IOTA/IOTA-ES occultation update for (508) Princetonia / 2UCAC 41841479 event on 2007 Nov 01, 14:00 UT Visible from Philippines, SE Asia Summary ------- On 2007 Nov 01 UT, the 142 km diameter asteroid (508) Princetonia will occult a 11.8 mag star in the constellation Taurus for observers along a path across Philippines, SE Asia. In the case of an occultation, the combined light of the asteroid and the star will drop by 1.7 mag to 13.3 mag (the magnitude of the asteroid) for at most 14.0 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 98 * date and approx. time of event: 2007 Nov 01, 13:50 - 2007 Nov 01, 14:10 UT * magnitude of target star: 11.8 * magnitude drop [mag]: 1.7 * estimated maximum duration [s]: 14.0 * Moon: 54 % sunlit, 50° distance * Sun: 144° distance * rough path description: Philippines, SE Asia The occultation path -------------------- * approximate projected width [km]: 150 * 1 sigma uncertainty interval [path widths]: +/- 0.35 * 1 sigma uncertainty interval [seconds]: +/- 5.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .037 +/- .026) * 1 sigma uncertainty ellipse (major, minor, PA): ( .037", .026", 83° ) * approx speed of asteroid's shadow [km/s]: 10.1755 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of 2UCAC 41841479 by 508 Princetonia on 2007 Nov 01 Centre Star Star Sun Path Limits Error Limits E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude 87 0 0 4 14 41 14 10 2 0 61 -34 5 1 1 .. .. .. .. .. .. .. .. .. 88 0 0 4 47 0 14 10 1 1 62 -35 5 33 7 4 0 37 6 5 16 3 28 0 89 0 0 5 18 38 14 10 1 3 62 -36 6 4 33 4 32 28 6 36 33 4 0 0 90 0 0 5 49 35 14 10 0 4 62 -37 6 35 18 5 3 38 7 7 9 4 31 19 91 0 0 6 19 52 14 9 59 5 62 -38 7 5 22 5 34 8 7 37 5 5 1 58 92 0 0 6 49 28 14 9 58 6 62 -39 7 34 46 6 3 56 8 6 21 5 31 55 93 0 0 7 18 24 14 9 57 7 62 -40 8 3 30 6 33 4 8 34 56 6 1 11 94 0 0 7 46 38 14 9 55 8 62 -41 8 31 33 7 1 30 9 2 51 6 29 46 95 0 0 8 14 12 14 9 53 9 62 -42 8 58 55 7 29 16 9 30 5 6 57 40 96 0 0 8 41 5 14 9 51 10 62 -43 9 25 36 7 56 20 9 56 39 7 24 52 97 0 0 9 7 17 14 9 49 11 63 -44 9 51 37 8 22 43 10 22 32 7 51 24 98 0 0 9 32 48 14 9 46 12 63 -45 10 16 58 8 48 26 10 47 45 8 17 14 99 0 0 9 57 39 14 9 44 13 63 -46 10 41 38 9 13 27 11 12 18 8 42 23 100 0 0 10 21 49 14 9 41 14 63 -47 11 5 37 9 37 48 11 36 10 9 6 51 101 0 0 10 45 19 14 9 37 16 63 -48 11 28 57 10 1 28 11 59 23 9 30 38 102 0 0 11 8 8 14 9 34 17 63 -49 11 51 36 10 24 27 12 21 55 9 53 45 103 0 0 11 30 17 14 9 31 18 63 -50 12 13 36 10 46 46 12 43 48 10 16 11 104 0 0 11 51 46 14 9 27 19 64 -51 12 34 55 11 8 25 13 5 1 10 37 56 105 0 0 12 12 36 14 9 23 20 64 -52 12 55 36 11 29 23 13 25 35 10 59 2 106 0 0 12 32 45 14 9 19 21 64 -53 13 15 36 11 49 42 13 45 29 11 19 27 107 0 0 12 52 15 14 9 15 22 64 -54 13 34 58 12 9 21 14 4 45 11 39 12 108 0 0 13 11 6 14 9 10 23 64 -55 13 53 40 12 28 21 14 23 22 11 58 17 109 0 0 13 29 18 14 9 6 24 64 -56 14 11 44 12 46 41 14 41 20 12 16 43 110 0 0 13 46 51 14 9 1 25 65 -57 14 29 9 13 4 21 14 58 39 12 34 30 111 0 0 14 3 45 14 8 56 26 65 -58 14 45 55 13 21 23 15 15 20 12 51 37 112 0 0 14 20 0 14 8 51 27 65 -59 15 2 4 13 37 46 15 31 23 13 8 5 113 0 0 14 35 38 14 8 46 28 65 -60 15 17 34 13 53 31 15 46 49 13 23 55 114 0 0 14 50 37 14 8 41 29 65 -61 15 32 26 14 8 37 16 1 36 13 39 6 115 0 0 15 4 58 14 8 35 29 65 -62 15 46 41 14 23 5 16 15 47 13 53 39 116 0 0 15 18 42 14 8 30 30 66 -63 16 0 18 14 36 55 16 29 19 14 7 33 117 0 0 15 31 48 14 8 24 31 66 -64 16 13 18 14 50 7 16 42 15 14 20 49 118 0 0 15 44 16 14 8 18 32 66 -65 16 25 41 15 2 41 16 54 34 14 33 28 119 0 0 15 56 8 14 8 12 33 66 -66 16 37 27 15 14 38 17 6 16 14 45 29 120 0 0 16 7 22 14 8 6 34 66 -67 16 48 36 15 25 58 17 17 22 14 56 52 121 0 0 16 18 0 14 8 0 35 66 -68 16 59 9 15 36 41 17 27 52 15 7 39 122 0 0 16 28 1 14 7 54 36 66 -69 17 9 5 15 46 46 17 37 45 15 17 48 123 0 0 16 37 26 14 7 47 37 66 -70 17 18 26 15 56 15 17 47 2 15 27 20 124 0 0 16 46 14 14 7 41 38 67 -71 17 27 10 16 5 8 17 55 43 15 36 15 125 0 0 16 54 26 14 7 34 39 67 -71 17 35 18 16 13 24 18 3 49 15 44 34 126 0 0 17 2 2 14 7 27 40 67 -72 17 42 51 16 21 4 18 11 19 15 52 17 127 0 0 17 9 3 14 7 20 41 67 -73 17 49 48 16 28 8 18 18 14 15 59 23 128 0 0 17 15 27 14 7 13 41 67 -74 17 56 9 16 34 35 18 24 33 16 5 53 129 0 0 17 21 16 14 7 6 42 67 -75 18 1 56 16 40 27 18 30 18 16 11 47 130 0 0 17 26 30 14 6 59 43 67 -76 18 7 7 16 45 43 18 35 27 16 17 5 131 0 0 17 31 8 14 6 51 44 67 -77 18 11 43 16 50 24 18 40 1 16 21 47 132 0 0 17 35 11 14 6 44 45 67 -78 18 15 44 16 54 29 18 44 1 16 25 53 133 0 0 17 38 39 14 6 36 46 67 -79 18 19 10 16 57 58 18 47 26 16 29 24 134 0 0 17 41 32 14 6 28 47 67 -80 18 22 1 17 0 53 18 50 16 16 32 19 135 0 0 17 43 49 14 6 21 48 67 -80 18 24 18 17 3 12 18 52 32 16 34 39 136 0 0 17 45 32 14 6 13 48 67 -81 18 26 0 17 4 56 18 54 13 16 36 24 137 0 0 17 46 40 14 6 5 49 67 -82 18 27 7 17 6 4 18 55 20 16 37 33 138 0 0 17 47 14 14 5 57 50 66 -83 18 27 40 17 6 38 18 55 53 16 38 7 139 0 0 17 47 12 14 5 48 51 66 -84 18 27 38 17 6 37 18 55 51 16 38 6 140 0 0 17 46 36 14 5 40 52 66 -84 18 27 2 17 6 1 18 55 15 16 37 30 141 0 0 17 45 25 14 5 32 53 66 -85 18 25 52 17 4 49 18 54 5 16 36 18 142 0 0 17 43 40 14 5 23 53 66 -86 18 24 7 17 3 3 18 52 20 16 34 32 143 0 0 17 41 20 14 5 15 54 65 -86 18 21 48 17 0 43 18 50 2 16 32 10 144 0 0 17 38 25 14 5 6 55 65 -87 18 18 54 16 57 47 18 47 9 16 29 14 145 0 0 17 34 56 14 4 57 56 65 -87 18 15 26 16 54 16 18 43 42 16 25 42 146 0 0 17 30 52 14 4 49 57 64 -86 18 11 24 16 50 11 18 39 41 16 21 36 147 0 0 17 26 14 14 4 40 57 64 -86 18 6 47 16 45 31 18 35 6 16 16 54 148 0 0 17 21 1 14 4 31 58 63 -86 18 1 37 16 40 15 18 29 56 16 11 38 149 0 0 17 15 13 14 4 22 59 63 -85 17 55 51 16 34 25 18 24 12 16 5 46 150 0 0 17 8 51 14 4 12 60 62 -84 17 49 32 16 28 0 18 17 55 15 59 19 151 0 0 17 1 54 14 4 3 61 62 -83 17 42 37 16 21 1 18 11 2 15 52 17 152 0 0 16 54 22 14 3 54 61 61 -83 17 35 9 16 13 26 18 3 36 15 44 40 153 0 0 16 46 16 14 3 44 62 60 -82 17 27 5 16 5 16 17 55 35 15 36 28 154 0 0 16 37 34 14 3 35 63 59 -81 17 18 28 15 56 31 17 47 0 15 27 40 155 0 0 16 28 18 14 3 25 63 58 -80 17 9 15 15 47 11 17 37 50 15 18 17 156 0 0 16 18 26 14 3 16 64 57 -79 16 59 28 15 37 15 17 28 5 15 8 19 157 0 0 16 8 0 14 3 6 65 56 -78 16 49 6 15 26 44 17 17 46 14 57 45 158 0 0 15 56 59 14 2 56 66 55 -77 16 38 9 15 15 38 17 6 53 14 46 36 159 0 0 15 45 22 14 2 46 66 54 -77 16 26 37 15 3 57 16 55 24 14 34 51 160 0 0 15 33 10 14 2 36 67 52 -76 16 14 30 14 51 40 16 43 21 14 22 31 161 0 0 15 20 23 14 2 26 67 51 -75 16 1 48 14 38 48 16 30 42 14 9 35 162 0 0 15 7 1 14 2 16 68 49 -74 15 48 31 14 25 20 16 17 29 13 56 2 163 0 0 14 53 2 14 2 6 68 47 -73 15 34 39 14 11 16 16 3 41 13 41 55 164 0 0 14 38 29 14 1 55 69 46 -72 15 20 11 13 56 36 15 49 17 13 27 11 165 0 0 14 23 19 14 1 45 69 44 -71 15 5 8 13 41 20 15 34 18 13 11 51 166 0 0 14 7 34 14 1 35 70 42 -70 14 49 29 13 25 29 15 18 44 12 55 55 167 0 0 13 51 13 14 1 24 70 39 -69 14 33 15 13 9 1 15 2 34 12 39 22 168 0 0 13 34 17 14 1 14 71 37 -68 14 16 25 12 51 58 14 45 49 12 22 14 169 0 0 13 16 44 14 1 3 71 35 -67 13 58 59 12 34 18 14 28 28 12 4 29 170 0 0 12 58 35 14 0 52 71 32 -66 13 40 58 12 16 2 14 10 31 11 46 7 171 0 0 12 39 50 14 0 42 71 29 -65 13 22 20 11 57 9 13 51 59 11 27 9 172 0 0 12 20 29 14 0 31 72 27 -64 13 3 7 11 37 40 13 32 51 11 7 35 173 0 0 12 0 32 14 0 20 72 24 -63 12 43 17 11 17 35 13 13 7 10 47 24 174 0 0 11 39 58 14 0 9 72 21 -62 12 22 52 10 56 53 12 52 47 10 26 36 175 0 0 11 18 48 13 59 58 72 18 -61 12 1 50 10 35 34 12 31 51 10 5 12 176 0 0 10 57 2 13 59 47 72 15 -60 11 40 12 10 13 39 12 10 19 9 43 11 177 0 0 10 34 39 13 59 36 71 13 -59 11 17 58 9 51 8 11 48 11 9 20 33 178 0 0 10 11 40 13 59 25 71 10 -59 10 55 8 9 28 0 11 25 27 8 57 19 179 0 0 9 48 4 13 59 14 71 7 -58 10 31 41 9 4 15 11 2 6 8 33 27 180 0 0 9 23 52 13 59 3 71 4 -57 10 7 38 8 39 54 10 38 10 8 8 59 -179 0 0 8 59 4 13 58 52 70 2 -56 9 42 59 8 14 56 10 13 37 7 43 55 -178 0 0 8 33 39 13 58 41 70 359 -54 9 17 44 7 49 21 9 48 29 7 18 13 -177 0 0 8 7 38 13 58 29 70 357 -53 8 51 53 7 23 10 9 22 44 6 51 55 -176 0 0 7 41 1 13 58 18 69 355 -52 8 25 25 6 56 23 8 56 24 6 25 1 -175 0 0 7 13 47 13 58 7 68 353 -51 7 58 22 6 29 0 8 29 27 5 57 30 -174 0 0 6 45 58 13 57 56 68 350 -50 7 30 43 6 1 0 8 1 55 5 29 24 -173 0 0 6 17 33 13 57 44 67 349 -49 7 2 28 5 32 25 7 33 47 5 0 41 -172 0 0 5 48 32 13 57 33 67 347 -48 6 33 38 5 3 13 7 5 4 4 31 22 -171 0 0 5 18 56 13 57 22 66 345 -47 6 4 12 4 33 26 6 35 46 4 1 27 -170 0 0 4 48 44 13 57 11 65 343 -46 5 34 11 4 3 4 6 5 52 3 30 57 -169 0 0 4 17 58 13 56 59 64 342 -45 5 3 35 3 32 6 5 35 24 2 59 52 -168 0 0 3 46 36 13 56 48 64 340 -44 4 32 25 3 0 34 5 4 20 2 28 12 -167 0 0 3 14 41 13 56 37 63 339 -43 4 0 40 2 28 27 4 32 43 1 55 57 -166 0 0 2 42 11 13 56 26 62 338 -42 3 28 21 1 55 46 4 0 32 1 23 8 -165 0 0 2 9 7 13 56 15 61 337 -41 2 55 28 1 22 31 3 27 47 0 49 45 -164 0 0 1 35 30 13 56 4 60 336 -40 2 22 2 0 48 43 2 54 29 0 15 49 -163 0 0 1 1 20 13 55 53 59 334 -39 1 48 4 0 14 22 2 20 38 - 0 18 40 -162 0 0 0 26 38 13 55 42 58 334 -38 1 13 33 - 0 20 32 1 46 14 - 0 53 42 -161 0 0 - 0 8 36 13 55 31 57 333 -37 0 38 30 - 0 55 57 1 11 19 - 1 29 16 -160 0 0 - 0 44 21 13 55 20 56 332 -35 0 2 55 - 1 31 54 0 35 52 - 2 5 20 -159 0 0 - 1 20 37 13 55 9 55 331 -34 - 0 33 9 - 2 8 21 - 0 0 5 - 2 41 56 -158 0 0 - 1 57 24 13 54 59 54 330 -33 - 1 9 44 - 2 45 19 - 0 36 32 - 3 19 1 -157 0 0 - 2 34 39 13 54 48 53 329 -32 - 1 46 49 - 3 22 45 - 1 13 29 - 3 56 36 -156 0 0 - 3 12 23 13 54 38 52 329 -31 - 2 24 22 - 4 0 41 - 1 50 55 - 4 34 39 -155 0 0 - 3 50 35 13 54 27 51 328 -30 - 3 2 23 - 4 39 4 - 2 28 48 - 5 13 10 -154 0 0 - 4 29 14 13 54 17 50 327 -29 - 3 40 51 - 5 17 54 - 3 7 9 - 5 52 8 -153 0 0 - 5 8 19 13 54 7 49 327 -28 - 4 19 45 - 5 57 10 - 3 45 55 - 6 31 32 -152 0 0 - 5 47 49 13 53 57 48 326 -27 - 4 59 5 - 6 36 51 - 4 25 8 - 7 11 20 -151 0 0 - 6 27 43 13 53 47 47 326 -26 - 5 38 49 - 7 16 55 - 5 4 44 - 7 51 33 -150 0 0 - 7 8 1 13 53 37 46 325 -24 - 6 18 56 - 7 57 23 - 5 44 45 - 8 32 8 -149 0 0 - 7 48 40 13 53 28 45 325 -23 - 6 59 25 - 8 38 13 - 6 25 7 - 9 13 5 -148 0 0 - 8 29 41 13 53 18 44 324 -22 - 7 40 16 - 9 19 24 - 7 5 51 - 9 54 23 -147 0 0 - 9 11 1 13 53 9 43 324 -21 - 8 21 27 -10 0 54 - 7 46 55 -10 36 0 -146 0 0 - 9 52 40 13 53 0 41 323 -20 - 9 2 56 -10 42 42 - 8 28 18 -11 17 56 -145 0 0 -10 34 36 13 52 51 40 323 -19 - 9 44 43 -11 24 48 - 9 9 59 -12 0 8 -144 0 0 -11 16 48 13 52 42 39 322 -18 -10 26 47 -12 7 9 - 9 51 56 -12 42 35 -143 0 0 -11 59 15 13 52 34 38 322 -17 -11 9 5 -12 49 44 -10 34 9 -13 25 17 -142 0 0 -12 41 55 13 52 26 37 321 -15 -11 51 37 -13 32 33 -11 16 35 -14 8 11 -141 0 0 -13 24 47 13 52 18 36 321 -14 -12 34 21 -14 15 33 -11 59 13 -14 51 17 -140 0 0 -14 7 49 13 52 10 35 320 -13 -13 17 15 -14 58 42 -12 42 3 -15 34 32 -139 0 0 -14 51 0 13 52 2 33 320 -12 -14 0 19 -15 42 1 -13 25 2 -16 17 55 -138 0 0 -15 34 18 13 51 55 32 320 -11 -14 43 31 -16 25 26 -14 8 9 -17 1 25 -137 0 0 -16 17 43 13 51 48 31 319 -10 -15 26 49 -17 8 56 -14 51 23 -17 45 0 -136 0 0 -17 1 11 13 51 41 30 319 -9 -16 10 12 -17 52 30 -15 34 41 -18 28 39 -135 0 0 -17 44 42 13 51 34 29 318 -8 -16 53 37 -18 36 7 -16 18 3 -19 12 19 -134 0 0 -18 28 14 13 51 28 28 318 -7 -17 37 4 -19 19 44 -17 1 27 -19 55 59 -133 0 0 -19 11 45 13 51 22 27 318 -5 -18 20 31 -20 3 19 -17 44 51 -20 39 38 -132 0 0 -19 55 14 13 51 16 25 317 -4 -19 3 56 -20 46 52 -18 28 14 -21 23 14 -131 0 0 -20 38 39 13 51 10 24 317 -3 -19 47 18 -21 30 20 -19 11 33 -22 6 44 -130 0 0 -21 21 58 13 51 5 23 316 -2 -20 30 35 -22 13 43 -19 54 48 -22 50 8 -129 0 0 -22 5 10 13 51 0 22 316 -1 -21 13 45 -22 56 57 -20 37 56 -23 33 24 -128 0 0 -22 48 14 13 50 55 21 315 0 -21 56 46 -23 40 2 -21 20 57 -24 16 31 -127 0 0 -23 31 7 13 50 50 20 315 1 -22 39 38 -24 22 56 -22 3 48 -24 59 25 -126 0 0 -24 13 48 13 50 46 19 315 2 -23 22 19 -25 5 37 -22 46 28 -25 42 7 -125 0 0 -24 56 15 13 50 42 17 314 3 -24 4 46 -25 48 4 -23 28 55 -26 24 34 -124 0 0 -25 38 27 13 50 38 16 314 4 -24 46 59 -26 30 16 -24 11 9 -27 6 45 -123 0 0 -26 20 22 13 50 35 15 313 5 -25 28 55 -27 12 10 -24 53 6 -27 48 38 -122 0 0 -27 2 0 13 50 32 14 313 6 -26 10 35 -27 53 45 -25 34 47 -28 30 12 -121 0 0 -27 43 17 13 50 29 13 312 7 -26 51 55 -28 35 1 -26 16 9 -29 11 25 -120 0 0 -28 24 14 13 50 26 12 312 8 -27 32 55 -29 15 54 -26 57 10 -29 52 17 -119 0 0 -29 4 49 13 50 23 11 311 9 -28 13 33 -29 56 25 -27 37 51 -30 32 45 -118 0 0 -29 45 0 13 50 21 10 311 10 -28 53 48 -30 36 32 -28 18 9 -31 12 49 -117 0 0 -30 24 46 13 50 19 9 310 11 -29 33 39 -31 16 13 -28 58 3 -31 52 27 -116 0 0 -31 4 7 13 50 18 7 310 12 -30 13 5 -31 55 28 -29 37 33 -32 31 38 -115 0 0 -31 43 0 13 50 16 6 309 13 -30 52 4 -32 34 16 -30 16 36 -33 10 21 -114 0 0 -32 21 25 13 50 15 5 309 14 -31 30 35 -33 12 34 -30 55 11 -33 48 35 -113 0 0 -32 59 21 13 50 14 4 308 15 -32 8 38 -33 50 23 -31 33 19 -34 26 19 -112 0 0 -33 36 47 13 50 13 3 308 16 -32 46 11 -34 27 42 -32 10 57 -35 3 32 -111 0 0 -34 13 42 13 50 13 2 307 17 -33 23 14 -35 4 29 -32 48 5 -35 40 14 -110 0 0 -34 50 5 13 50 12 1 306 18 -33 59 46 -35 40 44 -33 24 42 -36 16 22 -109 0 0 -35 25 56 13 50 12 0 306 18 -34 35 45 .. .. .. -34 0 48 .. .. .. -108 0 0 .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. -34 36 21 .. .. .. Data for the target star ------------------------ * name: 2UCAC 41841479 * constellation : Taurus * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 04 47 04.9728 DE: +28 30 19.210 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .029, .022 ) * V mag [mag]: 11.8 * B mag [mag]: 0.0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (508) Princetonia approx. diameter [km]: 142 approx. diameter ["]: .083 distance from Earth [AU]: 2.34500 * orbital information: orbit source: Preston date of fit: 2007 Oct 23 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 597 number of rejected observations: 89 time covered by the observations: 1908 Apr 07 - 2007 Sep 13 1 sigma uncertainty ellipse (major, minor, PA): 0.023, 0.014, 71° remarks: * orbital elements for (508) Princetonia : Mean anomaly = 199.32062941 deg Arg. of pericenter = 180.77867674 deg Long. of node = 44.51091200 deg Inclination = 13.36180775 deg Eccentricity = 0.01370082 Semimajor axis = 3.16193066 AU Perihelion dist = 3.11860960 AU Mag: H = 8.29, G = 0.15 Epoch of elements : MJD 54405.58300000 TDT (2007 Nov 01.583) ------ occelmnt file for Occult BEGIN ----------------------------------- 2007 Nov 01 508 Princetonia 14h 0.1m UT 11.8 4 47 4.973 28 30 19.212UCAC 41841479 0.0 13.3 142 14.0 2.345 -1.507 8.38 -178.736 28.503 -34.12 -14.42 14.0018 -.12188 -.28899 -5.29076 2.23462 -0.00336 -0.00094 2000 198.34194320071027.00000180.778677 44.510912 13.3618080.013700823.161930663.118609608.245 0.15 RATE 1.7529740 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.037 0.026 82.7 1.350 0.029 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2007 Oct 23, 22:02 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org