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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 25 Apr 15 16:48:53 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500820
SRC_RA:          274.1803d {+18h 16m 43s} (J2000),
                 274.4162d {+18h 17m 40s} (current),
                 273.4056d {+18h 13m 37s} (1950)
SRC_DEC:         -25.7754d {-25d 46' 30"} (J2000),
                 -25.7690d {-25d 46' 08"} (current),
                 -25.7938d {-25d 47' 37"} (1950)
DISCOVERY_DATE:  17106 TJD;    84 DOY;   15/03/25 (yy/mm/dd)
DISCOVERY_TIME:  60532 SOD {16:48:52.00} UT
LEAD_TIME:       41.198 [days]
MAX_DATE:        17147 TJD;   125 DOY;   15/05/05 (yy/mm/dd)
MAX_TIME:        77673 SOD {21:34:33.60} UT
MAX_UNCERT:      2.910 [days]
CUSP_WIDTH:      22.60 +/- 2.16 [days]
u0:              0.36 +/- 0.11 [RingUnits]
MAX_MAG:         17.1 mag (estimated)
BASE_MAG:        18.26 +/- 0.00 [mag]
AMPLIFICATION:   2.86 +/- 0.81 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0820.html
SUN_POSTN:        32.88d {+02h 11m 31s}  +13.24d {+13d 14' 36"}
SUN_DIST:        121.16 [deg]   Sun_angle= 7.9 [hr] (West of Sun)
MOON_POSTN:      123.07d {+08h 12m 18s}  +14.95d {+14d 56' 43"}
MOON_DIST:       151.12 [deg]
GAL_COORDS:        6.17, -4.44 [deg] galactic lon,lat of the burst
ECL_COORDS:      273.77, -2.39 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.