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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Sat 29 Sep 18 00:57:24 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201801721
SRC_RA:          268.1061d {+17h 52m 25s} (J2000),
                 268.4048d {+17h 53m 37s} (current),
                 267.3059d {+17h 49m 13s} (1950)
SRC_DEC:         -29.8603d {-29d 51' 36"} (J2000),
                 -29.8635d {-29d 51' 47"} (current),
                 -29.8492d {-29d 50' 56"} (1950)
DISCOVERY_DATE:  18359 TJD;   241 DOY;   18/08/29 (yy/mm/dd)
DISCOVERY_TIME:  3444 SOD {00:57:24.00} UT
LEAD_TIME:       27.397 [days]
MAX_DATE:        18386 TJD;   268 DOY;   18/09/25 (yy/mm/dd)
MAX_TIME:        37756 SOD {10:29:16.79} UT
MAX_UNCERT:      0.300 [days]
CUSP_WIDTH:      9.62 +/- 0.46 [days]
u0:              0.34 +/- 0.01 [RingUnits]
MAX_MAG:         17.9 mag (estimated)
BASE_MAG:        19.14 +/- 0.00 [mag]
AMPLIFICATION:   3.06 +/- 0.11 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-1721.html
SUN_POSTN:       185.37d {+12h 21m 28s}   -2.32d {-02d 19' 17"}
SUN_DIST:         82.81 [deg]   Sun_angle= -5.5 [hr] (East of Sun)
MOON_POSTN:       51.92d {+03h 27m 40s}  +13.88d {+13d 52' 38"}
MOON_DIST:       142.78 [deg]
GAL_COORDS:      359.97, -1.75 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.35, -6.43 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.