III. Partial lunar eclipse of 2013 April 25


     The beginning of the eclipse  is  visible from Eurasia (except for extreme 
 northeast), Australia, Antarctica,  Africa and Madagascar,  Indian and a south-
 east part of Atlantic oceans.
     The end of the eclipse is visible from Eurasia (except a  northeast  part), 
 Australia, Antarctica, Africa and Madagascar, Indian and a southern part of At-
 lantic oceans.



                   Universal time of geocentric opposition
                                                     h  m  s
                in right ascension  2013, April 4, 20 33 46.4


                                                  Sun              Moon
                                                h  m  s          h  m  s
  Right ascension  . . . . . . . . . . . . .   2 13 55.467     14 13 55.474
                                                      s                s   
     Hourly motion . . . . . . . . . . . . .       + 9.438         +146.424
                                                o  '  "          o  '  "   
  Declination. . . . . . . . . . . . . . . . +13 26 56.19     -14 29 29.99 
                                                      "                "   
     Hourly motion . . . . . . . . . . . . .       +48.42          -537.47 
                                                      "          o  '  "   
  Equatorial horizontal parallax . . . . . .         8.74       1 00 02.15 
                                                   '  "             '  "   
  Apparent semidiameter  . . . . . . . . . .     15 53.74         16 21.57 



                         Circumstances of the Eclipse
                                                             Position Angles
                                                           of the Moon's axis
                                                          h  m        o
     Moon enters penumbra . . . . . . .     April 25,  18 01.6     21.21
     Moon enters umbra  . . . . . . . .                19 52.5     20.96
     Greatest eclipse . . . . . . . . .                20 07.6     20.92
     Moon leaves umbra  . . . . . . . .                20 22.3     20.89
     Moon leaves penumbra . . . . . . .                22 13.2     20.63

 --------------------------------------------
  Contacts¦  Position ¦The Moon being in the Zenith in
  of umbra¦   Angles  |----------------------
 with Limb¦  from the ¦          ¦             Magnitude of the eclipse          0.018
  of Moon ¦North Point¦ Latitude ¦ Longitude                                      "
 ---------|-----------|----------|-----------  Angular radius of the penumbra 4655.11
          ¦    o  '   ¦    o  '  ¦    o  '                                        "  
 First    ¦  21 54.8  ¦ -14 28.9 ¦  60 56.8 E  Angular radius of the umbra    2709.75
 Last     ¦   5 56.0  ¦ -14 33.4 ¦  53 46.0 E

--------------------------------------------------------------------------------
     ¦     ¦      ¦      ¦Magnitudes of ¦     ¦     ¦      ¦      ¦Magnitudes of
  T  ¦  s  ¦   d  ¦   P  |--------------¦  T  ¦  s  ¦   d  ¦   P  |-------------
     ¦     ¦      ¦      ¦umbral¦ penum.¦     ¦     ¦      ¦      ¦umbral¦ penum.
     ¦     ¦      ¦      eclipse¦eclipse¦     ¦     ¦      ¦      eclipse¦eclipse
-----|-----|------|------|------|-------|-----|-----|------|------|------|------
  h m¦    "¦      ¦    ° ¦      ¦       ¦  h m¦    "¦      ¦    ° ¦      ¦      
18 00¦ 5673¦ 2.095¦  64.2¦   -  ¦   -   ¦20 20¦ 3670¦ 1.354¦   7.2¦ 0.005¦ 0.996
   10¦ 5416¦ 2.000¦  61.9¦   -  ¦ 0.110 ¦   30¦ 3725¦ 1.375¦   1.9¦   -  ¦ 0.968
   20¦ 5169¦ 1.909¦  59.3¦   -  ¦ 0.235 ¦   40¦ 3810¦ 1.406¦ 356.9¦   -  ¦ 0.925
   30¦ 4933¦ 1.822¦  56.5¦   -  ¦ 0.355 ¦   50¦ 3923¦ 1.447¦ 352.1¦   -  ¦ 0.867
   40¦ 4710¦ 1.739¦  53.4¦   -  ¦ 0.469 ¦     ¦     ¦      ¦      ¦      ¦
   50¦ 4502¦ 1.662¦  50.0¦   -  ¦ 0.575 ¦21 00¦ 4062¦ 1.498¦ 347.6¦   -  ¦ 0.797
     ¦     ¦      ¦      ¦      ¦       ¦   10¦ 4224¦ 1.558¦ 343.4¦   -  ¦ 0.715
19 00¦ 4311¦ 1.592¦  46.3¦   -  ¦ 0.672 ¦   20¦ 4406¦ 1.625¦ 339.5¦   -  ¦ 0.622
   10¦ 4139¦ 1.528¦  42.3¦   -  ¦ 0.759 ¦   30¦ 4607¦ 1.699¦ 336.0¦   -  ¦ 0.521
   20¦ 3989¦ 1.473¦  38.0¦   -  ¦ 0.835 ¦   40¦ 4823¦ 1.779¦ 332.7¦   -  ¦ 0.411
   30¦ 3863¦ 1.426¦  33.3¦   -  ¦ 0.899 ¦   50¦ 5054¦ 1.863¦ 329.8¦   -  ¦ 0.294
   40¦ 3764¦ 1.389¦  28.4¦   -  ¦ 0.949 ¦     ¦     ¦      ¦      ¦      ¦
   50¦ 3694¦ 1.363¦  23.2¦   -  ¦ 0.985 ¦22 00¦ 5296¦ 1.953¦ 327.1¦   -  ¦ 0.171
     ¦     ¦      ¦      ¦      ¦       ¦   10¦ 5549¦ 2.046¦ 324.6¦   -  ¦ 0.042
20 00¦ 3654¦ 1.349¦  17.9¦ 0.014¦ 1.005 ¦   20¦ 5811¦ 2.142¦ 322.4¦   -  ¦   -  
   10¦ 3646¦ 1.346¦  12.5¦ 0.017¦ 1.008 ¦     ¦     ¦      ¦      ¦      ¦
                                         
   T - universal time (TDT-UT1= 67.0s);
   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.