padua asteroid occultation sept. 16, 2012 paul d. maley

PADUA ASTEROID OCCULTATIONSEPT. 16, 2012

PAUL D. MALEY

BACKGROUND-1

• 363 PADUA OCCULTATION ON SEP 16 IS THE BEST EVENT OF 2012

• VISIBLE IN DAYLIGHT (?) star=mag 2.7• LIMITED NIGHT POSSIBILITIES• NO MOON INTERFERENCE• EXPEDITION PLANNED FOR SITES IN MALI (see

http://www.eclipsetours.com)

BACKGROUND-2

• ZUBEN-EL-GENUBI IS THE BRIGHTEST STAR (Mv 2.7) TO BE OCCULTED IN 2012

• MOST OF THE PATH IS IN DAYLIGHT• TRACK GOES ACROSS TAMPA, JACKSON MS,

OKLAHOMA CITY, SALT LAKE CITY, SEATTLE• BEST NIGHT VIEWING IS FROM WEST AFRICA

DETAILS

• DURATION 2.1 SECONDS• MAGNITUDE DROP 12.1• SIGMA 0.27• CONCERN: POSSIBLE

DOUBLE/SPECTROSCOPIC BINARY• NO MOON• ELEVATION 22, AZIMUTH 246• LESS THAN 2 HOURS AFTER SUNSET

LOCAL CIRCUMSTANCES

WASHINGTON (STEVE P): EL. 14, AZ.134DENVER CO: EL. 27 AZ. 147CENTRAL OK (CHAD E,ART L): EL. 34 AZ. 154JACKSON MS(BENNY R): EL. 40 AZ. 161TAMPA FL (TOM C.): EL. 45 AZ. 170W.PALM BEACH FL (TERRY R.): EL. 47 AZ.173ELONGATION FROM SUN: 51 DEG.

DAYLIGHT FILTER

DJENNE

TIMBUKTU