2022年2月，月掩亮星

WCYue

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
22 Feb  6 18 50  6.1 D     219wK4  4.8* 4.1   29+  66  -9 57 246  60S 100  41 120
   R219 = mu Piscium = 外屏四
       219 is double: AB 5.0 12.0 212" 297.6, dT = -841sec
22 Feb  6 19 48 37.7 r     219wK4  4.8* 4.1   30+  66     44 257 -29S 188 123 209
   R219 = mu Piscium = 外屏四
       219 is double: AB 5.0 12.0 212" 297.6, dT = +272sec
22 Feb 11 23 42  2.9 D     852cB3  5.2  5.3v  77+ 123     48 285  42N  42 317  42
   R852 = 125 Tauri = 諸王二
       852 is double:  5.2 9.5 0.46" 327.9, dT = +0.6sec
       852 is a close double. Observations are highly desired
       852 = HIP 26640, 5.18, range 0.00, 6V, Type VAR, Period 3.26435 days
22 Feb 14 23  4 18.7 D    1251 B9  5.9  5.9   96+ 156     88  16  58S 145 309 131
   R1251 = lambda Cancri = 爟二
22 Feb 15 22 48  3.7 D    1373dA2  6.5* 6.5   99+ 167     74  90  52N  90 174  73
   R1373 = 90 H1. Cancri
      1373 is double: AB 6.4 13.8 6.7" 257.8, dT = -23sec
      1373 is a close double. Observations are highly desired
   Distance of 1373 to Terminator = 15.8"; to 3km sunlit peak = 5.7"
22 Feb 17 00 52 50.2 d    1484cA0  3.5  3.5s 100- 175     84 199   8S 118 100  98
   R1484 = eta Leonis = 軒轅十三
      1484 is double: AB 3.5 8.4 0.10" 238.8, dT = -0.15sec
      1484 is a close double. Observations are highly desired
      1484 = NSV 4738, 3.46 to 3.60, V
   Distance of 1484 to Terminator = 0.1"; to 3km sunlit peak = 0.0"
22 Feb 17 02 20 59.5 r    1484cA0  3.5  3.5s 100- 175     67 261 -19N 314 242 294
   R1484 = eta Leonis = 軒轅十三
      1484 is double: AB 3.5 8.4 0.10" 238.8, dT = -0.07sec
      1484 is a close double. Observations are highly desired
      1484 = NSV 4738, 3.46 to 3.60, V
22 Feb 19 01  1 21   m    1702 M0  4.0* 3.3v  95- 155     66 128 -26N  40  87  17
   R1702 = nu Virginis = 亢宿增七
      1702 = nu. Vir, 4.1 to 4.16, Hp, Type SRB
22 Feb 19 01  3 51   Gr   1702 M0  4.0  3.3v  95- 155     69 ** GRAZE: CA-26.3N; Dist.168km in az. 217deg. [Lat = 20.35-0.70(E.Long-114.17)]
22 Feb 20 07 16 56.3 d    1821SF0  2.8     s  89- 141   5 25 257 -53S 147  82 125
   R1821 = Porrima = gamma Virginis = 東上相
      1821 is multiple: AB 3.48 3.53 3.18" 354.8, dT = -7sec : AC 3.5 15.1 99" 116.1, dT = +202sec : AD 3.5 12.1 181"  91.0, dT = +243sec : AE 3.5 8.9 261" 166.3, dT = +581sec
      1821 is a close double. Observations are highly desired
      1821 = NSV 5859, 2.452, range 0.72, 6Ic, Type VAR
22 Feb 20  8 14 47.7 r    1821SF0  2.8     s  89- 141  18 11 264  74S 274 207 252
   R1821 = Porrima = gamma Virginis = 東上相
      1821 is multiple: AB 3.48 3.53 3.18" 354.8, dT = -1.1sec : AC 3.5 15.1 99" 116.1, dT = +197sec : AD 3.5 12.1 181"  91.0, dT = +391sec : AE 3.5 8.9 261" 166.3, dT = +168sec
      1821 is a close double. Observations are highly desired
      1821 = NSV 5859, 2.452, range 0.72, 6Ic, Type VAR
22 Feb 26 06 45 56.7 d    2650 K3  4.7  3.8   28-  63  -1 36 154 -61N  57  84  60
22 Feb 26 07 53  5.9 r    2650 K3  4.7  3.8   27-  63  14 40 172  38N 318 326 321