Penumbral lunar eclipse of 2017, February 11

     The beginning of the eclipse is visible from Eurasia (except  the  extreme
 east), Africa, Madagascar, east of Northern and South America,  Greenland,  In-
 dian, Atlantic, and Arctic oceans.
     The end of the eclipse is visible from Europe, Africa, America,  Greenland,
 east of Pacific, and Atlantic oceans.

                   Universal time of geocentric opposition
                                                         h  m  s
                in right ascension  2017, February 11,  1 10 40.2

                                                  Sun              Moon
                                                h  m  s          h  m  s
  Right ascension  . . . . . . . . . . . . .  21 39 23.609      9 39 23.609
                                                      s                s   
     Hourly motion . . . . . . . . . . . . .        +9.856         +136.616
                                                o  '  "          o  '  "   
  Declination. . . . . . . . . . . . . . . . -14 00 45.77     +12 59 31.78 
                                                      "                "   
     Hourly motion . . . . . . . . . . . . .       +49.33          -490.22 
                                                      "             '  "   
  Equatorial horizontal parallax . . . . . .         8.91         58 04.96 
                                                   '  "             '  "   
  Apparent semidiameter  . . . . . . . . . .     16 12.32         15 49.64 

                         Circumstances of the Eclipse
                                                             Position Angles
                                                           of the Moon's axis
                                                       h  m        o
     Moon enters penumbra . . . . . . . February 10, 22 32.1     20.11
     Greatest eclipse . . . . . . . . .          11,  0 43.8     20.43
     Moon leaves penumbra . . . . . . .               2 55.4     20.73

 -----------------------------------------------
  Contacts |  Position |The Moon being in the Zenith in
of penumbra|   Angles  |------------------------
 with Limb |  from the |          |            
  of Moon  |North Point| Latitude | Longitude  
 ----------|-----------|----------|-------------       
           |    o  '   |    o  '  |    o  '    
 First     |  62 34.6  | +13 26.1 | 24 08.0 E  
 Last      | 324 11.1  | +12 50.2 | 39 22.8 W 

 Magnitude of the eclipse          1.011
                                    " 
 Angular radius of the penumbra 4555.95
                                    "  
 Angular radius of the umbra    2572.68

-------------------------------------------------------------------------------
  T  |  s  |   d  |   P  |Magnitudes of!  T  |  s  |   d  |   P  |Magnitudes of
     |     |      |      |  penumbral  !     |     |      |      |  penumbral           
-----|-----|------|------|-------------!-----|-----|------|------|-------------
  h m|    "|      |    o |             !  h m|    "|      |    o |             
22 30| 5558| 2.157|  63.0|      -      ! 0 50| 3580| 1.391|  10.2|    1.008    
   40| 5318| 2.065|  60.8|    0.100    !     |     |      |      |
   50| 5087| 1.975|  58.4|    0.221    ! 1 00| 3611| 1.404|   5.2|    0.992    
     |     |      |      |             !   10| 3669| 1.427|   0.3|    0.961    
23 00| 4866| 1.889|  55.8|    0.337    !   20| 3754| 1.460| 355.6|    0.916    
   10| 4656| 1.808|  53.0|    0.447    !   30| 3863| 1.502| 351.1|    0.859    
   20| 4459| 1.732|  49.9|    0.550    !   40| 3994| 1.553| 346.9|    0.790    
   30| 4276| 1.661|  46.5|    0.645    !   50| 4145| 1.612| 343.0|    0.710    
   40| 4110| 1.597|  42.8|    0.732    !     |     |      |      |
   50| 3963| 1.540|  38.8|    0.809    ! 2 00| 4315| 1.678| 339.4|    0.621    
     |     |      |      |             !   10| 4500| 1.751| 336.1|    0.524    
 0 00| 3836| 1.491|  34.5|    0.875    !   20| 4699| 1.828| 333.0|    0.419    
   10| 3733| 1.450|  30.0|    0.929    !   30| 4911| 1.911| 330.3|    0.307    
   20| 3654| 1.420|  25.2|    0.970    !   40| 5134| 1.998| 327.7|    0.190    
   30| 3601| 1.400|  20.3|    0.998    !   50| 5366| 2.088| 325.4|    0.068    
   40| 3576| 1.390|  15.3|    1.010    !     |     |      |      |
     |     |      |      |             ! 3 00| 5606| 2.182| 323.2|      -      

   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.