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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 18 Aug 15 19:51:16 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201501820
SRC_RA:          263.8386d {+17h 35m 21s} (J2000),
                 264.0855d {+17h 36m 21s} (current),
                 263.0449d {+17h 32m 11s} (1950)
SRC_DEC:         -28.9948d {-28d 59' 40"} (J2000),
                 -29.0039d {-29d 00' 13"} (current),
                 -28.9630d {-28d 57' 46"} (1950)
DISCOVERY_DATE:  17221 TJD;   199 DOY;   15/07/18 (yy/mm/dd)
DISCOVERY_TIME:  71476 SOD {19:51:16.00} UT
LEAD_TIME:       27.615 [days]
MAX_DATE:        17249 TJD;   227 DOY;   15/08/15 (yy/mm/dd)
MAX_TIME:        38188 SOD {10:36:28.79} UT
MAX_UNCERT:      3.710 [days]
CUSP_WIDTH:      29.70 +/- 1.66 [days]
u0:              1.92 +/- 0.03 [RingUnits]
MAX_MAG:         16.3 mag (estimated)
BASE_MAG:        16.33 +/- 0.00 [mag]
AMPLIFICATION:   1.06 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1820.html
SUN_POSTN:       147.82d {+09h 51m 17s}  +13.00d {+13d 00' 02"}
SUN_DIST:        119.09 [deg]   Sun_angle= -7.8 [hr] (East of Sun)
MOON_POSTN:      191.02d {+12h 44m 06s}   -3.66d {-03d 39' 45"}
MOON_DIST:        73.42 [deg]
GAL_COORDS:      358.76,  1.87 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.59, -5.67 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.