本帖最後由 WCYue 於 2023-2-14 18:55 編輯
Occultation prediction for 下城門水塘主壩
E. Longitude 114 9 52.2, Latitude 22 22 20.3, Alt. 90m; Telescope dia 15cm; dMag 0.0
香港時間
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
21 Apr 17 21 53 54 掠掩 火星 1.5 1.5 24+ 59 13 ** GRAZE: CA -3.7N; Dist.372km in az. 207deg. [Lat = 18.59-0.48(E.Long-114.16)]
22 May 27 11 42 50.8 掩始 金星 -4.0 -4.0 10- 38 81 60 248 -31N 360 307 26
Venus contacts: Dark limb 3 42 19; Terminator 3 42 21; Bright limb 3 43 23: diam = 14.2"; %illum = 76.4%; PA bright limb = 66.6
22 May 27 12 51 56.1 掩終 金星 -4.0 -4.0 10- 37 82 45 260 59N 271 210 297
Venus contacts: Dark limb 4 51 27; Terminator 4 51 44; Bright limb 4 52 26: diam = 14.2"; %illum = 76.4%; PA bright limb = 66.6
22 Nov 8 18 58 2.4 掩始 天王星 5.6 5.6 0E 179 17 79 36U 95 166 110
Uranus limb contacts offset by ±4.3 secs, at 10 57 58.1 and 10 58 6.7 Both contacts are against the bright limb of Uranus
22 Nov 8 19 47 23.6 掩終 天王星 5.6 5.6 4E 179 28 82 33U 203 276 217
Uranus limb contacts offset by ±4.6 secs, at 11 47 19.0 and 11 47 28.3 Both contacts are against the bright limb of Uranus
23 Mar 24 19 47 22.3 掩始 金星 -4.0 -4.0 9+ 35 18 279 82N 59 351 79
Venus contacts: Bright limb 11 47 7; Terminator 11 47 25.4; Dark limb 11 47 38: diam = 13.6"; %illum = 79.7%; PA bright limb = 250.5
23 Mar 24 20 53 14.8 掩終 金星 -4.0 -4.0 9+ 36 3 285 -80N 257 193 278
Venus contacts: Bright limb 12 53 1; Terminator 12 53 23; Dark limb 12 53 28: diam = 13.6"; %illum = 79.7%; PA bright limb = 250.5
24 May 5 10 21 16.1 掩始 火星 1.1 1.1 13- 42 61 66 204 -68N 42 21 65
Mars contacts: Dark limb 2 21 10; Terminator 2 21 11; Bright limb 2 21 22: diam = 4.8"; %illum = 93.7%; PA bright limb = 65.2
24 May 5 11 44 3.5 掩終 火星 1.1 1.1 13- 41 80 53 237 72S 231 177 249
Mars contacts: Dark limb 3 43 58; Terminator 3 44 2.0; Bright limb 3 44 9: diam = 4.8"; %illum = 93.7%; PA bright limb = 65.2
24 Jul 25 4 50 56.9 掩始 土星 0.9 0.9 85- 134 56 216 -81S 78 45 99
Saturn ring contacts offset by ±54.4 secs, at 20 50 2 and 20 51 51
Saturn limb contacts offset by ±25.0 secs, at 20 50 32 and 20 51 22 Both contacts are against the bright limb of Saturn
24 Jul 25 5 55 16.0 掩終 土星 0.9 0.9 84- 133 0 45 235 38S 197 148 219
Saturn ring contacts offset by ±11.0 secs, at 21 55 5 and 21 55 27
Saturn limb contacts offset by ±21.5 secs, at 21 54 54 and 21 55 38 Both contacts are against the bright limb of Saturn
24 Oct 15 3 25 4.2 掩始 土星 0.7 0.7 89+ 141 3 260 51S 103 37 125
Saturn ring contacts offset by ±48.8 secs, at 19 24 15 and 19 25 53
Saturn limb contacts offset by ±21.7 secs, at 19 24 43 and 19 25 26 Both contacts are against the bright limb of Saturn
25 Feb 1 10 52 33.9 掩始 土星 1.1 1.1 9+ 35 43 24 109 47S 111 174 134
Saturn ring contacts offset by ±61.8 secs, at 2 51 32 and 2 53 36
Saturn limb contacts offset by ±28.2 secs, at 2 52 6 and 2 53 2 Both contacts are against the bright limb of Saturn
25 Feb 1 11 32 2.2 掩終 土星 1.1 1.1 9+ 35 48 33 114 -21S 180 239 202
Saturn ring contacts offset by ±6.4 secs, at 3 31 56 and 3 32 9
Saturn limb contacts offset by ±27.1 secs, at 3 31 35 and 3 32 29 Both contacts are against the bright limb of Saturn
25 Feb 9 5 3 12.8 掩始 火星 -0.8 -0.8 92+ 147 2 298 29S 162 100 159
Mars contacts: Bright limb 21 2 53; Terminator 21 3 29; Dark limb 21 3 32: diam = 12.9"; %illum = 97.2%; PA bright limb = 284.1
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發表於 2023-2-13 08:23:53