IOTA/IOTA-ES occultation update for (1849) Kresak / UCAC4 269-178877 event on 2024 Aug 13, 01:59 UT Visible from Summary ------- On 2024 Aug 13 UT, the 20.9687876485141 km diameter asteroid (1849) Kresak will occult a 10.2 mag star in the constellation Sagittarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.13 mag to 16.34 mag (the magnitude of the asteroid) for at most 2.780 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The event at a glimpse ---------------------- * Rank: 99 * date and approx. time of event: 2024 Aug 13, 01:46 - 2024 Aug 13, 02:12 * geocentric midpoint of event [JD]: 2460535.58285755 * magnitude of target star: 10.21 * magnitude drop [mag]: 6.13 * estimated maximum duration [s]: 2.780 * Moon: 54 % sunlit, 51° distance * Sun: 143° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 23 * 1 sigma uncertainty interval [path widths]: +/- 0.28 * 1 sigma uncertainty interval [seconds]: +/- 4.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.020, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.020", 0.002", 89°) * approx speed of asteroid's shadow [km/s]: 7.5964 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 269-178877 by 1849 Kresak on 2024 Aug 13 Centre Star Star Sun Path Limits Error Limits Alt E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 Crn o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude -136 0 0 24 14 34 2 12 12.4 1 131 19 24 22 51 24 6 17 24 27 26 24 1 43 .... -135 0 0 23 27 39 2 12 12.0 2 131 18 23 35 55 23 19 23 23 40 29 23 14 50 -0.19 -134 0 0 22 40 43 2 12 11.2 3 131 17 22 48 58 22 32 28 22 53 31 22 27 56 -0.30 -133 0 0 21 53 48 2 12 10.0 4 132 15 22 2 2 21 45 35 22 6 34 21 41 3 -0.34 -132 0 0 21 6 56 2 12 8.4 5 132 14 21 15 9 20 58 44 21 19 41 20 54 13 -0.37 -131 0 0 20 20 10 2 12 6.5 7 133 13 20 28 21 20 11 59 20 32 52 20 7 29 -0.39 -130 0 0 19 33 31 2 12 4.1 8 133 12 19 41 40 19 25 22 19 46 10 19 20 53 -0.40 -129 0 0 18 47 1 2 12 1.3 9 133 11 18 55 9 18 38 54 18 59 38 18 34 25 -0.41 -128 0 0 18 0 42 2 11 58.0 10 134 10 18 8 48 17 52 36 18 13 16 17 48 9 -0.41 -127 0 0 17 14 36 2 11 54.4 11 134 9 17 22 40 17 6 32 17 27 8 17 2 6 -0.42 -126 0 0 16 28 45 2 11 50.4 13 134 8 16 36 47 16 20 43 16 41 14 16 16 18 -0.42 -125 0 0 15 43 10 2 11 46.1 14 134 7 15 51 11 15 35 10 15 55 36 15 30 46 -0.42 -124 0 0 14 57 54 2 11 41.3 15 135 6 15 5 52 14 49 56 15 10 17 14 45 32 -0.43 -123 0 0 14 12 57 2 11 36.1 16 135 5 14 20 54 14 5 1 14 25 17 14 0 39 -0.43 -122 0 0 13 28 22 2 11 30.6 17 135 4 13 36 16 13 20 28 13 40 38 13 16 7 -0.43 -121 0 0 12 44 9 2 11 24.7 19 136 3 12 52 1 12 36 17 12 56 22 12 31 57 -0.43 -120 0 0 12 0 21 2 11 18.4 20 136 1 12 8 11 11 52 31 12 12 30 11 48 12 -0.43 -119 0 0 11 16 58 2 11 11.8 21 136 0 11 24 46 11 9 10 11 29 4 11 4 53 -0.43 -118 0 0 10 34 1 2 11 4.9 22 136 -1 10 41 47 10 26 16 10 46 5 10 22 0 -0.44 -117 0 0 9 51 33 2 10 57.6 23 137 -2 9 59 17 9 43 50 10 3 33 9 39 35 -0.44 -116 0 0 9 9 34 2 10 50.0 25 137 -3 9 17 16 9 1 53 9 21 30 8 57 39 -0.44 -115 0 0 8 28 5 2 10 42.1 26 137 -4 8 35 44 8 20 26 8 39 58 8 16 14 -0.44 -114 0 0 7 47 7 2 10 33.8 27 137 -5 7 54 44 7 39 31 7 58 57 7 35 19 -0.44 -113 0 0 7 6 41 2 10 25.3 28 138 -6 7 14 16 6 59 7 7 18 27 6 54 57 -0.44 -112 0 0 6 26 49 2 10 16.5 29 138 -7 6 34 21 6 19 17 6 38 31 6 15 8 -0.44 -111 0 0 5 47 29 2 10 7.4 30 138 -8 5 54 59 5 40 0 5 59 8 5 35 52 -0.44 -110 0 0 5 8 44 2 9 58.0 31 138 -10 5 16 12 5 1 17 5 20 20 4 57 10 -0.44 -109 0 0 4 30 35 2 9 48.4 32 139 -11 4 38 0 4 23 9 4 42 6 4 19 4 -0.44 -108 0 0 3 53 0 2 9 38.5 34 139 -12 4 0 24 3 45 37 4 4 29 3 41 33 -0.44 -107 0 0 3 16 2 2 9 28.4 35 139 -13 3 23 24 3 8 42 3 27 27 3 4 39 -0.44 -106 0 0 2 39 41 2 9 18.1 36 140 -14 2 47 0 2 32 23 2 51 3 2 28 21 -0.44 -105 0 0 2 3 57 2 9 7.5 37 140 -15 2 11 14 1 56 41 2 15 15 1 52 40 -0.44 -104 0 0 1 28 51 2 8 56.8 38 140 -16 1 36 6 1 21 37 1 40 6 1 17 37 -0.44 -103 0 0 0 54 22 2 8 45.8 39 140 -17 1 1 35 0 47 10 1 5 34 0 43 12 -0.44 -102 0 0 0 20 32 2 8 34.7 40 141 -18 0 27 43 0 13 22 0 31 40 0 9 25 -0.44 -101 0 0 - 0 12 39 2 8 23.3 41 141 -19 - 0 5 31 - 0 19 47 - 0 1 34 - 0 23 43 -0.44 -100 0 0 - 0 45 12 2 8 11.8 42 141 -20 - 0 38 6 - 0 52 18 - 0 34 10 - 0 56 13 -0.44 - 99 0 0 - 1 17 6 2 8 0.1 43 142 -21 - 1 10 2 - 1 24 10 - 1 6 7 - 1 28 4 -0.43 - 98 0 0 - 1 48 21 2 7 48.3 44 142 -22 - 1 41 18 - 1 55 23 - 1 37 25 - 1 59 15 -0.43 - 97 0 0 - 2 18 56 2 7 36.3 45 143 -23 - 2 11 56 - 2 25 56 - 2 8 4 - 2 29 48 -0.43 - 96 0 0 - 2 48 52 2 7 24.2 46 143 -25 - 2 41 54 - 2 55 51 - 2 38 3 - 2 59 41 -0.43 - 95 0 0 - 3 18 9 2 7 11.9 47 144 -26 - 3 11 12 - 3 25 5 - 3 7 22 - 3 28 55 -0.43 - 94 0 0 - 3 46 46 2 6 59.6 48 144 -27 - 3 39 51 - 3 53 40 - 3 36 2 - 3 57 29 -0.43 - 93 0 0 - 4 14 43 2 6 47.1 49 144 -28 - 4 7 50 - 4 21 36 - 4 4 3 - 4 25 23 -0.43 - 92 0 0 - 4 42 1 2 6 34.5 50 145 -29 - 4 35 10 - 4 48 52 - 4 31 23 - 4 52 39 -0.43 - 91 0 0 - 5 8 40 2 6 21.8 51 146 -30 - 5 1 50 - 5 15 29 - 4 58 4 - 5 19 14 -0.43 - 90 0 0 - 5 34 38 2 6 9.0 51 146 -31 - 5 27 51 - 5 41 26 - 5 24 6 - 5 45 10 -0.43 - 89 0 0 - 5 59 58 2 5 56.1 52 147 -32 - 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64 0 0 -13 4 22 2 0 19.5 67 178 -56 -12 58 4 -13 10 39 -12 54 36 -13 14 7 -0.42 - 63 0 0 -13 13 15 2 0 5.9 67 180 -57 -13 6 58 -13 19 31 -13 3 30 -13 22 59 -0.42 - 62 0 0 -13 21 32 1 59 52.3 67 182 -58 -13 15 15 -13 27 48 -13 11 47 -13 31 15 -0.42 - 61 0 0 -13 29 12 1 59 38.7 67 184 -59 -13 22 56 -13 35 28 -13 19 29 -13 38 55 -0.42 - 60 0 0 -13 36 16 1 59 25.1 67 186 -60 -13 30 1 -13 42 31 -13 26 34 -13 45 58 -0.42 - 59 0 0 -13 42 45 1 59 11.6 67 188 -60 -13 36 30 -13 48 59 -13 33 3 -13 52 26 -0.42 - 58 0 0 -13 48 37 1 58 58.1 67 190 -61 -13 42 23 -13 54 52 -13 38 56 -13 58 18 -0.42 - 57 0 0 -13 53 54 1 58 44.6 67 192 -62 -13 47 40 -14 0 8 -13 44 13 -14 3 34 -0.42 - 56 0 0 -13 58 35 1 58 31.2 67 194 -63 -13 52 21 -14 4 48 -13 48 54 -14 8 14 -0.42 - 55 0 0 -14 2 40 1 58 17.8 67 195 -64 -13 56 26 -14 8 53 -13 53 0 -14 12 19 -0.42 - 54 0 0 -14 6 9 1 58 4.4 67 197 -65 -13 59 55 -14 12 22 -13 56 29 -14 15 47 -0.42 - 53 0 0 -14 9 2 1 57 51.0 66 199 -66 -14 2 49 -14 15 15 -13 59 23 -14 18 41 -0.42 - 52 0 0 -14 11 20 1 57 37.7 66 201 -67 -14 5 7 -14 17 33 -14 1 41 -14 20 58 -0.42 - 51 0 0 -14 13 2 1 57 24.4 66 203 -68 -14 6 49 -14 19 15 -14 3 24 -14 22 40 -0.42 - 50 0 0 -14 14 9 1 57 11.1 65 204 -69 -14 7 56 -14 20 21 -14 4 30 -14 23 47 -0.42 - 49 0 0 -14 14 40 1 56 57.9 65 206 -70 -14 8 27 -14 20 52 -14 5 1 -14 24 17 -0.42 - 48 0 0 -14 14 35 1 56 44.7 65 207 -71 -14 8 22 -14 20 47 -14 4 56 -14 24 13 -0.42 - 47 0 0 -14 13 54 1 56 31.6 64 209 -71 -14 7 41 -14 20 7 -14 4 15 -14 23 32 -0.42 - 46 0 0 -14 12 38 1 56 18.5 64 210 -72 -14 6 25 -14 18 51 -14 2 59 -14 22 16 -0.42 - 45 0 0 -14 10 46 1 56 5.5 63 211 -73 -14 4 33 -14 16 59 -14 1 7 -14 20 24 -0.42 - 44 0 0 -14 8 18 1 55 52.5 63 213 -74 -14 2 4 -14 14 31 -13 58 38 -14 17 56 -0.42 - 43 0 0 -14 5 14 1 55 39.5 62 214 -75 -13 59 0 -14 11 27 -13 55 34 -14 14 53 -0.42 - 42 0 0 -14 1 34 1 55 26.6 62 215 -76 -13 55 20 -14 7 48 -13 51 54 -14 11 14 -0.42 - 41 0 0 -13 57 18 1 55 13.8 61 216 -77 -13 51 4 -14 3 32 -13 47 38 -14 6 58 -0.42 - 40 0 0 -13 52 27 1 55 1.0 60 217 -78 -13 46 12 -13 58 41 -13 42 45 -14 2 7 -0.42 - 39 0 0 -13 46 59 1 54 48.3 60 218 -79 -13 40 44 -13 53 13 -13 37 17 -13 56 40 -0.42 - 38 0 0 -13 40 54 1 54 35.6 59 219 -80 -13 34 39 -13 47 9 -13 31 12 -13 50 36 -0.42 - 37 0 0 -13 34 13 1 54 23.0 58 220 -81 -13 27 58 -13 40 29 -13 24 30 -13 43 56 -0.43 - 36 0 0 -13 26 56 1 54 10.5 58 220 -81 -13 20 40 -13 33 12 -13 17 12 -13 36 40 -0.43 - 35 0 0 -13 19 2 1 53 58.0 57 221 -82 -13 12 45 -13 25 19 -13 9 17 -13 28 47 -0.43 - 34 0 0 -13 10 32 1 53 45.6 56 222 -83 -13 4 14 -13 16 49 -13 0 46 -13 20 17 -0.43 - 33 0 0 -13 1 24 1 53 33.3 56 223 -84 -12 55 6 -13 7 42 -12 51 37 -13 11 11 -0.43 - 32 0 0 -12 51 40 1 53 21.0 55 223 -85 -12 45 21 -12 57 59 -12 41 52 -13 1 27 -0.43 - 31 0 0 -12 41 18 1 53 8.8 54 224 -86 -12 34 58 -12 47 38 -12 31 29 -12 51 7 -0.43 - 30 0 0 -12 30 19 1 52 56.7 53 224 -86 -12 23 59 -12 36 39 -12 20 29 -12 40 9 -0.43 - 29 0 0 -12 18 43 1 52 44.7 52 225 -87 -12 12 21 -12 25 4 -12 8 51 -12 28 34 -0.43 - 28 0 0 -12 6 28 1 52 32.8 52 225 -87 -12 0 6 -12 12 50 -11 56 35 -12 16 21 -0.43 - 27 0 0 -11 53 36 1 52 21.0 51 226 -87 -11 47 13 -11 59 59 -11 43 42 -12 3 30 -0.43 - 26 0 0 -11 40 6 1 52 9.2 50 226 -87 -11 33 42 -11 46 30 -11 30 10 -11 50 2 -0.43 - 25 0 0 -11 25 58 1 51 57.6 49 226 -86 -11 19 33 -11 32 23 -11 16 0 -11 35 55 -0.43 - 24 0 0 -11 11 11 1 51 46.1 48 227 -86 -11 4 45 -11 17 37 -11 1 12 -11 21 10 -0.43 - 23 0 0 -10 55 46 1 51 34.6 47 227 -85 -10 49 19 -11 2 13 -10 45 45 -11 5 47 -0.43 - 22 0 0 -10 39 42 1 51 23.3 47 227 -84 -10 33 14 -10 46 10 -10 29 39 -10 49 44 -0.43 - 21 0 0 -10 22 59 1 51 12.1 46 228 -83 -10 16 30 -10 29 29 -10 12 55 -10 33 3 -0.43 - 20 0 0 -10 5 37 1 51 1.0 45 228 -82 - 9 59 6 -10 12 8 - 9 55 31 -10 15 43 -0.43 - 19 0 0 - 9 47 36 1 50 50.0 44 228 -81 - 9 41 4 - 9 54 8 - 9 37 27 - 9 57 44 -0.44 - 18 0 0 - 9 28 55 1 50 39.2 43 228 -80 - 9 22 21 - 9 35 28 - 9 18 44 - 9 39 5 -0.44 - 17 0 0 - 9 9 34 1 50 28.4 42 229 -79 - 9 2 59 - 9 16 8 - 8 59 21 - 9 19 46 -0.44 - 16 0 0 - 8 49 33 1 50 17.9 41 229 -78 - 8 42 57 - 8 56 9 - 8 39 18 - 8 59 47 -0.44 - 15 0 0 - 8 28 52 1 50 7.4 40 229 -77 - 8 22 14 - 8 35 30 - 8 18 35 - 8 39 9 -0.44 - 14 0 0 - 8 7 31 1 49 57.1 39 229 -76 - 8 0 52 - 8 14 10 - 7 57 11 - 8 17 50 -0.44 - 13 0 0 - 7 45 29 1 49 47.0 38 229 -75 - 7 38 48 - 7 52 10 - 7 35 7 - 7 55 50 -0.44 - 12 0 0 - 7 22 47 1 49 37.0 37 229 -74 - 7 16 4 - 7 29 29 - 7 12 22 - 7 33 10 -0.44 - 11 0 0 - 6 59 23 1 49 27.2 36 229 -73 - 6 52 39 - 7 6 7 - 6 48 56 - 7 9 50 -0.44 - 10 0 0 - 6 35 19 1 49 17.6 35 230 -72 - 6 28 33 - 6 42 4 - 6 24 49 - 6 45 48 -0.44 - 9 0 0 - 6 10 34 1 49 8.1 34 230 -71 - 6 3 46 - 6 17 21 - 6 0 1 - 6 21 5 -0.44 - 8 0 0 - 5 45 7 1 48 58.8 33 230 -70 - 5 38 17 - 5 51 55 - 5 34 32 - 5 55 41 -0.44 - 7 0 0 - 5 18 58 1 48 49.7 32 230 -69 - 5 12 7 - 5 25 49 - 5 8 21 - 5 29 35 -0.44 - 6 0 0 - 4 52 9 1 48 40.8 31 230 -68 - 4 45 16 - 4 59 1 - 4 41 28 - 5 2 48 -0.45 - 5 0 0 - 4 24 37 1 48 32.2 30 230 -67 - 4 17 42 - 4 31 31 - 4 13 53 - 4 35 20 -0.45 - 4 0 0 - 3 56 24 1 48 23.7 29 230 -66 - 3 49 27 - 4 3 20 - 3 45 37 - 4 7 10 -0.45 - 3 0 0 - 3 27 29 1 48 15.4 28 230 -65 - 3 20 30 - 3 34 27 - 3 16 39 - 3 38 18 -0.45 - 2 0 0 - 2 57 52 1 48 7.4 27 230 -64 - 2 50 51 - 3 4 52 - 2 46 59 - 3 8 44 -0.45 - 1 0 0 - 2 27 34 1 47 59.6 26 230 -63 - 2 20 31 - 2 34 36 - 2 16 38 - 2 38 29 -0.45 0 0 0 - 1 56 33 1 47 52.1 25 230 -62 - 1 49 29 - 2 3 38 - 1 45 34 - 2 7 32 -0.45 1 0 0 - 1 24 51 1 47 44.8 24 231 -61 - 1 17 44 - 1 31 58 - 1 13 49 - 1 35 53 -0.45 2 0 0 - 0 52 28 1 47 37.8 23 231 -59 - 0 45 19 - 0 59 36 - 0 41 22 - 1 3 33 -0.45 3 0 0 - 0 19 23 1 47 31.0 22 231 -58 - 0 12 11 - 0 26 33 - 0 8 13 - 0 30 31 -0.45 4 0 0 0 14 24 1 47 24.5 21 231 -57 0 21 38 0 7 11 0 25 37 0 3 12 -0.45 5 0 0 0 48 52 1 47 18.3 20 231 -56 0 56 7 0 41 36 1 0 8 0 37 36 -0.46 6 0 0 1 24 0 1 47 12.5 19 231 -55 1 31 18 1 16 43 1 35 20 1 12 41 -0.46 7 0 0 1 59 49 1 47 6.9 17 231 -54 2 7 10 1 52 29 2 11 13 1 48 27 -0.46 8 0 0 2 36 19 1 47 1.6 16 231 -53 2 43 41 2 28 56 2 47 46 2 24 53 -0.46 9 0 0 3 13 28 1 46 56.6 15 231 -51 3 20 53 3 6 3 3 24 59 3 1 58 -0.46 10 0 0 3 51 16 1 46 52.0 14 231 -50 3 58 44 3 43 49 4 2 51 3 39 43 -0.46 11 0 0 4 29 44 1 46 47.7 13 231 -49 4 37 14 4 22 15 4 41 22 4 18 7 -0.46 12 0 0 5 8 50 1 46 43.8 12 231 -48 5 16 22 5 1 18 5 20 32 4 57 9 -0.46 13 0 0 5 48 33 1 46 40.2 10 232 -47 5 56 8 5 40 59 6 0 19 5 36 49 -0.46 14 0 0 6 28 54 1 46 37.0 9 232 -46 6 36 31 6 21 17 6 40 43 6 17 6 -0.47 15 0 0 7 9 50 1 46 34.2 8 232 -44 7 17 30 7 2 11 7 21 44 6 57 59 -0.47 16 0 0 7 51 22 1 46 31.7 7 232 -43 7 59 4 7 43 41 8 3 19 7 39 27 -0.47 17 0 0 8 33 29 1 46 29.6 6 232 -42 8 41 13 8 25 45 8 45 30 8 21 30 -0.47 18 0 0 9 16 9 1 46 28.0 4 232 -41 9 23 55 9 8 23 9 28 13 9 4 6 -0.48 19 0 0 9 59 21 1 46 26.7 3 232 -40 10 7 10 9 51 32 10 11 29 9 47 14 -0.48 20 0 0 10 43 4 1 46 25.8 2 233 -38 10 50 55 10 35 13 10 55 16 10 30 54 -0.50 21 0 0 11 27 17 1 46 25.4 1 233 -37 11 35 11 11 19 24 11 39 32 11 15 3 -0.56 Uncertainty in time = +/- 4 secs Prediction of 2023 Jul 15.2 Data for the target star ------------------------ * name: UCAC4 269-178877 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 19 14 39.0083 DE: -36 14 51.672 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 19 14 39.0082 DE: -36 14 51.672 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 10.2 * B mag [mag]: 10.8 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1849) Kresak asteroid class: approx. diameter [km]: 21 approx. diameter ["]: 0.013 distance from Earth [AU]: 2.20900 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#56 date of fit: 2023 Apr 24 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.020", 0.002", 89.234° remarks: * orbital elements for (1849)Kresak : Mean anomaly = 113.6926367650 deg Arg. of pericenter = 130.9372384309 deg Long. of node = 50.3141365585 deg Inclination = 10.7609806447 deg Eccentricity = 0.0184627262 Semimajor axis = 3.0527175220 AU Perihelion dist = 2.9963560342 AU Mag: H = 11.47, G = 0.15 Epoch of elements : MJD 60535.08285800 TDT (2024 Aug 13.0829) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#562023Apr24,2.78,2024,8,13,1.988581,0.054538,0.383938,-4.245089,0.602581,0.003100,0.001531,0.000001,0.000000 -62.7546,-36.2060,151.39,14.55,False UCAC4 269-178877,19.24416898,-36.2476865,10.84,10.21,9.87,0.1,0,,19.27191040,-36.2059805,6.13,6.02,0,0,1 1849,Kresak,16.34,21.129,2.2090,0,0,-1.395,2.40,,2.2,0 0,113.6773,2024,8,13,130.9372,50.3141,10.7610,0.01846,3.05272,2.99636,11.47,5.0,0.15 1.276,0.0200,0.0019,89,0.0036,Known errors,1.12,0,-1,-1 20240813_178877,60140.24 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 05:50 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org