2023年5月，月掩亮星

WCYue

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
23 May  6 23 31 43.3 r    2226kA1  7.0  6.8V  99- 168     40 151  80S 285 314 274
   *** A light curve is desired as    2226 is in the Kepler2 program {ID = 249470337}
      2226 = HD 139202, 6.97, , Type ACV, Period 1.4938 days, Phase  11%
23 May  7 04 42 18.2 r    2249cK1  6.7* 6.0   99- 166     22 232  51N 334 282 323
      2249 is double: AB 7.6 7.8 0.034"  46.6, dT = -0.04sec
      2249 is a close double. Observations are highly desired
   Distance of 2249 to Terminator = 16.9"; to 3km sunlit peak = 6.5"
23 May 23 20 55 49.7 D    1093SF8  6.6     s  14+  44     18 293  55N  57 343  50
      1093 is triple: AB 7.24 7.27 0.75" 299.4, dT = -1.1sec : AC 7.2 12.8 13.7"  74.6, dT = +42sec
      1093 is a close double. Observations are highly desired
      1093 = NSV 3453, 6.43 to 6.46, V
23 May 29 19  5 49.2 d    1728kM4  6.7* 5.9s  68+ 111  -2 68 145  39N  64  95  41
   *** A light curve is desired as    1728 is in the Kepler2 program {ID = 201690697}
      1728 = NSV 19065, 6.67 to 6.76, V
23 May 29 19 18  9   Gr   1728kM4  6.7  5.9s  68+ 111  -4 70 ** GRAZE: CA 20.7N; Dist. 89km in az.  45deg. [Lat = 23.38-0.92(E.Long-114.17)]
23 May 29 19 34  5.7 r    1728kM4  6.7* 5.9s  68+ 111  -8 71 164   3N  27  43   5
   *** A light curve is desired as    1728 is in the Kepler2 program {ID = 201690697}
      1728 = NSV 19065, 6.67 to 6.76, V
   Distance of 1728 to Terminator = 7.6"; to 3km sunlit peak = 0.0"
23 May 30 20 27 48.6 D    1828kA2  6.8  6.7   77+ 122     65 174  62N  86  91  64
   *** A light curve is desired as    1828 is in the Kepler2 program {ID = 228924756}