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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 28 Apr 15 15:51:56 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201500850
SRC_RA:          265.7336d {+17h 42m 56s} (J2000),
                 265.9626d {+17h 43m 51s} (current),
                 264.9824d {+17h 39m 56s} (1950)
SRC_DEC:         -21.7568d {-21d 45' 23"} (J2000),
                 -21.7629d {-21d 45' 46"} (current),
                 -21.7343d {-21d 44' 02"} (1950)
DISCOVERY_DATE:  17109 TJD;    87 DOY;   15/03/28 (yy/mm/dd)
DISCOVERY_TIME:  57116 SOD {15:51:56.00} UT
LEAD_TIME:       50.353 [days]
MAX_DATE:        17160 TJD;   138 DOY;   15/05/18 (yy/mm/dd)
MAX_TIME:        1209 SOD {00:20:09.59} UT
MAX_UNCERT:      9.550 [days]
CUSP_WIDTH:      22.73 +/- 3.98 [days]
u0:              0.38 +/- 0.69 [RingUnits]
MAX_MAG:         17.3 mag (estimated)
BASE_MAG:        18.41 +/- 0.00 [mag]
AMPLIFICATION:   2.75 +/- 4.51 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0850.html
SUN_POSTN:        35.68d {+02h 22m 43s}  +14.19d {+14d 11' 24"}
SUN_DIST:        131.78 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      157.89d {+10h 31m 34s}   +6.17d {+06d 10' 00"}
MOON_DIST:       109.04 [deg]
GAL_COORDS:        5.81,  4.27 [deg] galactic lon,lat of the burst
ECL_COORDS:      266.04,  1.62 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.