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Around Graze Time...
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Occultation prediction for BREIT IDEAS Obs - 12inch LX200 E. Longitude -121 42 10.0, Latitude 37 6 47.8, Alt. 282m; Telescope dia 30cm; dMag 0.0 day Time P Star Sp Mag Mag % Elon Sun Moon CA PA VA AA
y m d h m s No D v r V ill Alt Alt Az o o o o
09 Apr 22 12 10 45 D Venus -4.7 -4.7 8- 34 4 90 -75S 87 140 109
Duration of planetary disk occultation: predicted time +/-44.1 secs
09 Apr 22 12 14 26 D 3512 K4 5.6 4.8 8- 34 5 90 -3N 344 37 7
R3512 = 22 Piscium
09 Apr 22 12 22 1 Gr 3512 K4 5.6 4.8 8- 34 7 ** GRAZE: CA 9.8N;
Dist. 93km in az. 346deg. [Lat =37.97+0.20(E.Long+121.70)]
09 Apr 22 12 26 49 R 3512 K4 5.6 4.8 8- 34 -12 8 92 22N 319 12 342
R3512 = 22 Piscium
09 Apr 22 13 3 58 R Venus -4.7 -4.7 8- 33 -5 15 98 52S 213 266 236
Duration of planetary disk occultation: predicted time +/-47.6 secs
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(7
Degrees Elevation at ~ 90 degrees Azimuth !) ZC3152 Graze on April 22nd @ 5AM 282m - MORGAN HILL ZC3152 Graze on April 22nd @ 5AM 100m - BRENTWOOD
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Grazing Occultation of 3512 K4 Magnitude 5.6 [Red = 4.8] R3512 = 22 Piscium Date: 2009 Apr 22 12h 21m, to 2009 Apr 22 13h 52m Nominal site altitude 282m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o -125 0 0 37 26 24 12 20 36 4 89 14.39 332.2 354.80 9.17N -124 52 30 37 27 23 12 20 39 4 89 14.01 332.2 354.77 9.20N -124 45 0 37 28 22 12 20 41 4 89 13.65 332.2 354.75 9.22N -124 37 30 37 29 23 12 20 44 4 90 13.30 332.2 354.73 9.24N -124 30 0 37 30 25 12 20 46 4 90 12.97 332.1 354.70 9.26N -124 22 30 37 31 28 12 20 49 5 90 12.66 332.1 354.68 9.29N -124 15 0 37 32 32 12 20 52 5 90 12.36 332.1 354.66 9.31N -124 7 30 37 33 37 12 20 55 5 90 12.08 332.1 354.64 9.33N -124 0 0 37 34 43 12 20 58 5 90 11.80 332.0 354.61 9.36N -123 52 30 37 35 50 12 21 1 5 90 11.54 332.0 354.59 9.38N -123 45 0 37 36 58 12 21 4 5 90 11.29 332.0 354.57 9.40N -123 37 30 37 38 7 12 21 7 5 90 11.05 332.0 354.54 9.42N -123 30 0 37 39 17 12 21 10 5 90 10.82 331.9 354.52 9.45N -123 22 30 37 40 28 12 21 13 5 90 10.60 331.9 354.50 9.47N -123 15 0 37 41 40 12 21 16 5 90 10.39 331.9 354.48 9.49N -123 7 30 37 42 53 12 21 19 6 91 10.19 331.9 354.45 9.52N -123 0 0 37 44 8 12 21 23 6 91 9.99 331.9 354.43 9.54N -122 52 30 37 45 23 12 21 26 6 91 9.80 331.8 354.41 9.56N -122 45 0 37 46 40 12 21 29 6 91 9.62 331.8 354.38 9.59N -122 37 30 37 47 57 12 21 33 6 91 9.44 331.8 354.36 9.61N -122 30 0 37 49 16 12 21 37 6 91 9.27 331.8 354.34 9.63N -122 22 30 37 50 36 12 21 40 6 91 9.11 331.7 354.31 9.66N -122 15 0 37 51 57 12 21 44 6 91 8.95 331.7 354.29 9.68N -122 7 30 37 53 19 12 21 48 6 91 8.79 331.7 354.27 9.70N -122 0 0 37 54 42 12 21 51 7 91 8.64 331.7 354.24 9.73N -121 52 30 37 56 7 12 21 55 7 91 8.50 331.6 354.22 9.75N -121 45 0 37 57 32 12 21 59 7 92 8.36 331.6 354.20 9.77N -121 37 30 37 58 59 12 22 3 -12 7 92 8.22 331.6 354.17 9.80N -121 30 0 38 0 27 12 22 7 -12 7 92 8.09 331.6 354.15 9.82N -121 22 30 38 1 55 12 22 11 -12 7 92 7.97 331.5 354.12 9.85N -121 15 0 38 3 26 12 22 15 -12 7 92 7.84 331.5 354.10 9.87N -121 7 30 38 4 57 12 22 20 -12 7 92 7.72 331.5 354.08 9.89N -121 0 0 38 6 29 12 22 24 -11 7 92 7.61 331.5 354.05 9.92N -120 52 30 38 8 3 12 22 28 -11 8 92 7.49 331.5 354.03 9.94N -120 45 0 38 9 38 12 22 33 -11 8 92 7.38 331.4 354.00 9.97N -120 37 30 38 11 14 12 22 37 -11 8 92 7.28 331.4 353.98 9.99N -120 30 0 38 12 51 12 22 42 -11 8 92 7.17 331.4 353.96 10.01N -120 22 30 38 14 29 12 22 46 -11 8 93 7.07 331.4 353.93 10.04N -120 15 0 38 16 9 12 22 51 -11 8 93 6.97 331.3 353.91 10.06N -120 7 30 38 17 49 12 22 56 -11 8 93 6.88 331.3 353.88 10.09N -120 0 0 38 19 31 12 23 0 -11 8 93 6.78 331.3 353.86 10.11N -119 52 30 38 21 15 12 23 5 -10 8 93 6.69 331.3 353.84 10.14N -119 45 0 38 22 59 12 23 10 -10 9 93 6.60 331.2 353.81 10.16N -119 37 30 38 24 45 12 23 15 -10 9 93 6.52 331.2 353.79 10.18N -119 30 0 38 26 32 12 23 20 -10 9 93 6.43 331.2 353.76 10.21N -119 22 30 38 28 20 12 23 25 -10 9 93 6.35 331.2 353.74 10.23N -119 15 0 38 30 10 12 23 30 -10 9 93 6.27 331.1 353.71 10.26N -119 7 30 38 32 1 12 23 36 -10 9 93 6.19 331.1 353.69 10.28N -119 0 0 38 33 53 12 23 41 -10 9 94 6.11 331.1 353.66 10.31N -118 52 30 38 35 46 12 23 46 -9 9 94 6.04 331.1 353.64 10.33N -118 45 0 38 37 41 12 23 52 -9 10 94 5.97 331.0 353.62 10.36N -118 37 30 38 39 37 12 23 57 -9 10 94 5.89 331.0 353.59 10.38N -118 30 0 38 41 34 12 24 3 -9 10 94 5.82 331.0 353.57 10.40N -118 22 30 38 43 33 12 24 9 -9 10 94 5.76 331.0 353.54 10.43N -118 15 0 38 45 32 12 24 14 -9 10 94 5.69 330.9 353.52 10.45N -118 7 30 38 47 34 12 24 20 -9 10 94 5.62 330.9 353.49 10.48N -118 0 0 38 49 36 12 24 26 -9 10 94 5.56 330.9 353.47 10.50N -117 52 30 38 51 40 12 24 32 -9 10 94 5.50 330.9 353.44 10.53N -117 45 0 38 53 45 12 24 38 -8 10 95 5.44 330.8 353.42 10.55N -117 37 30 38 55 52 12 24 44 -8 11 95 5.38 330.8 353.39 10.58N -117 30 0 38 58 0 12 24 50 -8 11 95 5.32 330.8 353.37 10.60N -117 22 30 39 0 9 12 24 56 -8 11 95 5.26 330.8 353.34 10.63N -117 15 0 39 2 20 12 25 3 -8 11 95 5.20 330.7 353.32 10.65N -117 7 30 39 4 32 12 25 9 -8 11 95 5.15 330.7 353.29 10.68N -117 0 0 39 6 46 12 25 15 -8 11 95 5.09 330.7 353.27 10.70N -116 52 30 39 9 1 12 25 22 -8 11 95 5.04 330.7 353.24 10.73N -116 45 0 39 11 17 12 25 28 -7 11 95 4.99 330.6 353.22 10.75N -116 37 30 39 13 35 12 25 35 -7 11 96 4.94 330.6 353.19 10.78N -116 30 0 39 15 54 12 25 42 -7 12 96 4.89 330.6 353.17 10.80N -116 22 30 39 18 15 12 25 48 -7 12 96 4.84 330.6 353.14 10.83N -116 15 0 39 20 37 12 25 55 -7 12 96 4.79 330.5 353.12 10.85N -116 7 30 39 23 1 12 26 2 -7 12 96 4.74 330.5 353.09 10.88N -116 0 0 39 25 26 12 26 9 -7 12 96 4.70 330.5 353.07 10.90N -115 52 30 39 27 52 12 26 16 -7 12 96 4.65 330.5 353.04 10.93N -115 45 0 39 30 20 12 26 24 -6 12 96 4.60 330.4 353.02 10.96N -115 37 30 39 32 50 12 26 31 -6 12 96 4.56 330.4 352.99 10.98N -115 30 0 39 35 21 12 26 38 -6 12 96 4.52 330.4 352.97 11.01N -115 22 30 39 37 53 12 26 45 -6 13 97 4.48 330.4 352.94 11.03N -115 15 0 39 40 27 12 26 53 -6 13 97 4.43 330.3 352.91 11.06N -115 7 30 39 43 3 12 27 0 -6 13 97 4.39 330.3 352.89 11.08N -115 0 0 39 45 40 12 27 8 -6 13 97 4.35 330.3 352.86 11.11N -114 52 30 39 48 19 12 27 16 -6 13 97 4.31 330.3 352.84 11.13N -114 45 0 39 50 59 12 27 23 -5 13 97 4.27 330.2 352.81 11.16N -114 37 30 39 53 41 12 27 31 -5 13 97 4.24 330.2 352.79 11.18N -114 30 0 39 56 24 12 27 39 -5 13 97 4.20 330.2 352.76 11.21N -114 22 30 39 59 9 12 27 47 -5 14 98 4.16 330.2 352.74 11.23N -114 15 0 40 1 55 12 27 55 -5 14 98 4.12 330.1 352.71 11.26N -114 7 30 40 4 44 12 28 3 -5 14 98 4.09 330.1 352.69 11.28N -114 0 0 40 7 33 12 28 12 -5 14 98 4.05 330.1 352.66 11.31N -113 52 30 40 10 25 12 28 20 -4 14 98 4.02 330.1 352.64 11.34N -113 45 0 40 13 18 12 28 28 -4 14 98 3.99 330.0 352.61 11.36N -113 37 30 40 16 12 12 28 37 -4 14 98 3.95 330.0 352.59 11.39N -113 30 0 40 19 8 12 28 45 -4 14 98 3.92 330.0 352.56 11.41N -113 22 30 40 22 6 12 28 54 -4 14 98 3.89 330.0 352.53 11.44N -113 15 0 40 25 6 12 29 3 -4 15 99 3.85 329.9 352.51 11.46N -113 7 30 40 28 7 12 29 12 -4 15 99 3.82 329.9 352.48 11.49N -113 0 0 40 31 10 12 29 20 -4 15 99 3.79 329.9 352.46 11.51N -112 52 30 40 34 15 12 29 29 -3 15 99 3.76 329.9 352.43 11.54N -112 45 0 40 37 21 12 29 38 -3 15 99 3.73 329.8 352.41 11.56N -112 37 30 40 40 29 12 29 48 -3 15 99 3.70 329.8 352.38 11.59N -112 30 0 40 43 39 12 29 57 -3 15 99 3.67 329.8 352.36 11.62N -112 22 30 40 46 51 12 30 6 -3 15 99 3.64 329.8 352.33 11.64N -112 15 0 40 50 4 12 30 15 -3 15 100 3.62 329.7 352.31 11.67N -112 7 30 40 53 19 12 30 25 -3 16 100 3.59 329.7 352.28 11.69N -112 0 0 40 56 36 12 30 34 -2 16 100 3.56 329.7 352.26 11.72N -111 52 30 40 59 54 12 30 44 -2 16 100 3.53 329.7 352.23 11.74N -111 45 0 41 3 15 12 30 54 -2 16 100 3.51 329.6 352.20 11.77N -111 37 30 41 6 37 12 31 4 -2 16 100 3.48 329.6 352.18 11.79N -111 30 0 41 10 1 12 31 13 -2 16 100 3.46 329.6 352.15 11.82N -111 22 30 41 13 27 12 31 23 -2 16 100 3.43 329.6 352.13 11.84N -111 15 0 41 16 54 12 31 34 -2 16 101 3.41 329.5 352.10 11.87N -111 7 30 41 20 24 12 31 44 -2 16 101 3.38 329.5 352.08 11.89N -111 0 0 41 23 55 12 31 54 -1 17 101 3.36 329.5 352.05 11.92N -110 52 30 41 27 28 12 32 4 -1 17 101 3.33 329.5 352.03 11.94N -110 45 0 41 31 3 12 32 15 -1 17 101 3.31 329.4 352.00 11.97N -110 37 30 41 34 40 12 32 25 -1 17 101 3.29 329.4 351.98 11.99N -110 30 0 41 38 19 12 32 36 -1 17 101 3.26 329.4 351.95 12.02N -110 22 30 41 42 0 12 32 46 -1 17 102 3.24 329.4 351.93 12.04N -110 15 0 41 45 43 12 32 57 -1 17 102 3.22 329.3 351.90 12.07N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Projected diameter of star 13 meters Librations Long -6.01 Lat -4.48
P +350.52 D +5.72
Illumination of moon 8%-
Elongation of Moon 34
Vertical Profile Scale 4.12 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.71 deg/min
At longitude -96.88:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
10.0 2.7 4.1 4.8 5.2 5.4 5.6 5.7
12.0 2.7 4.1 4.8 5.2 5.4 5.6 5.7
14.0 2.7 4.1 4.8 5.2 5.4 5.6 5.7
16.0 2.7 4.1 4.8 5.2 5.4 5.6 5.7
18.0 2.7 4.1 4.8 5.2 5.4 5.6 5.7
Results of Observer Scan UT Site Long. Lat. Dist. h m s San Francisco -122.4 37.8 8km 12 21 40 Arbuckle -122.2 39.0 119km 12 21 46 Aug28 -122.2 39.2 142km 12 21 47 Frank Sabatini -122.1 38.0 14km 12 21 48 Diablo Valley College -122.1 38.0 7km 12 21 50 Esparto -122.0 38.7 85km 12 21 51 July Graze -122.0 39.4 155km 12 21 52 Aug29 Dunnigan -122.0 38.9 101km 12 21 53 May7th-San Jose -121.9 37.4 59km 12 21 54 Rudy -121.8 37.2 78km 12 21 58 Livermore -121.8 37.8 18km 12 21 59 BREIT IDEAS Obs -121.7 37.1 93km 12 22 1 Noel Lerner -121.4 38.6 59km 12 22 12 Patrick Wiggins -112.3 40.6 17km 12 30 12 E E Barnard Obs -111.8 43.8 259km 12 30 53 Results of Observer Scan UT Site Long. Lat. Dist. h m s Gualala CA 2001_9 7RobertInnes -123.4 38.7 112km 12 21 12 Armstrng CA Nolthenius mobile -123.0 38.6 90km 12 21 23 Ocidntal CA Phil Sullivan -122.9 38.4 72km 12 21 25 Pt Reyes - Vision -122.9 38.1 36km 12 21 27 Sebastopol, CA Robert Innes -122.8 38.4 64km 12 21 29 SANTA ROSA CA LOYER~GEORGE E. -122.7 38.5 71km 12 21 32 SAN RAFA CA HUME OBSERVATORY -122.7 38.6 83km 12 21 32 PENNGROVE CA BUMGARNER~SANDY -122.6 38.3 59km 12 21 33 San Rafael CA - Walker Vaning -122.5 38.0 17km 12 21 36 Kenwood, CA FergusonObs.,8 -122.5 38.4 66km 12 21 37 SAN FRAN CA William Westbrooke -122.5 37.7 11km 12 21 38 HALF MOON BAY CA FRANK~CHRISTOPH -122.4 37.5 41km 12 21 39 SanFrancisco CA -122.4 37.8 7km 12 21 40 Brisbane CA -122.4 37.7 19km 12 21 41 College of San Mateo -122.3 37.5 34km 12 21 42 BELMONT CA HART~JIM -122.3 37.5 37km 12 21 43 BERKELEY CA FREEMAN~TONY -122.3 37.9 1km 12 21 43 Berkeley CA Schrier~Joshua -122.3 37.9 1km 12 21 43 Fremont CA D. Anderson -122.3 37.8 7km 12 21 44 660 Leuschner Observatory, Berk -122.3 37.9 0km 12 21 44 Oakland CA Chabot Obs. (new) -122.2 37.8 7km 12 21 47 SAN LEANDRO CA GINGRICH~MARK -122.2 37.8 11km 12 21 47 BonnyDun CA Nolthenius mobile -122.1 37.1 86km 12 21 48 SANTA CLARA CA OKASAKI~KENT -122.1 37.4 57km 12 21 48 Los Altos CA ADLER~ALAN -122.1 37.4 52km 12 21 48 CAMPBELL CA BALDRIDGE~RICHA -122.1 37.4 57km 12 21 48 PaloAlto CA Lum, Stanford -122.1 37.4 50km 12 21 48 Oakland CA - Bob Sills -122.1 37.8 13km 12 21 48 CastroVl CA Bob Sills -122.1 37.7 22km 12 21 50 Mtn View CA SETI Peter Backus -122.1 37.4 55km 12 21 50 WlnutCrk CA Tom Case (&Rowley) -122.1 37.9 1km 12 21 50 Diablo Valley College - 18 inch -122.1 38.0 7km 12 21 50 Silicon Valley - Thad Floryan -122.1 37.3 61km 12 21 50 UNION CITY CA GARFINKLE~ROBER -122.1 37.6 36km 12 21 50 Castro Valley CA Skelly~Bruce J. -122.1 37.7 19km 12 21 50 LosGatos CA OakridgeO Baldridge -122.1 37.2 76km 12 21 50 Nine-Brick OBS W Cheng -122.0 37.3 62km 12 21 51 455 CBA Concord -122.0 38.0 9km 12 21 51 Walnut Creek CA Shelton~Robert -122.0 37.9 2km 12 21 51 Santa Cruz CA -122.0 37.0 102km 12 21 51 Sunnyvale CA Sielski~Hank -122.0 37.3 62km 12 21 51 Winters CA -122.0 38.5 65km 12 21 52 SntaCruz CA Jon Merryman -122.0 37.0 103km 12 21 53 Dunnigan, CA -121.9 38.9 101km 12 21 54 SAN JOSE CA JAMES H. VAN NULAND -121.9 37.3 72km 12 21 54 APTOS CA R.NoltheniusCabrill -121.9 37.0 101km 12 21 54 SantaCrz CA Chris Angelos -121.9 36.8 120km 12 21 55 Monterey CA Paul Damphousse -121.9 36.6 144km 12 21 55 PLEASANTON CA MORGAN~WALTER V -121.9 37.7 26km 12 21 56 G61 Pleasanton -121.8 37.7 31km 12 21 57 ANTIOCH CA WESTFALL~JOHN E -121.8 38.0 1km 12 21 58 San Jose, CA - Rudy Norvelle -121.8 37.2 79km 12 21 58 Marina CA John Mulshine -121.8 36.7 139km 12 21 59 San Jose CA Dr Backus -121.8 37.3 68km 12 21 59 Livermor CA Jim Ferreira -121.8 37.7 31km 12 21 59 DAVIS CA ERICKSON~PROF. -121.8 38.5 62km 12 22 0 LIVERMORE CA MORANA~ED -121.7 37.7 27km 12 22 1 Livermore Carlos Avalle -121.7 37.7 27km 12 22 1 MORGAN HILL CA Breit~Derek C. -121.7 37.1 93km 12 22 1 662 Lick Observatory, Mount Ham -121.6 37.3 69km 12 22 3 Salinas, CA -121.6 36.7 140km 12 22 3 G65 Vulcan North, Lick Observat -121.6 37.3 69km 12 22 3 Fremont Pk Obs CA - Dave Samuels -121.5 36.8 135km 12 22 8 Sacrmnto CA Manuel Tsihlas -121.5 38.6 58km 12 22 9 Hollistr CA David Baumgartner -121.4 36.9 127km 12 22 11 Sacramen CA Jim Varney, S.V.A.S -121.4 38.5 46km 12 22 11 Sacramento CA Lerner~Noel -121.4 38.6 59km 12 22 12 Stockton CA Jeff Baldwin -121.3 38.0 9km 12 22 15 WILTON CA PULLEN~CHUCK -121.3 38.4 35km 12 22 16 Manteca CA C.Avalle &Lambertso -121.2 37.8 29km 12 22 16 Rocklin CA SierraCol.DaveKenyo -121.2 38.8 77km 12 22 17 Manteca CA Fred Schumacher -121.2 37.8 29km 12 22 17 G66 Lake Forest Observatory, Fo -121.1 38.7 66km 12 22 22 Grass Valley CA Dunckel~Peter B -121.1 39.1 110km 12 22 22 NevadaCy CA Wayne Watson -121.0 39.3 123km 12 22 24 CameronP CA Charlie Coburn -121.0 38.7 59km 12 22 25 Colfax CA Don Machholz -120.9 39.1 101km 12 22 27 Fiddletown CA -120.8 38.5 36km 12 22 30 G64 Blue Canyon Observatory -120.7 39.3 117km 12 22 35 Merced CA - Mark Wedel -120.5 37.3 95km 12 22 42 Robert Shelton,Sonora, Californ -120.3 38.0 30km 12 22 49 Loyalton CA John Westfall -120.2 39.6 144km 12 22 53 Madera CA Ken Simmons -120.0 36.9 147km 12 23 0 Reno NV Arthur Johnson -119.8 39.5 123km 12 23 8 Carson City, NV - J Davis OBS 16 -119.8 39.2 85km 12 23 9 Carson City NV -119.8 39.2 83km 12 23 10 Dayton CA Red Sumner -119.6 39.2 85km 12 23 18 Dayton, NV Red Sumner 20c -119.6 39.3 89km 12 23 19 TuolemneMeadows, Dave McKulle -119.4 37.9 65km 12 23 27 Bishop CA Stoffaire~Jim -118.3 37.4 143km 12 24 11 SALT LAKE CITYUT WIGGINS~PATRICK -112.3 40.6 17km 12 30 13 718 University of Utah, Tooele -112.3 40.6 18km 12 30 13 Ogden UT J. R. McCormick -112.1 41.1 22km 12 30 26 Riverton, UT - Steve Wasserbaech -112.0 40.5 43km 12 30 35 Ogden UT -112.0 41.2 25km 12 30 37 Uinta UT Keith Finlayson -111.9 41.1 14km 12 30 42 sSltLkCy UT Ader, John -111.8 40.6 42km 12 30 48 SaltLkCi UT Keith Finlayson -111.8 40.7 29km 12 30 50 Lindon UT UVAA Richard Tenney -111.7 40.3 70km 12 30 57 Orem UT Mark Dakins -111.7 40.3 76km 12 30 59 Provo UT -111.7 40.2 82km 12 31 2 PROVO UT UTAH-BYU 24I -111.7 40.2 81km 12 31 2 |
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This site was last updated 04/20/09
© Copyright, Derek C Breit. All rights reserved.
