Grazing Occultation of 842cF5 Magnitude 6.5 [Red = 6.3] Date: 2022 Dec 08 21h 27m, to 2022 Dec 08 21h 53m 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 10 0 0 63 51 56.6 21 27 16 46 132 0.97 169.1 170.19 10.31S 10 15 0 63 56 17.7 21 27 35 46 132 0.97 169.1 170.23 10.35S 10 30 0 64 0 36.2 21 27 54 46 133 0.97 169.2 170.26 10.38S 10 45 0 64 4 52.1 21 28 13 46 133 0.96 169.2 170.30 10.42S 11 0 0 64 9 5.5 21 28 32 46 134 0.96 169.2 170.33 10.45S 11 15 0 64 13 16.5 21 28 50 46 134 0.96 169.3 170.37 10.49S 11 30 0 64 17 24.9 21 29 9 46 135 0.96 169.3 170.40 10.52S 11 45 0 64 21 30.8 21 29 27 46 135 0.96 169.3 170.44 10.55S 12 0 0 64 25 34.3 21 29 46 46 136 0.95 169.4 170.47 10.59S 12 15 0 64 29 35.3 21 30 4 46 136 0.95 169.4 170.51 10.62S 12 30 0 64 33 33.9 21 30 22 46 137 0.95 169.4 170.54 10.66S 12 45 0 64 37 30.1 21 30 40 46 137 0.95 169.5 170.58 10.69S 13 0 0 64 41 23.9 21 30 59 47 137 0.95 169.5 170.61 10.73S 13 15 0 64 45 15.3 21 31 17 47 138 0.95 169.5 170.64 10.76S 13 30 0 64 49 4.4 21 31 35 47 138 0.95 169.6 170.68 10.80S 13 45 0 64 52 51.1 21 31 53 47 139 0.94 169.6 170.71 10.83S 14 0 0 64 56 35.4 21 32 11 47 139 0.94 169.6 170.75 10.87S 14 15 0 65 0 17.5 21 32 28 47 140 0.94 169.7 170.78 10.90S 14 30 0 65 3 57.3 21 32 46 47 140 0.94 169.7 170.81 10.94S 14 45 0 65 7 34.8 21 33 4 47 141 0.94 169.8 170.85 10.97S 15 0 0 65 11 10.0 21 33 21 47 141 0.94 169.8 170.88 11.00S 15 15 0 65 14 42.9 21 33 39 47 141 0.94 169.8 170.92 11.04S 15 30 0 65 18 13.7 21 33 57 47 142 0.93 169.9 170.95 11.07S 15 45 0 65 21 42.2 21 34 14 47 142 0.93 169.9 170.98 11.11S 16 0 0 65 25 8.5 21 34 31 47 143 0.93 169.9 171.02 11.14S 16 15 0 65 28 32.6 21 34 49 47 143 0.93 170.0 171.05 11.17S 16 30 0 65 31 54.5 21 35 6 47 144 0.93 170.0 171.08 11.21S 16 45 0 65 35 14.3 21 35 23 47 144 0.93 170.0 171.12 11.24S 17 0 0 65 38 31.9 21 35 40 47 145 0.93 170.1 171.15 11.27S 17 15 0 65 41 47.4 21 35 58 47 145 0.93 170.1 171.19 11.31S 17 30 0 65 45 0.8 21 36 15 47 145 0.93 170.1 171.22 11.34S 17 45 0 65 48 12.1 21 36 32 47 146 0.92 170.2 171.25 11.38S 18 0 0 65 51 21.3 21 36 49 47 146 0.92 170.2 171.29 11.41S 18 15 0 65 54 28.5 21 37 5 47 147 0.92 170.2 171.32 11.44S 18 30 0 65 57 33.5 21 37 22 47 147 0.92 170.3 171.35 11.48S 18 45 0 66 0 36.6 21 37 39 47 148 0.92 170.3 171.38 11.51S 19 0 0 66 3 37.6 21 37 56 47 148 0.92 170.3 171.42 11.54S 19 15 0 66 6 36.5 21 38 12 47 149 0.92 170.4 171.45 11.58S 19 30 0 66 9 33.5 21 38 29 47 149 0.92 170.4 171.48 11.61S 19 45 0 66 12 28.5 21 38 46 47 149 0.92 170.4 171.52 11.64S 20 0 0 66 15 21.5 21 39 2 47 150 0.92 170.5 171.55 11.68S 20 15 0 66 18 12.6 21 39 18 48 150 0.92 170.5 171.58 11.71S 20 30 0 66 21 1.7 21 39 35 48 151 0.91 170.5 171.61 11.74S 20 45 0 66 23 48.8 21 39 51 48 151 0.91 170.6 171.65 11.77S 21 0 0 66 26 34.1 21 40 7 48 152 0.91 170.6 171.68 11.81S 21 15 0 66 29 17.4 21 40 24 48 152 0.91 170.6 171.71 11.84S 21 30 0 66 31 58.8 21 40 40 48 153 0.91 170.6 171.74 11.87S 21 45 0 66 34 38.3 21 40 56 48 153 0.91 170.7 171.78 11.90S 22 0 0 66 37 16.0 21 41 12 48 153 0.91 170.7 171.81 11.94S 22 15 0 66 39 51.8 21 41 28 48 154 0.91 170.7 171.84 11.97S 22 30 0 66 42 25.7 21 41 44 48 154 0.91 170.8 171.87 12.00S 22 45 0 66 44 57.8 21 42 0 48 155 0.91 170.8 171.91 12.03S 23 0 0 66 47 28.1 21 42 16 48 155 0.91 170.8 171.94 12.07S 23 15 0 66 49 56.5 21 42 32 48 156 0.91 170.9 171.97 12.10S 23 30 0 66 52 23.1 21 42 48 48 156 0.91 170.9 172.00 12.13S 23 45 0 66 54 48.0 21 43 3 48 156 0.91 170.9 172.03 12.16S 24 0 0 66 57 11.0 21 43 19 48 157 0.91 171.0 172.07 12.20S 24 15 0 66 59 32.3 21 43 35 48 157 0.91 171.0 172.10 12.23S 24 30 0 67 1 51.8 21 43 50 48 158 0.91 171.0 172.13 12.26S 24 45 0 67 4 9.6 21 44 6 48 158 0.91 171.1 172.16 12.29S 25 0 0 67 6 25.6 21 44 22 48 159 0.91 171.1 172.19 12.32S 25 15 0 67 8 39.9 21 44 37 48 159 0.91 171.1 172.22 12.35S 25 30 0 67 10 52.4 21 44 52 48 159 0.91 171.2 172.26 12.39S 25 45 0 67 13 3.3 21 45 8 48 160 0.90 171.2 172.29 12.42S 26 0 0 67 15 12.4 21 45 23 48 160 0.90 171.2 172.32 12.45S 26 15 0 67 17 19.9 21 45 39 48 161 0.90 171.3 172.35 12.48S 26 30 0 67 19 25.7 21 45 54 48 161 0.90 171.3 172.38 12.51S 26 45 0 67 21 29.8 21 46 9 48 162 0.90 171.3 172.41 12.54S 27 0 0 67 23 32.2 21 46 24 48 162 0.90 171.3 172.44 12.58S 27 15 0 67 25 33.0 21 46 39 48 162 0.90 171.4 172.48 12.61S 27 30 0 67 27 32.2 21 46 55 48 163 0.90 171.4 172.51 12.64S 27 45 0 67 29 29.7 21 47 10 48 163 0.90 171.4 172.54 12.67S 28 0 0 67 31 25.6 21 47 25 48 164 0.90 171.5 172.57 12.70S 28 15 0 67 33 19.8 21 47 40 48 164 0.90 171.5 172.60 12.73S 28 30 0 67 35 12.5 21 47 55 48 165 0.90 171.5 172.63 12.76S 28 45 0 67 37 3.5 21 48 10 48 165 0.90 171.6 172.66 12.79S 29 0 0 67 38 53.0 21 48 24 48 165 0.90 171.6 172.69 12.83S 29 15 0 67 40 40.9 21 48 39 48 166 0.90 171.6 172.72 12.86S 29 30 0 67 42 27.2 21 48 54 48 166 0.90 171.7 172.75 12.89S 29 45 0 67 44 11.9 21 49 9 48 167 0.90 171.7 172.78 12.92S 30 0 0 67 45 55.1 21 49 24 48 167 0.90 171.7 172.82 12.95S 30 15 0 67 47 36.7 21 49 38 48 168 0.90 171.8 172.85 12.98S 30 30 0 67 49 16.8 21 49 53 48 168 0.90 171.8 172.88 13.01S 30 45 0 67 50 55.3 21 50 8 48 168 0.90 171.8 172.91 13.04S 31 0 0 67 52 32.3 21 50 22 48 169 0.90 171.8 172.94 13.07S 31 15 0 67 54 7.8 21 50 37 48 169 0.90 171.9 172.97 13.10S 31 30 0 67 55 41.8 21 50 51 48 170 0.90 171.9 173.00 13.13S 31 45 0 67 57 14.2 21 51 6 48 170 0.90 171.9 173.03 13.16S 32 0 0 67 58 45.2 21 51 20 48 171 0.90 172.0 173.06 13.19S 32 15 0 68 0 14.7 21 51 35 48 171 0.90 172.0 173.09 13.22S 32 30 0 68 1 42.7 21 51 49 48 171 0.90 172.0 173.12 13.25S 32 45 0 68 3 9.2 21 52 4 48 172 0.90 172.1 173.15 13.28S 33 0 0 68 4 34.2 21 52 18 48 172 0.90 172.1 173.18 13.31S 33 15 0 68 5 57.7 21 52 32 48 173 0.90 172.1 173.21 13.34S 33 30 0 68 7 19.9 21 52 46 48 173 0.91 172.1 173.24 13.37S 33 45 0 68 8 40.5 21 53 1 48 173 0.91 172.2 173.27 13.40S 34 0 0 68 9 59.7 21 53 15 48 174 0.91 172.2 173.30 13.43S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. The path is adjusted for the effects of refraction at low moon altitudes. 842 is double: AB 6.5 8.3 0.68" 129.7 (CHR 203) Graze path of B approximately 1.2 km north, and 1.1 secs later compared to A - refer to graze profile for exact distances Librations Long +2.63 Lat -3.91 P +171.64 D -3.24 Illumination of moon 99%- Elongation of Moon 171 Vertical Profile Scale approx. 2.50 km/arcsec at mean distance of moon Horizontal Scale Factor 1.61 deg/min At longitude 22.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 7.9 2.0 3.5 4.2 4.7 5.0 5.2 5.4 9.9 2.0 3.5 4.2 4.7 5.0 5.2 5.4 11.9 2.0 3.5 4.2 4.7 5.0 5.2 5.4 13.9 2.0 3.5 4.2 4.7 5.0 5.2 5.4 15.9 2.0 3.5 4.2 4.7 5.0 5.2 5.4 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 05365+2556CHR 203 1994 2018 7 286 252 0.1 0.1 6.5 8.3 F5/6IV +010+036 +25 879 N 053630.18+255624.4 ------------------------------------------------ Interferometric catalogue entries 053630.18+255624.4 HR 1889 CHR 203 HD 36994 HIP 26332 05365+2556 N Date PA Sep M1 M2 1985.1643 V274.7 . 0.1477 0.0006 . . 1.81 0.07 547 24 . 1 Smk1989 O 1985.1643 V 90.0 . . . . . . . . 1 Evn1986 O 1991.25 . . < 0.1 . 6.62 . . . 511 222 0.3 1 HIP1997e Hh 1994.7090 106.2 . 0.073 . . . . . 549 22 3.8 1 Msn1996b Sc 1994.7090 109.1 . 0.072 . . . . . 700 40 3.8 1 Msn1996b Sc 1995.1488 107.0 . 0.082 . . . . . 549 22 2.5 1 Hrt1997 Sc 1995.7686 101.6 . 0.108 . . . . . 549 22 2.5 1 Hrt1997 Sc 1997.1255 : 99.7 . : 0.137 . . . . . 549 22 2.5 1 Hrt2000a Sc 1999.8180 79.2 . 0.154 . . . . . 550 24 2.1 1 Msn2001b Su 2006.0054 . . U . . . . . . 880 155 3.6 1 Rbr2018 A ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Inari Kirkko Inarintie 37 27.0 68.9 157km 21 46 26.2 Oulu Puolivälikangas 25.5 65.0 225km 21 44 51.7 Pello 24.0 66.8 18km 21 43 17.1 Rovaniemi Kirkko Yliopistonk 3 25.7 66.5 75km 21 45 6.6 Sodankylä Kirkko Papintie 1 26.6 67.4 8km 21 45 59.7