2020年3月，月掩亮星

WCYue

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)]