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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 18 Apr 15 14:19:42 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500721
SRC_RA:          269.4660d {+17h 57m 52s} (J2000),
                 269.7061d {+17h 58m 49s} (current),
                 268.6769d {+17h 54m 42s} (1950)
SRC_DEC:         -28.1011d {-28d 06' 03"} (J2000),
                 -28.1017d {-28d 06' 05"} (current),
                 -28.0966d {-28d 05' 47"} (1950)
DISCOVERY_DATE:  17099 TJD;    77 DOY;   15/03/18 (yy/mm/dd)
DISCOVERY_TIME:  51582 SOD {14:19:42.00} UT
LEAD_TIME:       31.036 [days]
MAX_DATE:        17130 TJD;   108 DOY;   15/04/18 (yy/mm/dd)
MAX_TIME:        54691 SOD {15:11:31.19} UT
MAX_UNCERT:      0.000 [days]
CUSP_WIDTH:      12.76 +/- 0.21 [days]
u0:              0.00 +/- 0.00 [RingUnits]
MAX_MAG:         14.0 mag (estimated)
BASE_MAG:        20.01 +/- 0.00 [mag]
AMPLIFICATION:   249.90 +/- 24.46 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0721.html
SUN_POSTN:        26.23d {+01h 44m 56s}  +10.85d {+10d 50' 48"}
SUN_DIST:        118.39 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:       24.43d {+01h 37m 42s}   +8.57d {+08d 34' 06"}
MOON_DIST:       115.78 [deg]
GAL_COORDS:        2.09, -1.89 [deg] galactic lon,lat of the burst
ECL_COORDS:      269.53, -4.66 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.