Grazing Occultation of 692SK5 Magnitude 0.9 [Red = 0.1] v R692 = Aldebaran = alpha Tauri Date: 2015 Jun 15 11h 53m, to 2015 Jun 15 12h 3m Nominal site altitude 100m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o 20 0 0 65 25 41 11 53 21 46 37 220 1.35 174.9 183.74 22.97S 20 30 0 65 24 11 11 53 47 46 36 221 1.36 175.0 183.78 23.01S 21 0 0 65 22 35 11 54 12 46 36 222 1.36 175.0 183.82 23.05S 21 30 0 65 20 56 11 54 37 46 36 222 1.37 175.0 183.86 23.09S 22 0 0 65 19 12 11 55 2 46 36 223 1.38 175.1 183.90 23.13S 22 30 0 65 17 24 11 55 27 46 36 224 1.39 175.1 183.94 23.17S 23 0 0 65 15 31 11 55 52 46 36 224 1.39 175.1 183.98 23.21S 23 30 0 65 13 34 11 56 17 46 36 225 1.40 175.2 184.02 23.25S 24 0 0 65 11 33 11 56 42 45 35 226 1.41 175.2 184.05 23.28S 24 30 0 65 9 28 11 57 7 45 35 226 1.42 175.3 184.09 23.32S 25 0 0 65 7 18 11 57 31 45 35 227 1.43 175.3 184.13 23.36S 25 30 0 65 5 3 11 57 56 45 35 228 1.43 175.3 184.17 23.40S 26 0 0 65 2 45 11 58 20 45 35 228 1.44 175.4 184.21 23.44S 26 30 0 65 0 22 11 58 45 45 35 229 1.45 175.4 184.25 23.48S 27 0 0 64 57 55 11 59 10 45 34 230 1.46 175.5 184.28 23.51S 27 30 0 64 55 23 11 59 34 45 34 230 1.47 175.5 184.32 23.55S 28 0 0 64 52 47 11 59 58 45 34 231 1.48 175.5 184.36 23.59S 28 30 0 64 50 6 12 0 23 44 34 232 1.49 175.6 184.40 23.63S 29 0 0 64 47 22 12 0 47 44 34 233 1.50 175.6 184.43 23.66S 29 30 0 64 44 32 12 1 11 44 34 233 1.51 175.6 184.47 23.70S 30 0 0 64 41 39 12 1 35 44 33 234 1.52 175.7 184.51 23.74S 30 30 0 64 38 41 12 1 59 44 33 235 1.53 175.7 184.55 23.78S 31 0 0 64 35 38 12 2 23 44 33 235 1.54 175.8 184.58 23.81S 31 30 0 64 32 31 12 2 47 44 33 236 1.55 175.8 184.62 23.85S 32 0 0 64 29 20 12 3 11 44 33 237 1.56 175.8 184.66 23.89S 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 55 meters [CHARM/CADARS, 83 measures] 692 is variable: 692 = alf Tau, 0.75 to 0.95, V, Type LB: 692 is multiple: AE 0.9 12.0 31" 331.0 (BU 1031) Graze path of E 79.67 km south, and 26.4 secs earlier compared to A AB 0.9 13.6 32" 113.3 (BU 550) Graze path of B 41.79 km north, and 57.8 secs later compared to A AC 0.9 11.3 130" 31.9 (STFB 2) Graze path of C 295.44 km south, and 160.0 secs later compared to A AF 0.9 13.6 308" 121.7 (BU 1031) Graze path of F 514.87 km north, and 511.9 secs later compared to A Librations Long +4.06 Lat +6.58 P +184.71 D +6.53 Illumination of moon 2%- Elongation of Moon 15 Vertical Profile Scale 2.78 km/arcsec at mean distance of moon Horizontal Scale Factor 1.76 deg/min At longitude 26.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 19.4 1.0 2.3 3.1 3.5 3.8 4.0 4.1 21.4 1.0 2.3 3.1 3.5 3.8 4.0 4.1 23.4 1.0 2.3 3.1 3.5 3.8 4.0 4.1 25.4 1.0 2.3 3.1 3.5 3.8 4.0 4.1 27.4 1.0 2.3 3.1 3.5 3.8 4.0 4.1 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 04359+1631BU 550AB 1877 2007 19 109 113 30.5 31.6 0.85 13.6 K5III +065-189 +16 629 N D 043555.24+163033.5 04359+1631STFB 2AC 1781 2011 36 37 32 87.8 129.5 0.85 11.3 +065-189 +093-028 NLD 043555.24+163033.5 04359+1631BU 1031AE 1899 1899 1 331 331 31.0 31.0 0.85 12.0 +065-189 N 043555.24+163033.5 04359+1631BU 1031AF 1908 1955 2 124 123 271.4 287.4 0.85 13.6 +065-189 N 043555.24+163033.5 04359+1631BU 1031CD 1888 1962 14 281 271 2.3 1.3 11.3 13.7 +093-028 N 043600.09+163226.8 ------------------------------------------------ Interferometric catalogue entries 043555.20+163035.1 ADS 3321 BU 550AB BD+16 629 HIP 21421 04359+1631 N Date PA Sep M1 M2 1991.25 . . < 0.1 . 1.00 . . . 511 222 0.3 1 HIP1997e Hh 043600.08+163226.7 Melotte 25 184 . BD+16 630 4UC 533-009334 04360+1633 Date PA Sep M1 M2 2004.136 . . < 0.038 . . . . . 1265 250 8.2 1 Gue2005b A ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period alf Tau LB: 0.75 0.95 V ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Joensuu Jakokoski 30.0 62.7 213km 12 1 35 Kajaani Lehtikangas 27.7 64.2 75km 11 59 45 Kemijärvi 27.4 66.7 194km 11 59 31 Kuhmo 29.5 64.1 67km 12 1 11 Kuopio Huuhanmäki 27.6 62.9 221km 11 59 41 Kuusamo 29.2 66.0 129km 12 0 56 Meltaus 25.4 66.9 198km 11 57 49 Nilsiä 28.1 63.2 181km 12 0 2 Nurmes 29.1 63.5 134km 12 0 54 Oulu Puolivälikangas 25.5 65.0 5km 11 57 55 Pello 24.0 66.8 173km 11 56 40 Posio 28.2 66.1 135km 12 0 6 Pudasjärvi 27.0 65.4 43km 11 59 9 Puolanka 27.7 64.9 5km 11 59 42 Raahe 24.5 64.7 52km 11 57 5 Ranua 26.5 65.9 101km 11 58 45 Rovaniemi 25.7 66.5 155km 11 58 7 Salla 28.7 66.8 217km 12 0 30 Tervola 24.8 66.1 103km 11 57 21 Tornio 24.1 65.8 73km 11 56 49 Grazing Occultation of 692SK5 Magnitude 0.9 [Red = 0.1] v R692 = Aldebaran = alpha Tauri Date: 2015 Jun 15 11h 53m, to 2015 Jun 15 12h 4m Nominal site altitude 100m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o 20 0 0 65 25 41 11 53 21 46 37 220 1.35 174.9 183.74 22.97S 20 30 0 65 24 11 11 53 47 46 36 221 1.36 175.0 183.78 23.01S 21 0 0 65 22 35 11 54 12 46 36 222 1.36 175.0 183.82 23.05S 21 30 0 65 20 56 11 54 37 46 36 222 1.37 175.0 183.86 23.09S 22 0 0 65 19 12 11 55 2 46 36 223 1.38 175.1 183.90 23.13S 22 30 0 65 17 24 11 55 27 46 36 224 1.39 175.1 183.94 23.17S 23 0 0 65 15 31 11 55 52 46 36 224 1.39 175.1 183.98 23.21S 23 30 0 65 13 34 11 56 17 46 36 225 1.40 175.2 184.02 23.25S 24 0 0 65 11 33 11 56 42 45 35 226 1.41 175.2 184.05 23.28S 24 30 0 65 9 28 11 57 7 45 35 226 1.42 175.3 184.09 23.32S 25 0 0 65 7 18 11 57 31 45 35 227 1.43 175.3 184.13 23.36S 25 30 0 65 5 3 11 57 56 45 35 228 1.43 175.3 184.17 23.40S 26 0 0 65 2 45 11 58 20 45 35 228 1.44 175.4 184.21 23.44S 26 30 0 65 0 22 11 58 45 45 35 229 1.45 175.4 184.25 23.48S 27 0 0 64 57 55 11 59 10 45 34 230 1.46 175.5 184.28 23.51S 27 30 0 64 55 23 11 59 34 45 34 230 1.47 175.5 184.32 23.55S 28 0 0 64 52 47 11 59 58 45 34 231 1.48 175.5 184.36 23.59S 28 30 0 64 50 6 12 0 23 44 34 232 1.49 175.6 184.40 23.63S 29 0 0 64 47 22 12 0 47 44 34 233 1.50 175.6 184.43 23.66S 29 30 0 64 44 32 12 1 11 44 34 233 1.51 175.6 184.47 23.70S 30 0 0 64 41 39 12 1 35 44 33 234 1.52 175.7 184.51 23.74S 30 30 0 64 38 41 12 1 59 44 33 235 1.53 175.7 184.55 23.78S 31 0 0 64 35 38 12 2 23 44 33 235 1.54 175.8 184.58 23.81S 31 30 0 64 32 31 12 2 47 44 33 236 1.55 175.8 184.62 23.85S 32 0 0 64 29 20 12 3 11 44 33 237 1.56 175.8 184.66 23.89S 32 30 0 64 26 4 12 3 35 43 32 237 1.58 175.9 184.70 23.93S 33 0 0 64 22 44 12 3 58 43 32 238 1.59 175.9 184.73 23.96S 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 55 meters [CHARM/CADARS, 83 measures] 692 is variable: 692 = alf Tau, 0.75 to 0.95, V, Type LB: 692 is multiple: AE 0.9 12.0 31" 331.0 (BU 1031) Graze path of E 79.64 km south, and 26.4 secs earlier compared to A AB 0.9 13.6 32" 113.3 (BU 550) Graze path of B 41.74 km north, and 57.7 secs later compared to A AC 0.9 11.3 130" 31.9 (STFB 2) Graze path of C 295.58 km south, and 159.7 secs later compared to A AF 0.9 13.6 308" 121.7 (BU 1031) Graze path of F 514.40 km north, and 511.5 secs later compared to A Librations Long +4.06 Lat +6.58 P +184.75 D +6.52 Illumination of moon 2%- Elongation of Moon 15 Vertical Profile Scale 2.78 km/arcsec at mean distance of moon Horizontal Scale Factor 1.76 deg/min At longitude 26.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 19.5 1.0 2.3 3.1 3.5 3.8 4.0 4.1 21.5 1.0 2.3 3.1 3.5 3.8 4.0 4.1 23.5 1.0 2.3 3.1 3.5 3.8 4.0 4.1 25.5 1.0 2.3 3.1 3.5 3.8 4.0 4.1 27.5 1.0 2.3 3.1 3.5 3.8 4.0 4.1 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 04359+1631BU 550AB 1877 2007 19 109 113 30.5 31.6 0.85 13.6 K5III +065-189 +16 629 N D 043555.24+163033.5 04359+1631STFB 2AC 1781 2011 36 37 32 87.8 129.5 0.85 11.3 +065-189 +093-028 NLD 043555.24+163033.5 04359+1631BU 1031AE 1899 1899 1 331 331 31.0 31.0 0.85 12.0 +065-189 N 043555.24+163033.5 04359+1631BU 1031AF 1908 1955 2 124 123 271.4 287.4 0.85 13.6 +065-189 N 043555.24+163033.5 04359+1631BU 1031CD 1888 1962 14 281 271 2.3 1.3 11.3 13.7 +093-028 N 043600.09+163226.8 ------------------------------------------------ Interferometric catalogue entries 043555.20+163035.1 ADS 3321 BU 550AB BD+16 629 HIP 21421 04359+1631 N Date PA Sep M1 M2 1991.25 . . < 0.1 . 1.00 . . . 511 222 0.3 1 HIP1997e Hh 043600.08+163226.7 Melotte 25 184 . BD+16 630 4UC 533-009334 04360+1633 Date PA Sep M1 M2 2004.136 . . < 0.038 . . . . . 1265 250 8.2 1 Gue2005b A ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period alf Tau LB: 0.75 0.95 V ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Joensuu Jakokoski 30.0 62.7 213km 12 1 35 Kajaani Lehtikangas 27.7 64.2 75km 11 59 45 Kemijärvi 27.4 66.7 194km 11 59 31 Kokkola 23.1 63.8 156km 11 55 58 Kuhmo 29.5 64.1 67km 12 1 11 Kuopio Huuhanmäki 27.6 62.9 221km 11 59 41 Kuusamo 29.2 66.0 129km 12 0 56 Meltaus 25.4 66.9 198km 11 57 49 Nilsiä 28.1 63.2 181km 12 0 2 Nurmes 29.1 63.5 134km 12 0 54 Oulu Puolivälikangas 25.5 65.0 5km 11 57 55 Pello 24.0 66.8 173km 11 56 40 Posio 28.2 66.1 135km 12 0 6 Pudasjärvi 27.0 65.4 43km 11 59 9 Puolanka 27.7 64.9 5km 11 59 42 Raahe 24.5 64.7 52km 11 57 5 Ranua 26.5 65.9 101km 11 58 45 Rovaniemi 25.7 66.5 155km 11 58 7 Salla 28.7 66.8 217km 12 0 30 Tervola 24.8 66.1 103km 11 57 21 Tornio 24.1 65.8 73km 11 56 49