      11.82 +/- 2.02 [days]
u0:              1.43 +/- 0.18 [RingUnits]
MAX_MAG:         17.7 mag (estimated)
BASE_MAG:        17.85 +/- 0.00 [mag]
AMPLIFICATION:   1.14 +/- 0.04 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0821.html
SUN_POSTN:        54.26d {+03h 37m 02s}  +19.38d {+19d 23' 03"}
SUN_DIST:        143.97 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:       83.92d {+05h 35m 41s}  +19.73d {+19d 43' 42"}
MOON_DIST:       168.37 [deg]
GAL_COORDS:        3.21, -4.15 [deg] galactic lon,lat of the burst
ECL_COORDS:      272.06, -4.81 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.