2022年4月，月掩亮星

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
22 Apr  5 20  1 41.3 D     601PG5  5.9  5.6   17+  48     29 284  51N  39 323  49
   R601 = 39 Tauri = 月增一
   *** A light curve is highly desired as     601 is in the Kepler2 program {ID = 210938993}
       601 is quadruple: Aa,Ab 6.0      0.66" 314.9, dT = +0.21sec : AC 6.0 12.6 151"  14.4, dT = +454sec : AB 6.0 8.1 177" 356.6, dT = +433sec
       601 is a close double. Observations are highly desired
22 Apr  5 20  8 52   M     599SK0  4.4  3.8   17+  48     27 284   3N 351 276   1
   R599 = 37 Tauri = A Tauri = 月
       599 is triple: AB 4.5 10.0 134" 193.8 : AC 4.5 12.6 236" 215.7
22 Apr  5 20  9 14   Gr    599SK0  4.4  3.8   17+  48     26 ** GRAZE: CA  3.3N; Dist. 89km in az. 198deg. [Lat = 21.40-0.29(E.Long-114.17)]
22 Apr  6 19 38 52.0 D     740kF0  6.3  6.2   24+  59     45 283  65S 107  25 112
   *** A light curve is desired as     740 is in the Kepler2 program {ID = 247826631}
22 Apr  10 00 48 10   M    1169 K5  5.3  4.5s  53+  94     11 293   8N  18 308   8
   R1169 = 76 Geminorum = 積薪增一
      1169 = NSV 3703, 5.28 to 5.32, V
22 Apr 10 18 56 15.7 D    1270cF0  6.1  5.9v  61+ 103  -4 80  77  81S 114 213  99
   R1270 = 28 Cancri (CX) = 爟增十
      1270 is double: ** 6.9 6.9 0.050" 350.0, dT = -0.1sec
      1270 has been reported as non-instantaneous (OCc1387). Observations are highly desired
      1270 = CX Cnc, 6.1, range 0.02, 5V, Type DSCTC, Period 0.096 days
22 Apr 10 21 20 15.0 D    1274cF0  5.7* 5.5s  62+ 104     67 280  45N  60 331  46
   R1274 = upsilon 1 Cancri =
      1274 = NSV 17909, 5.691, range 0.01, 4w, Type PULS, Period 0.109096 days, Phase   1%
22 Apr 13 02 57  9.8 d    1514 A1  6.2  6.2s  81+ 129     11 282  74S 131  61 109
   R1514 = 42 Leonis = 軒轅增卅五
      1514 = NSV 4828, 6.09 to 6.17, V
22 Apr 15 03 32 13.5 D    1733dA1  5.4  5.4   95+ 154     20 266  48S 162  95 140
   R1733 = 7 Virginis = 內屏增六
      1733 is double: AB 5.3 14.5 3.2" 218.0, dT = +5sec
      1733 is a close double. Observations are highly desired
22 Apr 15 23 35 26.5 d    1825 G8  5.9  5.5   98+ 165     66 181  20S 194 193 173
   Distance of 1825 to Terminator = 4.0"; to 3km sunlit peak = 0.0"
22 Apr 17 22  3 15.9 r    2065wK2  6.5  5.9   99- 169     33 124  86S 280 332 263
      2065 is double: AB 6.6 11.0 42"  47.3, dT = +60sec
   Distance of 2065 to Terminator = 18.5"; to 3km sunlit peak = 7.6"
22 Apr 19 04 27 56.6 R    2214WA5  6.3  6.2   94- 153     36 221  86N 290 249 278
      2214 is double: AB 6.3 8.9 11.2" 279.9, dT = -27sec
22 Apr 19 23 46 47.8 r    2357pB3  6.8        89- 141     25 131  68N 303 353 296
   *** A light curve is desired as    2357 is in the Kepler2 program {ID = 204151925}
      2357 is triple: DE 6.81 8.42 0.30" 189.3, dT = +0.26sec : DA 6.8 5.1 156"  71.7, dT = +201sec
      2357 is a close double. Observations are highly desired
22 Apr 19 23 49 53.6 R  184381DB2  5.7        89- 141     25 132  62N 310 359 302
    184381 is double: BA 5.7 5.1 2.8" 156.2, dT = +5sec
    184381 is a close double. Observations are highly desired
22 Apr 19 23 49 59.2 R    2359MB2  5.0  4.9   89- 141     25 132  62N 310 358 302
   R2359 = rho Ophiuchi = 心宿增九/四
      2359 is quadruple: AB 5.1 5.7 2.8" 336.2, dT = -5sec : AC 5.1 7.3 149" 359.9, dT = -202sec : AD 5.1 6.8 156" 251.7, dT = -176sec
      2359 is a close double. Observations are highly desired
22 Apr 21 00 43 54.6 R    2524SB9  6.0*       80- 126     22 133  12N 353  42 351
      2524 is triple: AB 6.15 8.55 3.43" 191.0, dT = +15sec : AB 6.2 8.6 3.4" 191.0, dT = +15sec
      2524 is a close double. Observations are highly desired
22 Apr 27 04 24 32.7 R    3458 K0  6.2* 5.5   16-  47      8 103  87S 238 304 261