Occultation of TYC 2984-00554-1 by 31 Euphrosyne #1 on 2023 Sep 28 Distance from center of occultation path - in km Distances are positive to the right, referenced to the direction of motion along the path Uncertainty in time = +/- 1 secs d Proba- Location Longitude Latitude alt U.T. Sepn Alt Sun km bility o ' o ' m h m s " o o 168 - 0% ** Path limit plus 3-Sigma ** 166 S 0% Phoenix AZ John Matthews -111 55. 33 25. 380 9 57 14 -0.073 17 -41 160 S 2% Phoenix AZ Leroy Paller -112 5. 33 35. 378 9 57 15 -0.070 17 -41 159 S 2% 716 Palmer Divide Observatory, -104 45. 39 5. 2268 9 57 24 -0.070 25 -34 159 - 2% ** Path limit plus 2-Sigma ** 158 S 3% 712 USAF Academy Observatory -104 55. 39 5. 2170 9 57 24 -0.069 24 -34 156 S 5% SCOTTSDALE AZ - Tony George -111 55. 33 45. 727 9 57 15 -0.068 17 -41 150 - 16% ** Path limit plus 1-Sigma ** 145 S 31% 710 MPO Observatory, Florissant -105 15. 38 55. 2568 9 57 23 -0.063 24 -34 142 S 47% PHOENIX AZ MALEY~PAUL D. -111 55. 33 45. 659 9 57 15 -0.062 17 -41 141 S 48% Ganado, AZ Paul Temple -109 35. 35 45. 1946 9 57 18 -0.062 20 -39 141 - 50% *** Path limit *** 140 S 52% Larkspur CO Martin Hale -104 55. 39 15. 2100 9 57 24 -0.061 25 -34 140 S 53% Guffey CO - Cloudbait Obs -105 25. 38 45. 2767 9 57 23 -0.061 24 -34 133 S 79% 679 San Pedro Martir -115 25. 31 5. 2797 9 57 11 -0.058 13 -45 132 S 83% Castlrok CO Franklin Miller em? -104 55. 39 25. 1947 9 57 24 -0.058 25 -33 130 S 87% Sun City AZ -112 25. 33 35. 400 9 57 15 -0.057 16 -42 130 S 89% H09 Antelope Hills Observatory, -104 25. 39 45. 1710 9 57 25 -0.057 25 -33 122 S 98% 706 Salida -106 5. 38 35. 1631 9 57 23 -0.053 23 -35 121 S 98% G88 LAMP Observatory, New River -112 5. 33 55. 671 9 57 15 -0.053 17 -41 120 S 99% 726 Brainerd - 94 15. 46 25. 175 9 57 42 -0.052 35 -23 118 S 99% RMSS CO Debbie Schermerhorn -105 25. 39 5. 2651 9 57 24 -0.051 24 -34 113 S 100% 447 Centennial Observatory -104 45. 39 35. 1723 9 57 25 -0.049 25 -33 100 S 100% ENGLEWOOD CO RASOR~PAT -104 55. 39 35. 1829 9 57 25 -0.044 25 -33 100 S 100% 708 Chamberlin Observatory, Den -104 55. 39 45. 1608 9 57 25 -0.043 25 -33 97 S 100% LITTLETON CO OLASON~MICHAEL -105 5. 39 35. 1896 9 57 25 -0.042 25 -34 93 S 100% DENVER CO DENVER MUSEUM O -104 55. 39 45. 1615 9 57 25 -0.041 25 -33 88 S 100% 707 Chamberlin field station -105 25. 39 25. 0 9 57 25 -0.039 24 -34 85 S 100% 700 Chinle -109 35. 36 25. 1592 9 57 19 -0.037 20 -38 83 S 100% Denver CO Moravec~Jim -105 5. 39 55. 1609 9 57 25 -0.036 25 -33 80 S 100% 713 Thornton -105 5. 39 55. 1622 9 57 25 -0.035 25 -33 78 S 100% GOLDEN CO BISQUE~STEVE -105 15. 39 45. 2134 9 57 25 -0.034 25 -34 72 S 100% Cornville AZ - Gerald Madero -111 55. 34 45. 0 9 57 16 -0.032 17 -41 64 S 100% Lowell Observatory -111 35. 35 5. 2173 9 57 17 -0.028 18 -40 64 S 100% Cottonwood AZ -112 5. 34 45. 0 9 57 16 -0.028 17 -41 63 S 100% Boulder CO - D. Terrell, 10" -105 5. 40 5. 0 9 57 26 -0.027 25 -33 60 S 100% Yuma AZ Brian Vorndam -114 35. 32 45. 60 9 57 14 -0.026 14 -44 57 S 100% MtThrodn CO - R Keen/G Emerson -105 25. 39 55. 2727 9 57 25 -0.025 25 -34 55 S 100% GREELEY CO DIETZ~RICHARD D -104 45. 40 25. 1459 9 57 26 -0.024 25 -33 55 S 100% Prescott AZ Donald Didlein -112 25. 34 35. 1715 9 57 16 -0.024 17 -41 55 S 100% Boulder CO Buie~Marc -105 15. 40 5. 1622 9 57 25 -0.024 25 -33 55 S 100% Boulder CO Jewell~Jack -105 15. 40 5. 1622 9 57 25 -0.024 25 -33 55 S 100% 463 Sommers-Bausch Observatory, -105 15. 40 5. 1622 9 57 25 -0.024 25 -33 54 S 100% G89 Kachina Observatory, Flagst -111 45. 35 5. 2058 9 57 17 -0.024 18 -40 54 S 100% Niwot CO - C. Olkin, 14" -105 5. 40 5. 0 9 57 26 -0.024 25 -33 54 S 100% Niwot CO - SwRI -105 15. 40 5. 0 9 57 26 -0.024 25 -33 50 S 100% 684 Prescott -112 25. 34 35. 1763 9 57 16 -0.022 17 -41 50 S 100% Miners View, CO Trina Ruhland -106 5. 39 25. 3350 9 57 24 -0.022 24 -34 50 S 100% Longmont CO Steve Albers -105 5. 40 15. 1524 9 57 26 -0.022 25 -33 49 S 100% Flagstaff AZ -111 35. 35 15. 2102 9 57 17 -0.022 18 -40 48 S 100% 690 Lowell Observatory, Flagsta -111 35. 35 15. 2189 9 57 17 -0.021 18 -40 45 S 100% 689 U.S. Naval Observatory, Fla -111 45. 35 15. 2260 9 57 17 -0.019 18 -40 44 S 100% H05 Edmund Kline Observatory, D -105 55. 39 35. 1528 9 57 25 -0.019 24 -34 44 S 100% Flagstaf AZ Stone and Sudol -111 45. 35 15. 2267 9 57 17 -0.019 18 -40 43 S 100% Prescott AZ Bob Thompson -112 25. 34 35. 0 9 57 16 -0.019 17 -41 37 S 100% PRESCOTT AZ WRIGHT Jr.~FULT -112 35. 34 45. 1576 9 57 16 -0.016 17 -41 19 S 100% FtColins CO Tom Teters -105 5. 40 35. 1600 9 57 27 -0.008 25 -33 6 S 100% 685 Williams, AZ -112 5. 35 25. 0 9 57 17 -0.002 18 -41 1 S 100% 714 Bagdad -113 15. 34 35. 1193 9 57 16 -0.001 16 -42 0 - 100% **** Centre Line **** -11 N 100% Cheyenne WY -104 45. 41 5. 1858 9 57 28 0.005 26 -33 -18 N 100% G78 Desert Wanderer Observatory -115 45. 32 45. -34 9 57 14 0.008 14 -44 -22 N 100% Pierre SD -100 25. 44 25. 451 9 57 35 0.010 30 -28 -39 N 100% DividingCaAZ Buie~Marc -113 5. 35 5. 1606 9 57 17 0.017 17 -41 -41 N 100% Fargo ND - 96 45. 46 55. 274 9 57 41 0.018 33 -25 -48 N 100% Tierra delSolOb, SDAA Observato -116 15. 32 35. 1131 9 57 14 0.021 13 -45 -67 N 100% GrndJunction CO -108 35. 39 5. 1398 9 57 23 0.029 22 -36 -68 N 100% 680 Los Angeles -115 15. 33 45. 0 9 57 15 0.030 15 -44 -69 N 100% Laramie WY 1983_529YaronSheffe -105 35. 41 15. 2208 9 57 28 0.030 25 -33 -72 N 100% MLagunaO CA San Diego St.Univ. -116 25. 32 55. 1859 9 57 14 0.032 13 -45 -75 N 100% Jelm Mtn WY IR observatory -105 55. 41 5. 2947 9 57 27 0.033 25 -33 -88 N 100% 918 Badlands Observatory, Quinn -102 5. 43 55. 795 9 57 34 0.038 29 -29 -102 N 100% Kingman AZ Paul Temple no eml -114 5. 35 15. 0 9 57 17 0.044 16 -42 -107 N 100% Kingman AZ Patrick~Chris -113 55. 35 25. 966 9 57 18 0.047 17 -42 -109 N 100% Ramona, CA Fred Bruenjes -116 45. 32 55. 475 9 57 15 0.048 13 -45 -110 N 100% SAN DIEGO CA FALLA~DANIEL E. -117 5. 32 45. 84 9 57 14 0.048 13 -45 -118 N 99% OceanBch CA Pratt, Lee eml? -117 15. 32 45. 0 9 57 14 0.052 13 -46 -121 N 98% 934 Poway Valley -117 5. 32 55. 253 9 57 15 0.053 13 -45 -125 N 95% LA JOLLA CA ALEXANDER~JAMES H. -117 15. 32 55. 0 9 57 15 0.055 13 -45 -135 N 72% Palm Desert CA Levy~Lampert -116 25. 33 45. 296 9 57 16 0.059 14 -44 -138 N 62% Solana B CA Rick Adair -117 15. 32 55. 0 9 57 15 0.060 13 -45 -139 N 58% Grand Forks ND - 97 5. 47 55. 200 9 57 43 0.061 34 -24 -140 N 53% Encinits CA Dr. Eugene Larr -117 15. 33 5. 0 9 57 15 0.061 13 -45 -140 N 52% Palomar Mountain/NEAT/DSS -116 55. 33 25. 1694 9 57 15 0.061 13 -45 -140 N 51% 682 Kanab -112 25. 37 5. 1616 9 57 20 0.061 18 -40 -141 - 50% *** Path limit *** -141 N 49% GRAND FORKS ND GAFFEY~MICHAEL - 97 5. 47 55. 457 9 57 43 0.061 34 -24 -141 N 49% 730 University of North Dakota, - 97 5. 47 55. 257 9 57 43 0.062 34 -24 -141 N 49% Anza CA Orange Cty. A. S. -116 45. 33 25. 1323 9 57 15 0.062 13 -45 -144 N 37% ne1000Pm CA Dillon & 1000 Palms -116 15. 33 55. 0 9 57 16 0.063 14 -44 -145 N 34% nEscnddo CA I-15 & S12 mobile -117 5. 33 15. 0 9 57 15 0.063 13 -45 -146 N 27% G74 Escondido -117 5. 33 15. 452 9 57 15 0.064 13 -45 -150 - 16% ** Path limit plus 1-Sigma ** -150 N 16% Carlsbad CA Tom Harnish -117 15. 33 5. 0 9 57 15 0.065 13 -45 -153 N 8% eastAnza CA DAVID PAUL WERNER -116 45. 33 45. 1353 9 57 16 0.067 14 -45 -155 N 6% RapidCity SD -103 15. 44 5. 984 9 57 34 0.067 28 -30 -159 - 2% ** Path limit plus 2-Sigma ** -161 N 1% Oceansid CA Photo and Telescope -117 25. 33 15. 0 9 57 15 0.070 13 -45 -164 N 1% DesertHotSprngsC Jim French? -116 35. 33 55. 350 9 57 16 0.071 14 -44 -164 N 1% 650 Temecula -117 5. 33 25. 343 9 57 15 0.071 13 -45 -164 N 0% Meadview AZ Bill Goodart -114 5. 35 55. 951 9 57 19 0.072 17 -41 -168 - 0% ** Path limit plus 3-Sigma ** Prediction of 2023 Aug 27.0