Partial lunar eclipse of 2017, August 7

     The beginning of the eclipse is visible from Asia, east of Africa, Madagas-
 car, Australia, New Zealand, Antarctica at coast of Indian ocean, west of Paci-
 fic, and Indian oceans.
     The end of the eclipse is visible from Eurasia (except east part),  Africa,
 Madagascar, Australia, Antarctica at coast of Indian ocean,  south of Atlantic,
 and Indian oceans.

                   Universal time of geocentric opposition
                                                       h  m  s
                in right ascension  2017, August 7, 18 40 47.7

                                                  Sun              Moon
                                                h  m  s          h  m  s
  Right ascension  . . . . . . . . . . . . .   9 11 36.226     21 11 36.226
                                                      s                s   
     Hourly motion . . . . . . . . . . . . .        +9.532         +127.287
                                                o  '  "          o  '  "   
  Declination. . . . . . . . . . . . . . . . +16 12 13.76     -15 23 05.55 
                                                      "                "   
     Hourly motion . . . . . . . . . . . . .       -42.41          +389.48 
                                                      "             '  "   
  Equatorial horizontal parallax . . . . . .         8.67         55 33.06 
                                                   '  "             '  "   
  Apparent semidiameter  . . . . . . . . . .     15 46.38         15 08.25 

                         Circumstances of the Eclipse
                                                             Position Angles
                                                           of the Moon's axis
                                                        h  m        o
     Moon enters penumbra . . . . . . .    August 7,  15 47.9    341.75
     Moon enters umbra  . . . . . . . .               17 22.3    341.51
     Greatest eclipse . . . . . . . . .               18 20.5    341.36
     Moon leaves umbra  . . . . . . . .               19 18.5    341.21
     Moon leaves penumbra . . . . . . .               20 52.9    340.98


 -------------------------------------------
   Contacts|  Position |The Moon being in the Zenith in
   of umbra|   Angles  |------------------------       
  with Limb|  from the |          |            
   of Moon |North Point| Latitude | Longitude 
 ----------|-----------|----------|----------  
           |     o  '  |    o  '  |    o  '    
  First    |  138 25.9 | -15 37.5 | 100 12.4 E 
  Last     |  198 36.8 | -15 24.9 |  72 06.0 E

Magnitude of the eclipse          0.249  
                                         
Angular radius of the penumbra 4373.28   
                                    "    
Angular radius of the umbra     2442.84  

 ---------------------------------------------------------------------------------
      |     |      |      | Magnitudes of!     |     |      |      |Magnitudes of
   T  |  s  |   d  |   P  |--------------!  T  |  s  |   d  |   P  |--------------
      |     |      |      |umbral| penum.!     |     |      |      |umbral| penum.
      |     |      |      eclipse|eclipse!     |     |      |      eclipse|eclipse
 -----|-----|------|------|------|-------!-----|-----|------|------|------|-------
   h m|    "|      |    o |      |       !  h m|    "|      |    o |      |        
 15 40| 5469| 2.241| 110.8|   -  |    -  !18 30| 2902| 1.188| 174.0| 0.242| 1.304
    50| 5225| 2.141| 112.5|   -  |  0.028!   40| 2944| 1.205| 179.6| 0.219| 1.281
      |     |      |      |      |       !   50| 3013| 1.233| 185.0| 0.181| 1.243
 16 00| 4987| 2.044| 114.3|   -  |  0.159!     |     |      |      |      |
    10| 4754| 1.948| 116.3|   -  |  0.288!19 00| 3108| 1.272| 190.1| 0.129| 1.191
    20| 4528| 1.855| 118.5|   -  |  0.412!   10| 3226| 1.320| 194.8| 0.064| 1.127
    30| 4309| 1.765| 120.9|   -  |  0.533!   20| 3365| 1.377| 199.2|   -  | 1.050
    40| 4099| 1.679| 123.6|   -  |  0.648!   30| 3522| 1.441| 203.3|   -  | 0.964
    50| 3899| 1.597| 126.6|   -  |  0.758!   40| 3696| 1.512| 206.9|   -  | 0.869
      |     |      |      |      |       !   50| 3884| 1.589| 210.3|   -  | 0.766
 17 00| 3711| 1.520| 129.8|   -  |  0.862!     |     |      |      |      |
    10| 3537| 1.449| 133.5|   -  |  0.957!20 00| 4083| 1.670| 213.3|   -  | 0.657
    20| 3378| 1.383| 137.5|   -  |  1.044!   10| 4293| 1.756| 216.0|   -  | 0.542
    30| 3237| 1.326| 141.8| 0.058|  1.122!   20| 4512| 1.845| 218.4|   -  | 0.422
    40| 3117| 1.277| 146.6| 0.124|  1.187!   30| 4738| 1.938| 220.7|   -  | 0.297
    50| 3021| 1.237| 151.6| 0.177|  1.240!   40| 4971| 2.033| 222.7|   -  | 0.169
      |     |      |      |      |       !   50| 5210| 2.130| 224.5|   -  | 0.038
 18 00| 2949| 1.207| 157.0| 0.216|  1.279!     |     |      |      |      |
    10| 2905| 1.189| 162.6| 0.240|  1.303!21 00| 5454| 2.230| 226.2|   -  |   -  
    20| 2889| 1.183| 168.3| 0.249|  1.312!     |     |      |      |      |
                               
   T - universal time ( TDT - UT1 = 69.0s);
   s - the angular distance between the centers of the Moon and the shadow;
   d - the linear distance between the Moon's center and that of the shadow
       in terms of the shadow's radius;
   P - the position angle of the Moon's disk semi-diameter directed towards
       the shadow's center.