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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Thu 23 Apr 15 14:25:24 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500778
SRC_RA:          272.1593d {+18h 08m 38s} (J2000),
                 272.3991d {+18h 09m 36s} (current),
                 271.3717d {+18h 05m 29s} (1950)
SRC_DEC:         -27.8565d {-27d 51' 22"} (J2000),
                 -27.8531d {-27d 51' 10"} (current),
                 -27.8651d {-27d 51' 53"} (1950)
DISCOVERY_DATE:  17104 TJD;    82 DOY;   15/03/23 (yy/mm/dd)
DISCOVERY_TIME:  51924 SOD {14:25:24.00} UT
LEAD_TIME:       39.828 [days]
MAX_DATE:        17144 TJD;   122 DOY;   15/05/02 (yy/mm/dd)
MAX_TIME:        37065 SOD {10:17:45.60} UT
MAX_UNCERT:      5.420 [days]
CUSP_WIDTH:      12.19 +/- 2.24 [days]
u0:              0.61 +/- 0.41 [RingUnits]
MAX_MAG:         17.6 mag (estimated)
BASE_MAG:        18.32 +/- 0.00 [mag]
AMPLIFICATION:   1.85 +/- 0.97 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0778.html
SUN_POSTN:        30.91d {+02h 03m 37s}  +12.55d {+12d 33' 09"}
SUN_DIST:        120.89 [deg]   Sun_angle= 7.9 [hr] (West of Sun)
MOON_POSTN:       95.85d {+06h 23m 25s}  +18.08d {+18d 04' 56"}
MOON_DIST:       169.73 [deg]
GAL_COORDS:        3.47, -3.84 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.91, -4.43 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.