IOTA/IOTA-ES occultation update for (1838) Ursa / TYC 2525-01503-1 event on 2008 Feb 04, 00:56 UT Visible from Africa Summary ------- On 2008 Feb 04 UT, the 35 km diameter asteroid (1838) Ursa will occult a 11.4 mag star in the constellation Ursa Major for observers along a path across Africa. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.2 mag to 15.6 mag (the magnitude of the asteroid) for at most 3.0 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: 37 * date and approx. time of event: 2008 Feb 04, 00:47 - 2008 Feb 04, 01:05 UT * midpoint of event [JD]: 2454500.53899583 * magnitude of target star: 11.4 * magnitude drop [mag]: 4.2 * estimated maximum duration [s]: 3.0 * Moon: 10 % sunlit, 118° distance * Sun: 143° distance * rough path description: Africa The occultation path -------------------- * approximate projected width [km]: 36 * 1 sigma uncertainty interval [path widths]: +/- 1.81 * 1 sigma uncertainty interval [seconds]: +/- 6.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .047 +/- .043) * 1 sigma uncertainty ellipse (major, minor, PA): ( .051", .038", 126° ) * approx speed of asteroid's shadow [km/s]: 11.5134 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 2525-01503-1 by 1838 Ursa on 2008 Feb 04 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 ' " Longitude Longitude Longitude Longitude ... .. .. -44 0 0 .. .. .. .. .. .. ... .. .. 74 5 24 ... .. .. 73 4 15 73 22 1 -43 0 0 0 47 15 1 324 5 73 38 38 73 5 25 ... .. .. 72 5 30 72 23 21 -42 0 0 0 47 15 2 325 4 72 39 39 72 7 5 ... .. .. 71 8 19 71 26 13 -41 0 0 0 47 16 4 326 3 71 42 12 71 10 14 72 40 12 70 12 32 70 30 27 -40 0 0 0 47 17 5 326 2 70 46 10 70 14 46 71 43 8 69 18 3 69 35 58 -39 0 0 0 47 18 6 327 1 69 51 25 69 20 32 70 47 25 68 24 46 68 42 39 -38 0 0 0 47 19 7 327 0 68 57 51 68 27 28 69 52 57 67 32 34 67 50 24 -37 0 0 0 47 21 8 328 -1 68 5 22 67 35 27 68 59 37 66 41 21 66 59 8 -36 0 0 0 47 23 10 328 -2 67 13 53 66 44 23 68 7 21 65 51 4 66 8 45 -35 0 0 0 47 25 11 329 -3 66 23 18 65 54 13 67 16 2 65 1 37 65 19 12 -34 0 0 0 47 27 12 329 -4 65 33 34 65 4 51 66 25 35 64 12 55 64 30 24 -33 0 0 0 47 30 13 330 -5 64 44 35 64 16 14 65 35 58 63 24 56 63 42 17 -32 0 0 0 47 33 14 330 -6 63 56 18 63 28 16 64 47 4 62 37 34 62 54 47 -31 0 0 0 47 36 16 331 -7 63 8 39 62 40 56 63 58 51 61 50 47 62 7 51 -30 0 0 0 47 39 17 331 -8 62 21 34 61 54 9 63 11 14 61 4 31 61 21 26 -29 0 0 0 47 43 18 331 -9 61 35 1 61 7 51 62 24 10 60 18 43 60 35 28 -28 0 0 0 47 47 19 332 -10 60 48 55 60 22 1 61 37 37 59 33 19 59 49 55 -27 0 0 0 47 51 20 332 -11 60 3 15 59 36 35 60 51 30 58 48 18 59 4 43 -26 0 0 0 47 55 22 333 -12 59 17 56 58 51 30 60 5 48 58 3 37 58 19 50 -25 0 0 0 47 59 23 333 -13 58 32 58 58 6 43 59 20 26 57 19 12 57 35 14 -24 0 0 0 48 4 24 333 -14 57 48 16 57 22 13 58 35 24 56 35 2 56 50 53 -23 0 0 0 48 9 25 334 -15 57 3 49 56 37 56 57 50 38 55 51 4 56 6 42 -22 0 0 0 48 14 26 334 -16 56 19 34 55 53 51 57 6 5 55 7 15 55 22 42 -21 0 0 0 48 20 28 334 -17 55 35 29 55 9 55 56 21 44 54 23 35 54 38 49 -20 0 0 0 48 25 29 335 -18 54 51 32 54 26 5 55 37 32 53 39 59 53 55 1 -19 0 0 0 48 31 30 335 -19 54 7 40 53 42 21 54 53 27 52 56 28 53 11 16 -18 0 0 0 48 37 31 335 -20 53 23 52 52 58 39 54 9 27 52 12 57 52 27 32 -17 0 0 0 48 43 32 336 -21 52 40 6 52 14 58 53 25 30 51 29 26 51 43 48 -16 0 0 0 48 50 33 336 -22 51 56 19 51 31 16 52 41 34 50 45 53 51 0 0 -15 0 0 0 48 57 35 336 -23 51 12 29 50 47 31 51 57 36 50 2 15 50 16 8 -14 0 0 0 49 4 36 337 -24 50 28 35 50 3 40 51 13 36 49 18 30 49 32 9 -13 0 0 0 49 11 37 337 -25 49 44 35 49 19 43 50 29 30 48 34 37 48 48 1 -12 0 0 0 49 18 38 337 -26 49 0 26 48 35 36 49 45 17 47 50 34 48 3 43 -11 0 0 0 49 26 39 338 -27 48 16 7 47 51 18 49 0 55 47 6 18 47 19 12 -10 0 0 0 49 34 41 338 -28 47 31 35 47 6 48 48 16 22 46 21 49 46 34 26 - 9 0 0 0 49 42 42 338 -29 46 46 50 46 22 2 47 31 37 45 37 3 45 49 24 - 8 0 0 0 49 50 43 339 -31 46 1 48 45 37 0 46 46 36 44 51 58 45 4 4 - 7 0 0 0 49 58 44 339 -32 45 16 28 44 51 38 46 1 19 44 6 34 44 18 22 - 6 0 0 0 50 7 45 340 -33 44 30 48 44 5 56 45 15 42 43 20 47 43 32 18 - 5 0 0 0 50 16 46 340 -34 43 44 46 43 19 50 44 29 45 42 34 36 42 45 50 - 4 0 0 0 50 25 48 340 -35 42 58 19 42 33 20 43 43 24 41 47 58 41 58 54 - 3 0 0 0 50 34 49 341 -36 42 11 25 41 46 21 42 56 38 41 0 51 41 11 28 - 2 0 0 0 50 43 50 341 -37 41 24 2 40 58 53 42 9 24 40 13 13 40 23 31 - 1 0 0 0 50 53 51 342 -38 40 36 8 40 10 53 41 21 41 39 25 1 39 34 59 0 0 0 0 51 3 52 342 -39 39 47 40 39 22 18 40 33 25 38 36 13 38 45 51 1 0 0 0 51 13 54 343 -40 38 58 35 38 33 5 39 44 34 37 46 46 Latitude Latitude Latitude Latitude 37 0 0 3 6 31 0 51 35 56 344 -42 3 21 42 2 51 18 4 16 26 1 55 59 36 0 0 4 16 32 0 51 48 57 345 -44 4 31 34 4 1 28 5 25 46 3 6 41 35 0 0 5 25 15 0 52 0 59 346 -45 5 40 9 5 10 20 6 33 49 4 16 7 34 0 0 6 32 41 0 52 13 60 347 -46 6 47 25 6 17 55 7 40 34 5 24 14 33 0 0 7 38 47 0 52 25 61 348 -47 7 53 22 7 24 10 8 45 59 6 31 2 32 0 0 8 43 32 0 52 38 63 350 -49 8 57 59 8 29 4 9 50 5 7 36 28 31 0 0 9 46 56 0 52 50 64 351 -50 10 1 14 9 32 37 10 52 49 8 40 33 30 0 0 10 48 58 0 53 3 65 352 -51 11 3 8 10 34 47 11 54 12 9 43 15 29 0 0 11 49 38 0 53 15 66 354 -52 12 3 39 11 35 35 12 54 12 10 44 35 28 0 0 12 48 55 0 53 28 67 356 -53 13 2 48 12 35 1 13 52 51 11 44 31 27 0 0 13 46 50 0 53 40 68 358 -54 14 0 34 13 33 4 14 50 8 12 43 5 26 0 0 14 43 22 0 53 52 69 360 -55 14 56 58 14 29 44 15 46 3 13 40 15 25 0 0 15 38 32 0 54 5 70 2 -56 15 52 0 15 25 3 16 40 37 14 36 3 24 0 0 16 32 21 0 54 17 71 4 -57 16 45 41 16 19 0 17 33 49 15 30 29 23 0 0 17 24 49 0 54 29 72 7 -58 17 38 1 17 11 35 18 25 42 16 23 33 22 0 0 18 15 56 0 54 40 72 10 -59 18 29 1 18 2 50 19 16 14 17 15 16 21 0 0 19 5 44 0 54 52 73 13 -60 19 18 42 18 52 46 20 5 28 18 5 38 20 0 0 19 54 13 0 55 4 73 16 -61 20 7 3 19 41 22 20 53 24 18 54 42 19 0 0 20 41 25 0 55 15 74 19 -62 20 54 8 20 28 41 21 40 2 19 42 26 18 0 0 21 27 19 0 55 26 74 23 -63 21 39 55 21 14 42 22 25 24 20 28 54 17 0 0 22 11 58 0 55 37 75 27 -63 22 24 27 21 59 27 23 9 32 21 14 4 16 0 0 22 55 21 0 55 48 75 30 -64 23 7 44 22 42 58 23 52 25 21 57 59 15 0 0 23 37 32 0 55 59 75 34 -65 23 49 48 23 25 15 24 34 5 22 40 40 14 0 0 24 18 29 0 56 10 75 38 -66 24 30 39 24 6 19 25 14 33 23 22 7 13 0 0 24 58 15 0 56 20 75 42 -66 25 10 19 24 46 11 25 53 51 24 2 23 12 0 0 25 36 51 0 56 31 75 45 -67 25 48 49 25 24 53 26 31 59 24 41 27 11 0 0 26 14 18 0 56 41 75 48 -68 26 26 9 26 2 26 27 8 58 25 19 21 10 0 0 26 50 37 0 56 51 74 52 -68 27 2 23 26 38 51 27 44 51 25 56 7 9 0 0 27 25 49 0 57 1 74 55 -69 27 37 29 27 14 8 28 19 37 26 31 46 8 0 0 27 59 56 0 57 11 74 58 -69 28 11 30 27 48 21 28 53 18 27 6 18 7 0 0 28 32 58 0 57 21 73 60 -70 28 44 27 28 21 28 29 25 56 27 39 45 6 0 0 29 4 57 0 57 30 73 63 -70 29 16 21 28 53 32 29 57 31 28 12 8 5 0 0 29 35 54 0 57 40 72 65 -70 29 47 13 29 24 34 30 28 5 28 43 28 4 0 0 30 5 49 0 57 49 71 67 -71 30 17 3 29 54 34 30 57 38 29 13 46 3 0 0 30 34 45 0 57 58 71 68 -71 30 45 54 30 23 35 31 26 13 29 43 4 2 0 0 31 2 42 0 58 7 70 70 -71 31 13 47 30 51 37 31 53 48 30 11 22 1 0 0 31 29 41 0 58 16 70 71 -71 31 40 42 31 18 40 32 20 27 30 38 42 0 0 0 31 55 44 0 58 24 69 73 -71 32 6 40 31 44 47 32 46 10 31 5 4 - 1 0 0 32 20 50 0 58 33 68 74 -72 32 31 42 32 9 58 33 10 58 31 30 30 - 2 0 0 32 45 2 0 58 41 68 75 -72 32 55 50 32 34 14 33 34 51 31 55 1 - 3 0 0 33 8 20 0 58 50 67 76 -72 33 19 5 32 57 36 33 57 52 32 18 37 - 4 0 0 33 30 46 0 58 58 66 77 -72 33 41 26 33 20 5 34 20 0 32 41 20 - 5 0 0 33 52 19 0 59 6 66 77 -72 34 2 56 33 41 42 34 41 16 33 3 10 - 6 0 0 34 13 1 0 59 14 65 78 -72 34 23 34 34 2 27 35 1 43 33 24 8 - 7 0 0 34 32 53 0 59 22 64 78 -71 34 43 23 34 22 22 35 21 19 33 44 15 - 8 0 0 34 51 55 0 59 29 63 79 -71 35 2 22 34 41 28 35 40 7 34 3 33 - 9 0 0 35 10 9 0 59 37 63 79 -71 35 20 33 34 59 45 35 58 6 34 22 1 - 10 0 0 35 27 35 0 59 44 62 79 -71 35 37 56 35 17 14 36 15 19 34 39 40 - 11 0 0 35 44 13 0 59 52 61 79 -71 35 54 31 35 33 55 36 31 44 34 56 32 - 12 0 0 36 0 5 0 59 59 61 80 -70 36 10 21 35 49 50 36 47 24 35 12 36 - 13 0 0 36 15 11 1 0 6 60 80 -70 36 25 24 36 4 58 37 2 18 35 27 54 - 14 0 0 36 29 32 1 0 13 59 80 -70 36 39 43 36 19 21 37 16 28 35 42 26 - 15 0 0 36 43 8 1 0 20 58 80 -70 36 53 16 36 33 0 37 29 53 35 56 13 - 16 0 0 36 56 0 1 0 27 58 80 -69 37 6 6 36 45 54 37 42 35 36 9 15 - 17 0 0 37 8 9 1 0 34 57 80 -69 37 18 13 36 58 5 37 54 34 36 21 33 - 18 0 0 37 19 34 1 0 41 56 80 -68 37 29 36 37 9 32 38 5 51 36 33 7 - 19 0 0 37 30 17 1 0 47 55 80 -68 37 40 17 37 20 16 38 16 25 36 43 59 - 20 0 0 37 40 18 1 0 54 55 79 -68 37 50 16 37 30 19 38 26 18 36 54 7 - 21 0 0 37 49 36 1 1 0 54 79 -67 37 59 33 37 39 39 38 35 29 37 3 33 - 22 0 0 37 58 14 1 1 6 53 79 -67 38 8 9 37 48 18 38 44 0 37 12 17 - 23 0 0 38 6 10 1 1 13 53 79 -66 38 16 4 37 56 16 38 51 50 37 20 20 - 24 0 0 38 13 26 1 1 19 52 79 -66 38 23 19 38 3 33 38 59 0 37 27 42 - 25 0 0 38 20 1 1 1 25 51 78 -65 38 29 53 38 10 9 39 5 31 37 34 22 - 26 0 0 38 25 56 1 1 31 50 78 -65 38 35 47 38 16 5 39 11 21 37 40 22 - 27 0 0 38 31 12 1 1 37 50 78 -64 38 41 1 38 21 21 39 16 32 37 45 41 - 28 0 0 38 35 47 1 1 42 49 77 -64 38 45 36 38 25 58 39 21 4 37 50 20 - 29 0 0 38 39 43 1 1 48 48 77 -63 38 49 31 38 29 54 39 24 57 37 54 19 - 30 0 0 38 43 0 1 1 54 47 77 -63 38 52 47 38 33 11 39 28 11 37 57 38 - 31 0 0 38 45 37 1 2 0 47 76 -62 38 55 24 38 35 49 39 30 47 38 0 17 - 32 0 0 38 47 35 1 2 5 46 76 -62 38 57 22 38 37 48 39 32 43 38 2 17 - 33 0 0 38 48 54 1 2 11 45 76 -61 38 58 41 38 39 7 39 34 1 38 3 37 - 34 0 0 38 49 34 1 2 16 45 75 -61 38 59 21 38 39 47 39 34 41 38 4 17 - 35 0 0 38 49 34 1 2 21 44 75 -60 38 59 21 38 39 47 39 34 42 38 4 17 - 36 0 0 38 48 56 1 2 27 43 74 -59 38 58 43 38 39 9 39 34 4 38 3 38 - 37 0 0 38 47 38 1 2 32 42 74 -59 38 57 26 38 37 51 39 32 48 38 2 19 - 38 0 0 38 45 41 1 2 37 42 73 -58 38 55 29 38 35 53 39 30 52 38 0 20 - 39 0 0 38 43 5 1 2 42 41 73 -58 38 52 53 38 33 16 39 28 18 37 57 41 - 40 0 0 38 39 49 1 2 47 40 72 -57 38 49 38 38 30 0 39 25 5 37 54 23 - 41 0 0 38 35 53 1 2 52 39 72 -56 38 45 43 38 26 3 39 21 13 37 50 23 - 42 0 0 38 31 17 1 2 57 39 72 -56 38 41 8 38 21 26 39 16 41 37 45 43 - 43 0 0 38 26 1 1 3 1 38 71 -55 38 35 52 38 16 9 39 11 29 37 40 23 - 44 0 0 38 20 5 1 3 6 37 71 -55 38 29 57 38 10 12 39 5 38 37 34 21 - 45 0 0 38 13 27 1 3 11 36 70 -54 38 23 21 38 3 33 38 59 6 37 27 38 - 46 0 0 38 6 8 1 3 15 36 70 -53 38 16 4 37 56 13 38 51 54 37 20 13 - 47 0 0 37 58 8 1 3 20 35 69 -53 38 8 5 37 48 11 38 44 0 37 12 6 - 48 0 0 37 49 26 1 3 24 34 69 -52 37 59 24 37 39 28 38 35 26 37 3 16 - 49 0 0 37 40 2 1 3 29 33 68 -51 37 50 1 37 30 1 38 26 9 36 53 44 - 50 0 0 37 29 54 1 3 33 32 68 -51 37 39 56 37 19 52 38 16 10 36 43 27 - 51 0 0 37 19 3 1 3 38 32 67 -50 37 29 7 37 8 59 38 5 28 36 32 27 - 52 0 0 37 7 28 1 3 42 31 67 -50 37 17 34 36 57 22 37 54 3 36 20 43 - 53 0 0 36 55 9 1 3 46 30 66 -49 37 5 17 36 45 0 37 41 54 36 8 13 - 54 0 0 36 42 4 1 3 50 29 66 -48 36 52 15 36 31 53 37 29 1 35 54 57 - 55 0 0 36 28 14 1 3 54 28 65 -47 36 38 27 36 18 0 37 15 22 35 40 55 - 56 0 0 36 13 37 1 3 58 28 65 -47 36 23 53 36 3 21 37 0 57 35 26 5 - 57 0 0 35 58 13 1 4 2 27 64 -46 36 8 31 35 47 54 36 45 46 35 10 28 - 58 0 0 35 42 0 1 4 5 26 63 -45 35 52 22 35 31 38 36 29 47 34 54 2 - 59 0 0 35 24 59 1 4 9 25 63 -45 35 35 24 35 14 34 36 13 0 34 36 46 - 60 0 0 35 7 8 1 4 13 24 62 -44 35 17 36 34 56 40 35 55 24 34 18 40 - 61 0 0 34 48 26 1 4 16 23 62 -43 34 58 58 34 37 54 35 36 58 33 59 42 - 62 0 0 34 28 53 1 4 20 23 61 -42 34 39 28 34 18 18 35 17 41 33 39 52 - 63 0 0 34 8 27 1 4 23 22 61 -42 34 19 6 33 57 48 34 57 32 33 19 9 - 64 0 0 33 47 8 1 4 26 21 60 -41 33 57 50 33 36 25 34 36 31 32 57 31 - 65 0 0 33 24 53 1 4 29 20 60 -40 33 35 40 33 14 6 34 14 35 32 34 58 - 66 0 0 33 1 43 1 4 32 19 59 -39 33 12 34 32 50 52 33 51 44 32 11 28 - 67 0 0 32 37 36 1 4 35 18 59 -39 32 48 31 32 26 41 33 27 57 31 47 1 - 68 0 0 32 12 31 1 4 38 17 58 -38 32 23 31 32 1 31 33 3 13 31 21 34 - 69 0 0 31 46 26 1 4 41 16 58 -37 31 57 31 31 35 21 32 37 30 30 55 8 - 70 0 0 31 19 21 1 4 44 15 57 -36 31 30 30 31 8 11 32 10 47 30 27 39 - 71 0 0 30 51 13 1 4 46 14 57 -35 31 2 28 30 39 58 31 43 3 29 59 8 - 72 0 0 30 22 2 1 4 48 13 56 -34 30 33 22 30 10 41 31 14 16 29 29 32 - 73 0 0 29 51 46 1 4 51 12 56 -34 30 3 11 29 40 20 30 44 25 28 58 50 - 74 0 0 29 20 23 1 4 53 11 55 -33 29 31 54 29 8 52 30 13 29 28 27 1 - 75 0 0 28 47 53 1 4 55 10 55 -32 28 59 29 28 36 15 29 41 25 27 54 3 - 76 0 0 28 14 12 1 4 56 9 54 -31 28 25 55 28 2 29 29 8 13 27 19 54 - 77 0 0 27 39 21 1 4 58 8 54 -30 27 51 10 27 27 31 28 33 50 26 44 33 - 78 0 0 27 3 17 1 5 0 7 54 -29 27 15 13 26 51 20 27 58 16 26 7 59 - 79 0 0 26 25 58 1 5 1 6 53 -28 26 38 1 26 13 55 27 21 28 25 30 9 - 80 0 0 25 47 23 1 5 2 5 53 -27 25 59 33 25 35 13 26 43 25 24 51 1 - 81 0 0 25 7 31 1 5 3 4 52 -26 25 19 47 24 55 13 26 4 5 24 10 35 - 82 0 0 24 26 18 1 5 3 3 52 -25 24 38 42 24 13 53 25 23 27 23 28 48 - 83 0 0 23 43 44 1 5 4 2 51 -24 23 56 15 23 31 11 .. .. .. 22 45 38 - 84 0 0 22 59 46 1 5 4 0 51 -23 23 12 26 22 47 6 .. .. .. .. .. .. Data for the target star ------------------------ * name: TYC 2525-01503-1 * constellation : Ursa Major * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 11 30 58.3502 DE: +35 37 22.255 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .016, .017 ) * V mag [mag]: 11.4 * B mag [mag]: 11.8 * Apparent position with proper motion RA(deg): 172.8602109983 DE(deg): 35.5738660168 * Equation of equinoxes (radians) : 0.000045600082892 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1838) Ursa approx. diameter [km]: 35 approx. diameter ["]: .021 distance from Earth [AU]: 2.31600 * orbital information: orbit source: Preston date of fit: 2008 Jan 02 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 627 number of rejected observations: 11 time covered by the observations: 1951 Apr 09 - 2007 Nov 18 1 sigma uncertainty ellipse (major, minor, PA): 0.049, 0.035, 130° remarks: * orbital elements for (1838) Ursa : Mean anomaly = 36.20518964 deg Arg. of pericenter = 67.18516415 deg Long. of node = 44.33266284 deg Inclination = 21.98891416 deg Eccentricity = 0.02144472 Semimajor axis = 3.21353545 AU Perihelion dist = 3.14462209 AU Mag: H = 10.70, G = 0.15 Epoch of elements : MJD 54500.03900000 TDT (2008 Feb 04.039) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Feb 04 1838 Ursa 0h 56.2m UT 11.4 11 30 58.350 35 37 22.26TYC 2525-01503-1 11.8 15.6 35 3.0 2.316 -1.477 16.89 25.125 35.618 169.42 -16.46 0.9359 -.17690 -.18832 -4.73719 4.44850 -0.00340 -0.00133 2000 34.48759842008 125.00000 67.185164 44.332663 21.9889140.021444723.213535453.1446220910.65 0.15 RATE 1.7109190 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.051 0.038 126.2 2.810 0.038 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Jan 04, 04:35 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org