Next IOTA Meeting: 2011 July Rocklin, California David Dunham, IOTA David Kenyon, Sierra College

Occultation of ZC 3339 by the binary asteroid (90) Antiope, 2011 July 19 morning

2011 July 19 th Antiope occultation path across the western USA Need to cover between the 2 gray lines 200 km apart to observe both 85-km components, + errors

2011 July 19 th Antiope occultation path across ne CA & nw NV Hwy 299 Surprise Valley Rd Gerlach Empire Hwy 447 Canby Hwy 139 Old Station Hwy 44 Hwy 89 Hwy 99 Hwy 99 Observing sites can be near Hwy 99 from Sacramento to Red Bluff, & n. and s. of those cities. Very rarely, fog from S.F. Bay reaches Sacto; if so, use sites near US 395, Reno to Susanville, & Hwy 44 & 89 to n. of Burney. Sierra College IOTA meeting site

Sierra College, Rocklin, CA IOTA meeting Good motel DDs 50 th H.S. reunion was here Aug. 28, 2010 N. Sunrise Av

Sierra College, Rocklin, CA The black arrow marks the building where we met in July The Antiope occultation will occur almost exactly 8 years after our highly successful observations of the occultation of another 6 th -mag.star by (1263) Varsavia on 2003 July 18 in California before the 2003 meeting. Building located at 38 deg N, 121 deg W