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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Tue 15 Aug 17 19:08:37 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201701561
SRC_RA:          270.1287d {+18h 00m 31s} (J2000),
                 270.4103d {+18h 01m 38s} (current),
                 269.3258d {+17h 57m 18s} (1950)
SRC_DEC:         -30.2499d {-30d 14' 59"} (J2000),
                 -30.2494d {-30d 14' 57"} (current),
                 -30.2486d {-30d 14' 54"} (1950)
DISCOVERY_DATE:  17949 TJD;   196 DOY;   17/07/15 (yy/mm/dd)
DISCOVERY_TIME:  68917 SOD {19:08:37.00} UT
LEAD_TIME:       28.408 [days]
MAX_DATE:        17978 TJD;   225 DOY;   17/08/13 (yy/mm/dd)
MAX_TIME:        17798 SOD {04:56:38.39} UT
MAX_UNCERT:      1.130 [days]
CUSP_WIDTH:      26.94 +/- 1.29 [days]
u0:              0.62 +/- 0.01 [RingUnits]
MAX_MAG:         18.9 mag (estimated)
BASE_MAG:        19.54 +/- 0.00 [mag]
AMPLIFICATION:   1.82 +/- 0.02 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1561.html
SUN_POSTN:       145.48d {+09h 41m 55s}  +13.80d {+13d 48' 11"}
SUN_DIST:        126.91 [deg]   Sun_angle= -8.3 [hr] (East of Sun)
MOON_POSTN:       61.96d {+04h 07m 49s}  +15.62d {+15d 37' 17"}
MOON_DIST:       150.12 [deg]
GAL_COORDS:        0.51, -3.46 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.11, -6.81 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.