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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 28 Apr 15 15:51:58 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500851
SRC_RA:          264.6325d {+17h 38m 32s} (J2000),
                 264.8616d {+17h 39m 27s} (current),
                 263.8809d {+17h 35m 31s} (1950)
SRC_DEC:         -21.8680d {-21d 52' 04"} (J2000),
                 -21.8758d {-21d 52' 32"} (current),
                 -21.8401d {-21d 50' 24"} (1950)
DISCOVERY_DATE:  17109 TJD;    87 DOY;   15/03/28 (yy/mm/dd)
DISCOVERY_TIME:  57118 SOD {15:51:58.00} UT
LEAD_TIME:       32.817 [days]
MAX_DATE:        17142 TJD;   120 DOY;   15/04/30 (yy/mm/dd)
MAX_TIME:        41299 SOD {11:28:19.20} UT
MAX_UNCERT:      1.030 [days]
CUSP_WIDTH:      23.15 +/- 2.09 [days]
u0:              0.14 +/- 0.03 [RingUnits]
MAX_MAG:         18.1 mag (estimated)
BASE_MAG:        20.23 +/- 0.00 [mag]
AMPLIFICATION:   6.97 +/- 1.49 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0851.html
SUN_POSTN:        35.68d {+02h 22m 43s}  +14.19d {+14d 11' 24"}
SUN_DIST:        132.80 [deg]   Sun_angle= 8.7 [hr] (West of Sun)
MOON_POSTN:      157.89d {+10h 31m 35s}   +6.17d {+06d 09' 60"}
MOON_DIST:       108.02 [deg]
GAL_COORDS:        5.18,  5.08 [deg] galactic lon,lat of the burst
ECL_COORDS:      265.02,  1.48 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.