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2018年2月,香港見月掩亮星

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發表於 2018-1-20 01:39:23 | 顯示全部樓層 |閱讀模式

二月
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
18 Feb  2 03  4  2.0 r    1481 A5  7.4  7.3   98- 163     69 247  90N 287 226 265
18 Feb  4 04 11 29.2 R    1733dA1  5.4  5.4   86- 136     69 211  86N 294 266 270
   R1733 = 7 Virginis = 內屏増六
      1733 is double: AB 5.3 14.5 3.2" 218.0, dT = -2sec
      1733 is a close double. Observations are highly desired
18 Feb  5 04  9 56.3 r    1848 K5  7.7  7.0   77- 123     67 176  52N 328 332 304
18 Feb  7 05  8 56.4 r    2082 G0  8.2* 7.9   57-  99     57 162  62N 315 332 297
18 Feb  8 01 57 36.0 r    2184cA3  7.3  7.1e  48-  88     15 111  57S 252 315 237
   R2184 = ES Librae
      2184 is double: AB 7.0      0.20" 152.6, dT = +0.1sec
      2184 is a close double. Observations are highly desired
      2184 = ES Lib, 7.1 to 7.57, V, Type EB/KE, Period 0.883042 days, Phase 12 %
18 Feb  8 04  7 30.1 r    2190kF2  7.9* 7.7   48-  87     40 131  68N 307 353 293
   *** A light curve is desired as    2190 is in the Kepler2 program {ID = 250177762}
18 Feb 10 06 33 35.8 R    2448cK1  6.3* 5.6   28-  65  -6 43 149  56S 243 273 238
   R2448 = 29 Ophiuchi = 宋增二
      2448 is double: ** 7.2 7.2 0.10" 270.0, dT = -0.42sec
      2448 has been reported as non-instantaneous (OCc  40). Observations are highly desired
18 Feb 11 04 52 39.9 R    2561SA3  7.6  7.5   21-  54     18 122  73S 257 314 257
      2561 is triple: AB 7.6 10.4 44" 187.8, dT = -45sec : AD 7.6      297" 270.0, dT = -834sec
18 Feb 20 21 11 12   Gr    249 K3  4.5  3.7   21+  54     14 ** GRAZE: CA -1.5N; Dist.384km in az. 181deg. [Lat = 18.79-0.02(E.Long-114.17)]
18 Feb 23 18 30 54.1 d     636cF7  7.0*    s  51+  91  -2 84 179  56N  46  47  56
   R636 = 55 Tauri =
       636 is double: AB 7.26 8.62 0.61"  11.0, dT = +1.5sec
       636 is a close double. Observations are highly desired
       636 = NSV 15952, 6.88, range 0.01, V, Type BY:
18 Feb 23 20 57 17.0 D     650cA1  5.6* 5.5s  52+  92     56 268  50N  41 326  50
   R650 = 63 Tauri = 畢宿增十一
       650 = NSV 15964, 5.64, range 0.02, V, Type VAR:
18 Feb 24 20  4  3.9 d     800SG0  7.9        63+ 105     81 250  76N  71   4  74
       800 is triple: Aa,Ab 8.22 9.28 0.27"  19.7, dT = +0.47sec : AB 7.8 10.0 36" 104.0, dT = +85sec
       800 is a close double. Observations are highly desired
18 Feb 25 18 58 51.2 d     971cG5  7.3  6.7   74+ 118  -9 70  92  87S  94 174  90
18 Feb 26 00  4 10   Gr    995SB6  4.1  4.2v  75+ 120     40 ** GRAZE: CA  6.0N; Dist.316km in az. 201deg. [Lat = 19.19-0.36(E.Long-114.17)]
18 Feb 26 22 11 48.6 D    1135 K0  6.7  6.1   84+ 133     80 258  89S  97  23  87
18 Feb 26 22 56 31.0 d    1138 G0  7.1  6.8   84+ 133     69 267  39N  46 326  36
18 Feb 27 21 50 20.9 D    1275SK5  5.3* 4.5s  92+ 147     81 114  65N  78 141  62
   R1275 = theta Cancri = 鬼宿一
      1275 is multiple: ** 6.4 6.4 0.10" 100.0, dT = +0.27sec : AB 5.5 11.8 75"  62.0, dT = +209sec : AD 5.3 12.6 225" 268.2, dT = -644sec : AC 5.5 10.5 344" 214.1, dT = -716sec
      1275 has been reported as non-instantaneous (OCc 690). Observations are highly desired
      1275 = NSV 17911, 5.43 to 5.47, Hp
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