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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Fri 23 Mar 18 22:28:49 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201800420
SRC_RA:          268.0939d {+17h 52m 23s} (J2000),
                 268.3903d {+17h 53m 34s} (current),
                 267.2776d {+17h 49m 07s} (1950)
SRC_DEC:         -32.2970d {-32d 17' 48"} (J2000),
                 -32.3001d {-32d 18' 00"} (current),
                 -32.2858d {-32d 17' 08"} (1950)
DISCOVERY_DATE:  18172 TJD;    54 DOY;   18/02/23 (yy/mm/dd)
DISCOVERY_TIME:  80929 SOD {22:28:49.00} UT
LEAD_TIME:       20.334 [days]
MAX_DATE:        18193 TJD;    75 DOY;   18/03/16 (yy/mm/dd)
MAX_TIME:        23414 SOD {06:30:14.40} UT
MAX_UNCERT:      0.900 [days]
CUSP_WIDTH:      23.90 +/- 2.00 [days]
u0:              0.43 +/- 0.01 [RingUnits]
MAX_MAG:         19.7 mag (estimated)
BASE_MAG:        20.63 +/- 0.01 [mag]
AMPLIFICATION:   2.44 +/- 0.06 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0420.html
SUN_POSTN:         2.98d {+00h 11m 54s}   +1.29d {+01d 17' 19"}
SUN_DIST:         94.56 [deg]   Sun_angle= 6.3 [hr] (West of Sun)
MOON_POSTN:       83.52d {+05h 34m 04s}  +19.37d {+19d 21' 57"}
MOON_DIST:       166.35 [deg]
GAL_COORDS:      357.86, -2.98 [deg] galactic lon,lat of the burst
ECL_COORDS:      268.37, -8.87 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.