2020年香港見月掩亮星及星團

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2019年11月3日初版。引用本帖內容時，請說明資料來源：香港天文學會

一月 (香港時間)
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Jan  7 22 52 24.3 d     639kF3  6.1  5.9   88+ 140     72 262  67N  54 339  63
   R639 = 85 H1. Tauri
   *** A light curve is desired as     639 is in the Kepler2 program {ID = 210725815}
20 Jan  8 01 56 10.6 d     654pF4  6.0* 5.8   89+ 141     31 280  55N  42 327  50
   *** A light curve is desired as     654 is in the Kepler2 program {ID = 210745602}
       654 is double: ** 6.8 6.8 0.10"  71.0, dT = +0.26sec
       654 has been reported as non-instantaneous (OCc 921). Observations are highly desired
20 Jan  8 03 49 49.9 d     668SK0  3.5* 3.0   89+ 142      6 288  42N  30 322  38
   R668 = Ain = epsilon Tauri = 畢宿一
       668 is triple: Aa,Ab 3.6 6.0 0.20" 108.0, dT = +0.13sec : AB 3.5 10.6 191" 269.0, dT = -316sec
       668 is a close double. Observations are highly desired
20 Jan 14 00 59 29.0 r    1514 A1  6.2  6.2s  89- 140     57  97  42N 334  46 312
   R1514 = 42 Leonis
      1514 = NSV 4828, 6.09 to 6.17, V
20 Jan 16 06 13 34.2 R    1773wK1  5.0  4.4s  68- 111 -12 65 223  33N 348 309 325
   R1773 = 16 Virginis = 謁者
      1773 is double: AB 5.1 12.9 139"  14.0, dT = -417sec
      1773 = NSV 5558, 4.94 to 4.99, V
20 Jan 23 06  5 28.8 r    2714kA3  6.2  6.1    4-  22      5 118  47S 221 284 227
   R2714 = 26 Sagittarii
   *** A light curve is desired as    2714 is in the Kepler2 program {ID = 215633526}
20 Jan 28 19  7 19.9 D    3428SA0  5.0  5.0s  11+  39     25 247  31N  14 314  38
   R3428 = psi 3 Aquarii = 羽林軍卅七
      3428 is triple: AB 5.0 9.0 1.5" 129.5, dT = -2.2sec : AC 5.0 13.1 133" 231.0, dT = -365sec
      3428 is a close double. Observations are highly desired
      3428 = NSV 14491, 4.97 to 5.00, V
20 Jan 30 20 36 12.1 d     106kK0  6.6  5.9   26+  61     28 257  68N  48 343  71
   *** A light curve is desired as     106 is in the Kepler2 program {ID = 220194189}

月掩畢宿一


月掩謁者


月掩羽林軍卅七

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二月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Feb  2 21 11 10.2 D     454 K3  5.6* 5.1   54+  95     53 262  53S 111  40 126
20 Feb 28 20 53  0.5 d     303cK0  6.4  5.9   20+  53     18 271  71S  93  24 112
       303 is double: ** 7.2 7.4 0.40" 115.0, dT = +0.9sec
       303 has been reported as non-instantaneous (OCc1174). Observations are highly desired

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三月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Mar  2 21 41 50   Gr    668SK0  3.5  3.0   47+  86     39 ** GRAZE: CA  0.6S; Dist. 17km in az.  10deg. [Lat = 22.53-0.16(E.Long-114.17)]
20 Mar  2 21 41 55   M     668SK0  3.5* 3.0   47+  86     41 277   1S 171  94 178
   R668 = Ain = epsilon Tauri = 畢宿一
       668 is triple: Aa,Ab 3.6 6.0 0.20" 108.0 : AB 3.5 10.6 191" 269.0
       668 is a close double. Observations are highly desired
   Distance of 668 to Terminator = 9.3"; to 3km sunlit peak = 0.0"
20 Mar  4 00  8 37.2 D     817SB2  4.9  5.0   58+  99     20 286  88N  85  11  87
   R817 = 114 Tauri = 天高增四
       817 is multiple: **Aa,Ab 5.6 5.6 0.10"  90.0, dT = +0.21sec : AB 4.9 10.9 40" 348.3, dT = -9sec : AC 4.9 11.5 64" 193.1, dT = -42sec : AD 4.9 13.1 77" 281.7, dT = -154sec
       817 has been reported as non-instantaneous (OCc   1). Observations are highly desired
20 Mar  5 00 49 30.5 d     983cA2  6.1  6.0   68+ 111     24 287  41N  43 328  39
       983 is double: AB 6.1 6.7 0.050" 339.0, dT = +0.07sec
       983 is a close double. Observations are highly desired
20 Mar  5 23 58 53.8 d    1118 A1  6.2  6.2   78+ 124     47 280  55S 134  53 125
   R1118 = 58 Geminorum =
20 Mar 10 23  6  5.1 R    1773wK1  5.0  4.4s  98- 166     50 113  40N 324  22 301
   R1773 = 16 Virginis = 謁者
      1773 is double: AB 5.1 12.9 139"  14.0, dT = -209sec
      1773 = NSV 5558, 4.94 to 4.99, V
   Distance of 1773 to Terminator = 12.0"; to 3km sunlit peak = 3.1"
20 Mar 17 05 37 46.6 R    2630wK0  5.0  4.4   44-  84     40 156  34N 325 349 328
   R2630 = 1 Sagittarii =
      2630 is double: AB 5.1 11.5 44" 286.1, dT = -140sec
20 Mar 29 19 24 47.9 d     617 F6  6.6  6.4   21+  55 -12 43 275  35S 136  60 146
20 Mar 30 19 48 43.9 D     752cA7  4.6* 4.5   30+  67     50 278  46N  41 321  46
   R752 = iota Tauri = 天高一
       752 is double: ** 5.4 5.4 0.10"   0.0
       752 has been reported as non-instantaneous (OCc 230). Observations are highly desired
20 Mar 30 20 29 42.4 d     755cK0  6.2* 5.5   30+  67     40 280  51S 124  46 128
20 Mar 31 23 18 58.8 D     916SG7  4.3        41+  80     15 289  42N  43 331  41
   R916 = 1 Geminorum = 司怪二
       916 is triple: AB 4.77 5.50 0.10" 284.2, dT = -0.16sec : AC 4.8 13.5 107"  24.8, dT = +330sec
       916 is a close double. Observations are highly desired
20 Mar 31 23 33 47   Gr    916SG7  4.3        41+  80     13 ** GRAZE: CA  4.4N; Dist.402km in az.  26deg. [Lat = 26.41-0.45(E.Long-114.17)]

月掩畢宿一


月掩


月掩


月掩謁者


月掩


月掩 NGC 2129


月掩司怪二

WCYue

四月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Apr 29 22  7 41.9 d    1161 K5  5.9  5.1   36+  73     27 285  57S 132  57 121

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五月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 May  2 21 51 57.5 D    1544 M2  5.4  4.5v  69+ 112     65 255  29N  52 345  30
   R1544 = 46 Leonis = 勢四
      1544 = ES Leo, 5.46 to 5.56, Hp, Type SRB:
20 May  2 22  3  0   Gr   1544 M2  5.4  4.5v  69+ 112     61 ** GRAZE: CA  9.4N; Dist.106km in az.  39deg. [Lat = 23.60-0.74(E.Long-114.17)]
20 May  4 19 33 41.2 D    1773wK1  5.0  4.4s  88+ 139 -10 51 114  78N 107 165  84
   R1773 = 16 Virginis = 謁者
      1773 is double: AB 5.1 12.9 139"  14.0, dT = -18sec
      1773 = NSV 5558, 4.94 to 4.99, V
20 May  8 22 30 26.1 R    2322SB2  4.1  4.1   98- 163     30 130  69S 253 302 244
   R2322 = jabbah = nu Scorpii = 鍵閉
      2322 is multiple: Aa,Ab 4.5 6.8 0.10"  46.5, dT = +0.26sec : AB 4.3 5.3 1.3"   2.0, dT = +1.3sec : EA 14.0 3.9 5.3" 143.2, dT = +5sec : AC 4.3 6.6 41" 337.0, dT = -13sec
      2322 is a close double. Observations are highly desired
20 May  8 22 30 27.5 r X 22139MB2  5.4        98- 163     30 130  69S 253 302 245
   X 22139 is triple: BA 5.3 4.3 1.3" 182.0, dT = -1.2sec : AE 3.9 14.0 5.3" 323.2, dT = -5sec
   X 22139 is a close double. Observations are highly desired
20 May 12 05 37 18.4 r    2834cA4  5.0* 4.9   76- 122  -3 40 200  81S 254 234 264
   R2834 = chi Sagittarii =
      2834 is double: AB 5.8 5.8 0.10"  80.0, dT = +0.31sec
      2834 is a close double. Observations are highly desired
20 May 14 04 57 53.6 R    3106 K0  5.2  4.6   57-  98 -11 44 156  56S 219 243 238
   R3106 = phi Capricorni = 楚
20 May 17 04 39 36.6 r    3484 G5  6.9  6.4   28-  64     27 113  79N 255 314 278
20 May 25 20  8  2.8 d     982SK1  6.8         7+  31     15 290  12S 170  98 166
       982 is triple: AB 7.31 7.86 0.10" 356.0, dT = -0.6sec : AC 6.6 7.5 0.20" 350.0, dT = -1.3sec
       982 is a close double. Observations are highly desired
20 May 25 20 17 48   Gr    982SK1  6.8         7+  31     11 ** GRAZE: CA -5.4S; Dist. 89km in az. 207deg. [Lat = 21.48-0.46(E.Long-114.17)]

月掩勢四


月掩謁者


月掩鍵閉


月掩楚


月掩 M28

WCYue

六月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Jun  9 02 28 20.2 r    2907SK3  6.2  5.7v  89- 142     43 167  75N 278 291 290
      2907 is triple: AC 6.3 16.0 42" 108.0, dT = +130sec : AB 6.3 10.7 47"  28.3, dT = +52sec
      2907 = V4200 Sgr, 6.18, range 0.07, V, Type BY, Period 3.24738 days, Phase  71%
20 Jun 11 01 35 41.6 R    3175 G8  4.7* 4.3   73- 118     27 127  80N 263 315 284
   R3175 = kappa Capricorni = 壘壁陣一
20 Jun 14 02 47 51.1 R       5cK1  4.6  4.1v  45-  84     22 106  49N 286 350 310
   R5 = 33 Piscium = 壘壁陣十一
         5 is double: AB 5.0 7.5 0.005" 255.2, dT = -0.02sec
         5 = BC Psc, 4.61, range 0.08, V, Type RS, Period 72.93 days
20 Jun 18 04 48  1.5 R     454 K3  5.6* 5.1   11-  39 -11 19  83  62S 221 292 236
20 Jun 23 20  8 38.6 D    1221cM3  6.0  5.1v   5+  27     11 290  69N  77   6  63
   R1221 = 9 Cancri = BL Cnc.
      1221 is double: AB 6.0 10.1 0.40" 350.0, dT = +0.04sec
      1221 is a close double. Observations are highly desired
      1221 = BL Cnc, 5.97 to 6.04, V, Type SR
20 Jun 23 20 16 32.6 D    1222cG5  7.2  6.8    5+  27     10 290  76S 112  42  98
      1222 is double: ** 7.2      0.016"  37.1, dT = +0.01sec
      1222 has been reported as non-instantaneous (OCc1381). Observations are highly desired
20 Jun 29 21 17 24.9 d    1950kG6  5.7  5.2   64+ 106     51 227  79N 102  59  81
   R1950 = 80 Virginis = 角宿增四
   *** A light curve is desired as    1950 is in the Kepler2 program {ID = 212804808}


月掩壘壁陣一


月掩壘壁陣十一


月掩 9 Cancri


月掩角宿增四

WCYue

七月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Jul  2 00  2 30.0 d    2209cK4  5.6  4.8   85+ 134     33 231  37S 160 111 147
   R2209 = 32 Librae = 氐宿增十六
      2209 is double: ** 6.7 6.7 0.050" 199.0, dT = +0.14sec
      2209 has been reported as non-instantaneous (OCc 953). Observations are highly desired
20 Jul  2 01  1 15.6 d    2213 K0  5.8  5.3   85+ 134     22 240  77N  93  36  80
   R2213 = 34 Librae = 氐宿增十五
20 Jul  2 22 34 24   m    2353 K0  4.5  4.0   92+ 147     47 190  11N  22  11  14
   R2353 = psi Ophiuchi = 東咸一
   Distance of 2353 to Terminator = 6.7"; to 3km sunlit peak = 0.0"
20 Jul  2 22 37 14   Gr   2353 K0  4.5  4.0   92+ 147     50 ** GRAZE: CA 10.6N; Dist.313km in az. 204deg. [Lat = 19.28-0.42(E.Long-114.17)]
   Distance of 2353 to Terminator = 11.0"; to 3km sunlit peak = 1.7"
20 Jul 17 03 24 23.2 R     654pF4  6.0* 5.8   16-  47     10  74  47S 216 286 224
   *** A light curve is desired as     654 is in the Kepler2 program {ID = 210745602}
       654 is double: ** 6.8 6.8 0.10"  71.0, dT = +0.18sec
       654 has been reported as non-instantaneous (OCc 921). Observations are highly desired
20 Jul 18 04  6 34.3 R     792 G8  5.0  4.5    9-  35     10  70  46N 308  18 310
   R792 = 109 Tauri = 天高四
20 Jul 19 04 34 27   m     956 B3  6.2  6.0v   4-  22      5  66  14N 348  55 344
   R956 = 9 Geminorum = 銊增一
       956 = PX Gem, 6.23 to 6.30, V, Type ACYG, Period 13.700 days, Phase  31%
20 Jul 30 00 56 26.7 d    2322SB2  4.1  4.1   73+ 118      8 245  48N  59 356  50
   R2322 = jabbah = nu Scorpii = 鍵閉
      2322 is multiple: Aa,Ab 4.5 6.8 0.10"  48.2, dT = +0.26sec : AB 4.3 5.3 1.3"   2.0, dT = +1.9sec : EA 14.0 3.9 5.3" 143.3, dT = +1.4sec : AC 4.3 6.6 41" 337.0, dT = +15sec
      2322 is a close double. Observations are highly desired



月掩氐宿增十六


月掩氐宿增十五


月掩天高四


月掩銊增一


月掩鍵閉


月掩 M8

WCYue

八月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Aug 01 00 44  3.6 d    2602 F2  5.4  5.1   89+ 142     41 160  89S  89 109  91
20 Aug 01 0125 49.8 d    2607cO6  5.9  5.9   89+ 142     43 172  82S  96 104  98
   R2607 = 9 Sagittarii =
      2607 is double: AB 6.3 6.8 0.010"  73.2, dT = +0.03sec
20 Aug  2 00 44 45.2 d    2771pK2  5.6  5.0   95+ 154     35 147  58S 112 146 119
   *** A light curve is desired as    2771 is in the Kepler2 program {ID = 215142368}
      2771 is double: ** 6.5 6.5 0.10" 113.0, dT = +0.29sec
      2771 has been reported as non-instantaneous (OCc1564). Observations are highly desired
20 Aug  9 05 19 11.3 r     150SF1  6.1  5.9v  76- 121  -9 64 218  78N 262 227 284
   R150 = 26 Ceti = 外屏增十
       150 is triple: AB 6.1 9.5 16.0" 253.0, dT = -59sec : AC 6.1 14.1 120" 291.0, dT = -392sec
       150 = HIP 4979, 6.06, range 0.01, 0V, Type VAR, Period 369.00369 days
20 Aug 28 19 49  6.0 d    2719pB8  5.8* 5.8   78+ 125     41 164  66S 108 124 114
   *** A light curve is desired as    2719 is in the Kepler2 program {ID = 215067200}
      2719 is double: AB 5.9 8.4 0.10" 148.3, dT = +0.24sec
      2719 is a close double. Observations are highly desired


月掩外屏增十

WCYue

九月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Sep  6 23 54 59.2 r     322SG0  5.6  5.3   82- 130     37  96  85N 259 328 277
   R322 = 64 Ceti = 天囷增六
       322 is double: AC 5.7 13.8      282.0, dT = 0.00sec
20 Sep  7 01 15 41.9 R     327cG8  4.4  3.9s  82- 130     55 107  88N 256 320 274
   R327 = xi 1 Ceti = 天囷五
       327 is double: AB 4.3      0.002" 218.1, dT = -0.01sec
       327 = NSV 749, 4.35 to 4.38, V, Type E:
20 Sep 10 03 21 42.1 r     700cB8  5.9  5.9E  55-  96     57  86  85S 257 338 263
   R700 = HU Tauri (129 H1.)
       700 is double: ** 6.0 7.5      350.0, dT = 0.00sec
       700 = HU Tau, 5.85 to 6.68, V, Type EA/SD:, Period 2.05630398 days, Phase  42%
20 Sep 21 18 31  2   m    2209cK4  5.6  4.8   22+  55  -3 34 229   8N  21 334   8
   R2209 = 32 Librae = 氐宿增十六
      2209 is double: ** 6.7 6.7 0.050" 199.0
      2209 has been reported as non-instantaneous (OCc 953). Observations are highly desired
20 Sep 22 21 9 42.7 D    2376 A*  4.5  4.4v  33+  70     13 240  57S 131  72 124
   R2376 = omega Ophiuchi = 東咸四
      2376 = ome Oph, 4.44 to 4.51, V, Type ACV, Period 2.99 days
20 Sep 23 20 53 39.8 D    2523 A0  4.8  4.8s  44+  83     25 228  78S 105  56 103
   R2523 = 51 Ophiuchi = 天籥六
      2523 = NSV 9037, 4.79 to 4.82, V


月掩天囷增六


月掩天囷五


月掩 HU Tauri


月掩東咸四


月掩天籥六

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十月（香港時間）
日     期 時    間   P  恆星   Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
年  月 日 時 分 秒      編號  D     v    r V  ill     Alt Alt Az   o    o   o   o
20 Oct  5 01 55 10.6 R     404cA7  5.2* 5.1v  93- 149     79 155  88S 257 280 273
   R404 = 38 Arietis (UV) =  白羊座38
       404 is double: ** 4.8 7.4 0.036"   9.0, dT = +0.05sec
       404 has been reported as non-instantaneous (OCc 975). Observations are highly desired
       404 = UV Ari, 5.18 to 5.22, V, Type DSCTC, Period 0.0355 days
20 Oct 11 03 36 41.1 r    1208DK1  6.4        41-  80     42  78  84N 288   9 275
      1208 is double: AB 6.48 9.95 1.98" 325.6, dT = -4sec
      1208 is a close double. Observations are highly desired
20 Oct 14 05 11  7.4 r    1586kK0  7.5  7.0   12-  41     24  86  75S 284 355 261
   *** A light curve is desired as    1586 is in the Kepler2 program {ID = 248868430}
20 Oct 15 05 13 38.4 r  119066KG5  7.9* 7.6    5-  27     11  87  50S 263 332 240
   *** A light curve is highly desired as  119066 is in the Kepler2 program {ID = 201860743}
20 Oct 19 19 10 37.9 D    2302SB0  2.6  2.7s  10+  37     11 243  68N  78  16  68
   R2302 = Acrab = beta Scorpii = 房宿四
      2302 is multiple: Aa,Ab 2.9 4.1      350.0, dT = 0.00sec : AB 2.6      0.001" 118.4, dT = 0.00sec : AB 2.6 10.6 0.33" 218.0, dT = -0.5sec : AC 2.6 4.5 13.7"  19.9, dT = +15sec
      2302 is a close double. Observations are highly desired
      2302 = NSV 7424, 2.61 to 2.67, V
20 Oct 19 19 10 53.6 D    2303SB2  4.8  4.9   10+  37     11 243  67N  77  15  67
      2303 is triple: CE 4.5 6.6 0.10"  53.6, dT = +0.2sec : CA 4.5 2.6 13.7" 199.9, dT = -16sec
      2303 is a close double. Observations are highly desired
20 Oct 24 22 53 16.8 d    3089SA0  5.3* 5.3   60+ 102     22 234  46S 116  62 134
   R3089 = chi Capricorni = 齊
      3089 is multiple: AE 5.3 13.0 9.2"  16.3, dT = -6sec : AF 5.3 13.0 9.5"  14.0, dT = -8sec : AG 5.3 20.0 13.1"  62.0, dT = +30sec : AC 5.3 15.0 35" 114.7, dT = +137sec
      3089 is a close double. Observations are highly desired
20 Oct 30 19  9 13.6 D     249 K3  4.5* 3.7   99+ 167     25  94  85N  42 110  62
   R249 = nu Piscium = 外屏五


月掩白羊座38


月掩房宿四


月掩齊


月掩外屏五


月掩 M35