Grazing Occultation of 608DF3 Magnitude 6.0 [Red = 5.8] s Date: 2015 Oct 02 1h 14m, to 2015 Oct 02 1h 33m 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 18 0 0 60 38 1 1 14 15 43 160 1.06 168.4 179.89 -4.64S 18 30 0 60 44 2 1 14 52 43 161 1.06 168.5 179.94 -4.59S 19 0 0 60 49 57 1 15 28 43 161 1.06 168.5 179.99 -4.54S 19 30 0 60 55 45 1 16 4 43 162 1.06 168.6 180.03 -4.50S 20 0 0 61 1 27 1 16 41 43 163 1.06 168.6 180.08 -4.45S 20 30 0 61 7 3 1 17 17 43 164 1.06 168.7 180.13 -4.40S 21 0 0 61 12 33 1 17 52 43 165 1.06 168.7 180.18 -4.35S 21 30 0 61 17 57 1 18 28 43 166 1.06 168.8 180.22 -4.31S 22 0 0 61 23 15 1 19 4 43 167 1.06 168.8 180.27 -4.26S 22 30 0 61 28 26 1 19 39 43 168 1.06 168.8 180.32 -4.21S 23 0 0 61 33 32 1 20 14 43 168 1.06 168.9 180.37 -4.16S 23 30 0 61 38 32 1 20 49 43 169 1.06 168.9 180.42 -4.12S 24 0 0 61 43 26 1 21 24 43 170 1.06 169.0 180.46 -4.07S 24 30 0 61 48 14 1 21 58 43 171 1.06 169.0 180.51 -4.02S 25 0 0 61 52 57 1 22 33 43 172 1.06 169.1 180.56 -3.97S 25 30 0 61 57 34 1 23 7 43 173 1.06 169.1 180.61 -3.92S 26 0 0 62 2 4 1 23 41 43 174 1.06 169.2 180.65 -3.88S 26 30 0 62 6 30 1 24 15 43 175 1.07 169.2 180.70 -3.83S 27 0 0 62 10 49 1 24 48 43 175 1.07 169.3 180.75 -3.78S 27 30 0 62 15 3 1 25 22 43 176 1.07 169.3 180.80 -3.73S 28 0 0 62 19 11 1 25 55 43 177 1.07 169.4 180.84 -3.69S 28 30 0 62 23 14 1 26 28 43 178 1.07 169.4 180.89 -3.64S 29 0 0 62 27 11 1 27 1 43 179 1.08 169.5 180.94 -3.59S 29 30 0 62 31 3 1 27 34 43 180 1.08 169.5 180.99 -3.54S 30 0 0 62 34 49 1 28 7 43 180 1.08 169.6 181.03 -3.50S 30 30 0 62 38 30 1 28 39 43 181 1.08 169.6 181.08 -3.45S 31 0 0 62 42 6 1 29 12 43 182 1.09 169.7 181.13 -3.40S 31 30 0 62 45 36 1 29 44 43 183 1.09 169.7 181.18 -3.36S 32 0 0 62 49 1 1 30 16 42 184 1.09 169.8 181.22 -3.31S 32 30 0 62 52 20 1 30 48 42 185 1.09 169.8 181.27 -3.26S 33 0 0 62 55 34 1 31 19 42 185 1.10 169.9 181.32 -3.21S 33 30 0 62 58 43 1 31 51 42 186 1.10 169.9 181.37 -3.17S 34 0 0 63 1 47 1 32 22 42 187 1.10 169.9 181.41 -3.12S 34 30 0 63 4 46 1 32 53 42 188 1.11 170.0 181.46 -3.07S 35 0 0 63 7 39 1 33 24 42 189 1.11 170.0 181.50 -3.03S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. 608 is variable: 608 = NSV 1466, 6.00 to 6.05, V 608 is double: Graze prediction is based on the mean position of AB 6.11 8.77 3.60" 222.2 (STF 495) Graze path of A 0.48 km south, and 0.5 secs later compared to prediction Graze path of B 5.56 km north, and 5.7 secs earlier compared to prediction AB 6.11 8.77 3.60" 222.2 (STF 495) Graze path of B 6.04 km north, and 6.2 secs earlier compared to A Librations Long +6.68 Lat +6.76 P +181.52 D +6.94 Illumination of moon 79%- Elongation of Moon 125 Vertical Profile Scale 2.70 km/arcsec at mean distance of moon Horizontal Scale Factor 1.67 deg/min At longitude 26.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -7.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -5.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -3.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -1.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 0.2 2.7 4.1 4.9 5.3 5.6 5.8 6.0 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 04077+1510STF 495 1830 2011 63 216 222 3.6 3.6 6.11 8.77 F3V +132-019 +127-023 +14 657 N D 040741.98+150946.1 ------------------------------------------------ Interferometric catalogue entries 040741.91+150946.2 Hyades vB 11 STF 495A HD 26015A HIP 19261 04077+1510 N Date PA Sep M1 M2 1976.039 . . < 0.033 . . . . . 552 20 3.8 1 Hrt1984 Sc 1979.5465 V283.3 . 1.6408 0.0050 . . 1.65 0.72 547 24 . 1 Rad1982a O 1988.165 . . < 0.038 . . . . . 549 22 3.6 1 McA1993 Sc 1991.8967 . . < 0.030 . . . . . 549 22 3.8 1 Msn1993a Sc 1993.908 . . < 0.05 . . . >3.0 . 2200 400 5.1 1 Pat1998 Si 2005.8685 . . < 0.036 . . . . . 550 24 3.8 1 Msn2009 Su 040741.91+150946.2 ADS 2999 STF 495AB HD 26015 HIP 19261 04077+1510 N Date PA Sep M1 M2 1991.25 222.2 . 3.753 . 6.157 0.003 9.114 0.047 511 222 0.3 1 HIP1997a Hh 1991.25 . . . . 6.097 0.006 8.775 0.071 530 100 1.4 1 TYC1997 Ht 1991.25 . . . . 6.514 0.005 9.505 0.079 430 90 1.4 1 TYC1997 Ht 1991.47 222.0 . 3.74 . 6.112 0.011 8.775 0.071 530 100 1.4 1 TYC2002 Ht 1991.47 . . . . 6.520 0.015 9.505 0.079 430 90 1.4 1 TYC2002 Ht 2000.1356 223.0 . 3.69 . . . . . 0.7 3 WSI2001b Su 2002.960 220.9 . 3.74 . . . . . 550 24 0.7 1 WSI2004a Su 2005.169 222.4 0.3 3.688 0.018 . . . . 644 70 1.0 1 Sca2007a S 040741.98+150946.0 Hyades vB 12 STF 495B HD 26015B TYC 1250 00074 1 04077+1510 N Date PA Sep M1 M2 1991.8967 . . < 0.030 . . . . . 538 76 3.8 1 Msn1993a Sc ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period NSV 1466 6.00 6.05 V ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Ähtäri 24.1 62.6 86km 1 21 30 Artjärvi Tähtikallio 26.2 60.7 142km 1 23 55 Hämeenlinna 24.4 61.0 85km 1 21 53 Hamina 27.2 60.6 175km 1 25 2 Hartola 26.0 61.6 49km 1 23 42 Helsinki Kaivopuisto 25.0 60.2 183km 1 22 30 Imatra 28.8 61.2 129km 1 26 47 Järvenpää 25.1 60.5 150km 1 22 39 Joensuu Jakokoski 30.0 62.7 16km 1 28 6 Jyväskylä Rihlaperä 25.7 62.2 26km 1 23 21 Kajaani Lehtikangas 27.7 64.2 205km 1 25 38 Kangasala 24.0 61.4 34km 1 21 24 Kemiö 22.8 60.1 145km 1 19 58 Kokkola 23.1 63.8 234km 1 20 23 Kuhmo 29.5 64.1 172km 1 27 35 Kuopio Huuhanmäki 27.6 62.9 65km 1 25 32 Lahti Pirttiharju 25.6 61.0 105km 1 23 13 Lappeenranta 28.2 61.1 138km 1 26 8 Loviisa 26.2 60.5 172km 1 23 56 Maarianhamina 19.9 60.1 94km 1 16 37 Merikarvia 21.5 61.9 58km 1 18 28 Mikkeli Kiiskinmäki 27.2 61.7 57km 1 25 4 Nilsiä 28.1 63.2 93km 1 26 1 Nurmes 29.1 63.5 114km 1 27 11 Pirkkola 24.9 60.2 174km 1 22 26 Pori 21.8 61.5 14km 1 18 49 Porvoo 25.7 60.4 171km 1 23 20 Rautalampi 26.7 62.6 46km 1 24 28 Savonlinna 28.9 61.9 61km 1 26 53 Tampere Kauppi 23.8 61.5 19km 1 21 9 Turku Isoheikkilä 22.2 60.5 103km 1 19 20 Ulvila Vesitorni 21.9 61.4 6km 1 18 58 Vaasa Sundom 21.6 63.0 178km 1 18 34 Varkaus 27.9 62.3 1km 1 25 47 Grazing Occultation of 608DF3 Magnitude 6.0 [Red = 5.8] s Date: 2015 Oct 02 1h 14m, to 2015 Oct 02 1h 33m 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 18 0 0 60 38 1 1 14 15 43 160 1.06 168.4 179.89 -4.64S 18 30 0 60 44 2 1 14 52 43 161 1.06 168.5 179.94 -4.59S 19 0 0 60 49 57 1 15 28 43 161 1.06 168.5 179.99 -4.54S 19 30 0 60 55 45 1 16 4 43 162 1.06 168.6 180.03 -4.50S 20 0 0 61 1 27 1 16 41 43 163 1.06 168.6 180.08 -4.45S 20 30 0 61 7 3 1 17 17 43 164 1.06 168.7 180.13 -4.40S 21 0 0 61 12 33 1 17 52 43 165 1.06 168.7 180.18 -4.35S 21 30 0 61 17 57 1 18 28 43 166 1.06 168.8 180.22 -4.31S 22 0 0 61 23 15 1 19 4 43 167 1.06 168.8 180.27 -4.26S 22 30 0 61 28 26 1 19 39 43 168 1.06 168.8 180.32 -4.21S 23 0 0 61 33 32 1 20 14 43 168 1.06 168.9 180.37 -4.16S 23 30 0 61 38 32 1 20 49 43 169 1.06 168.9 180.42 -4.12S 24 0 0 61 43 26 1 21 24 43 170 1.06 169.0 180.46 -4.07S 24 30 0 61 48 14 1 21 58 43 171 1.06 169.0 180.51 -4.02S 25 0 0 61 52 57 1 22 33 43 172 1.06 169.1 180.56 -3.97S 25 30 0 61 57 34 1 23 7 43 173 1.06 169.1 180.61 -3.92S 26 0 0 62 2 4 1 23 41 43 174 1.06 169.2 180.65 -3.88S 26 30 0 62 6 30 1 24 15 43 175 1.07 169.2 180.70 -3.83S 27 0 0 62 10 49 1 24 48 43 175 1.07 169.3 180.75 -3.78S 27 30 0 62 15 3 1 25 22 43 176 1.07 169.3 180.80 -3.73S 28 0 0 62 19 11 1 25 55 43 177 1.07 169.4 180.84 -3.69S 28 30 0 62 23 14 1 26 28 43 178 1.07 169.4 180.89 -3.64S 29 0 0 62 27 11 1 27 1 43 179 1.08 169.5 180.94 -3.59S 29 30 0 62 31 3 1 27 34 43 180 1.08 169.5 180.99 -3.54S 30 0 0 62 34 49 1 28 7 43 180 1.08 169.6 181.03 -3.50S 30 30 0 62 38 30 1 28 39 43 181 1.08 169.6 181.08 -3.45S 31 0 0 62 42 6 1 29 12 43 182 1.09 169.7 181.13 -3.40S 31 30 0 62 45 36 1 29 44 43 183 1.09 169.7 181.18 -3.36S 32 0 0 62 49 1 1 30 16 42 184 1.09 169.8 181.22 -3.31S 32 30 0 62 52 20 1 30 48 42 185 1.09 169.8 181.27 -3.26S 33 0 0 62 55 34 1 31 19 42 185 1.10 169.9 181.32 -3.21S 33 30 0 62 58 43 1 31 51 42 186 1.10 169.9 181.37 -3.17S 34 0 0 63 1 47 1 32 22 42 187 1.10 169.9 181.41 -3.12S 34 30 0 63 4 46 1 32 53 42 188 1.11 170.0 181.46 -3.07S 35 0 0 63 7 39 1 33 24 42 189 1.11 170.0 181.50 -3.03S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. 608 is variable: 608 = NSV 1466, 6.00 to 6.05, V 608 is double: Graze prediction is based on the mean position of AB 6.11 8.77 3.60" 222.2 (STF 495) Graze path of A 0.48 km south, and 0.5 secs later compared to prediction Graze path of B 5.56 km north, and 5.7 secs earlier compared to prediction AB 6.11 8.77 3.60" 222.2 (STF 495) Graze path of B 6.04 km north, and 6.2 secs earlier compared to A Librations Long +6.68 Lat +6.76 P +181.52 D +6.94 Illumination of moon 79%- Elongation of Moon 125 Vertical Profile Scale 2.70 km/arcsec at mean distance of moon Horizontal Scale Factor 1.67 deg/min At longitude 26.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -7.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -5.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -3.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -1.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 0.2 2.7 4.1 4.9 5.3 5.6 5.8 6.0 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 04077+1510STF 495 1830 2011 63 216 222 3.6 3.6 6.11 8.77 F3V +132-019 +127-023 +14 657 N D 040741.98+150946.1 ------------------------------------------------ Interferometric catalogue entries 040741.91+150946.2 Hyades vB 11 STF 495A HD 26015A HIP 19261 04077+1510 N Date PA Sep M1 M2 1976.039 . . < 0.033 . . . . . 552 20 3.8 1 Hrt1984 Sc 1979.5465 V283.3 . 1.6408 0.0050 . . 1.65 0.72 547 24 . 1 Rad1982a O 1988.165 . . < 0.038 . . . . . 549 22 3.6 1 McA1993 Sc 1991.8967 . . < 0.030 . . . . . 549 22 3.8 1 Msn1993a Sc 1993.908 . . < 0.05 . . . >3.0 . 2200 400 5.1 1 Pat1998 Si 2005.8685 . . < 0.036 . . . . . 550 24 3.8 1 Msn2009 Su 040741.91+150946.2 ADS 2999 STF 495AB HD 26015 HIP 19261 04077+1510 N Date PA Sep M1 M2 1991.25 222.2 . 3.753 . 6.157 0.003 9.114 0.047 511 222 0.3 1 HIP1997a Hh 1991.25 . . . . 6.097 0.006 8.775 0.071 530 100 1.4 1 TYC1997 Ht 1991.25 . . . . 6.514 0.005 9.505 0.079 430 90 1.4 1 TYC1997 Ht 1991.47 222.0 . 3.74 . 6.112 0.011 8.775 0.071 530 100 1.4 1 TYC2002 Ht 1991.47 . . . . 6.520 0.015 9.505 0.079 430 90 1.4 1 TYC2002 Ht 2000.1356 223.0 . 3.69 . . . . . 0.7 3 WSI2001b Su 2002.960 220.9 . 3.74 . . . . . 550 24 0.7 1 WSI2004a Su 2005.169 222.4 0.3 3.688 0.018 . . . . 644 70 1.0 1 Sca2007a S 040741.98+150946.0 Hyades vB 12 STF 495B HD 26015B TYC 1250 00074 1 04077+1510 N Date PA Sep M1 M2 1991.8967 . . < 0.030 . . . . . 538 76 3.8 1 Msn1993a Sc ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period NSV 1466 6.00 6.05 V ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Ähtäri 24.1 62.6 86km 1 21 30 Artjärvi Tähtikallio 26.2 60.7 142km 1 23 55 Forssa 23.6 60.8 91km 1 20 58 Hämeenlinna 24.4 61.0 85km 1 21 53 Hamina 27.2 60.6 175km 1 25 2 Hartola 26.0 61.6 49km 1 23 42 Helsinki Kaivopuisto 25.0 60.2 183km 1 22 30 Imatra 28.8 61.2 129km 1 26 47 Järvenpää 25.1 60.5 150km 1 22 39 Joensuu Jakokoski 30.0 62.7 16km 1 28 6 Jyväskylä Rihlaperä 25.7 62.2 26km 1 23 21 Kajaani Lehtikangas 27.7 64.2 205km 1 25 38 Kangasala 24.0 61.4 34km 1 21 24 Kemiö 22.8 60.1 145km 1 19 58 Kokkola 23.1 63.8 234km 1 20 23 Kuhmo 29.5 64.1 172km 1 27 35 Kuopio Huuhanmäki 27.6 62.9 65km 1 25 32 Lahti Pirttiharju 25.6 61.0 105km 1 23 13 Lappeenranta 28.2 61.1 138km 1 26 8 Loviisa 26.2 60.5 172km 1 23 56 Maarianhamina 19.9 60.1 94km 1 16 37 Merikarvia 21.5 61.9 58km 1 18 28 Mikkeli Kiiskinmäki 27.2 61.7 57km 1 25 4 Nilsiä 28.1 63.2 93km 1 26 1 Nurmes 29.1 63.5 114km 1 27 11 Pirkkola 24.9 60.2 174km 1 22 26 Pori 21.8 61.5 14km 1 18 49 Porvoo 25.7 60.4 171km 1 23 20 Rautalampi 26.7 62.6 46km 1 24 28 Salo 23.1 60.4 126km 1 20 23 Savonlinna 28.9 61.9 61km 1 26 53 Tampere Kauppi 23.8 61.5 19km 1 21 9 Turku Isoheikkilä 22.2 60.5 103km 1 19 20 Ulvila Vesitorni 21.9 61.4 6km 1 18 58 Vaasa Sundom 21.6 63.0 178km 1 18 34 Varkaus 27.9 62.3 1km 1 25 47