Penumbral lunar eclipse of 2023, May 5

     The beginning of the eclipse is visible from Asia, Australia,  New Zealand,
 Madagascar, the western half of the Pacific and the Indian Oceans.
     The end of the eclipse is visible from  southern Asia,  Australia,  Europe,
 Africa, the Indian and eastern Atlantic oceans.

                   Universal time of geocentric opposition
                                                    h  m  s
                in right ascension  2023, May 5,  18 10 27.6

                                                  Sun              Moon
                                                h  m  s          h  m  s
  Right ascension  . . . . . . . . . . . . .   2 50 07.313     14 50 07.313
                                                      s                s   
     Hourly motion . . . . . . . . . . . . .       + 9.650         +131.182
                                                °  '  "          °  '  "   
  Declination. . . . . . . . . . . . . . . . +16 20 01.61     -17 24 40.66 
                                                      "                "   
     Hourly motion . . . . . . . . . . . . .       +42.58          -766.60 
                                                      "             '  "   
  Equatorial horizontal parallax . . . . . .         8.72         57 41.30 
                                                   '  "             '  "   
  Apparent semidiameter  . . . . . . . . . .     15 51.55         15 43.19 


                        Circumstances of the Eclipse
                                                             Position Angles
                                                           of the Moon's axis
                                                        h  m        o  
     Moon enters penumbra . . . . . . .      May  5,  15 11.9     15.97
     Greatest eclipse . . . . . . . . .               17 23.0     15.65
     Moon leaves penumbra . . . . . . .               19 33.6     15.32

 -----------------------------------------------
  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     |   71 58.8 │ -16 52.7 │ 129 42.4 E  
 Last      |  333 29.1 │ -17 49.0 │  66 28.5 E

 Magnitude of the eclipse          0.991
                                    "   
 Angular radius of the penumbra 4508.55 
                                    "   
 Angular radius of the umbra    2567.94 

------------------------------------------------------------------------------
  T  |  s  |   d  |   P  |Magnitudes ofI  T  |  s  |   d  |   P  |Magnitudes of
     |     |      |      |  penumbral  I     |     |      |      |  penumbral           
-----|-----|------|------|-------------I-----|-----|------|------|------------
  h m│    "│      │    o │             I  h m│    "│      │    o │             
15 10| 5520| 2.152|  72.3|      -      I17 30| 3586| 1.396|  19.7|    0.989    
   20| 5285| 2.060|  70.1|    0.086    I   40| 3616| 1.408|  14.8|    0.974    
   30| 5060| 1.972|  67.7|    0.206    I   50| 3672| 1.430|   9.9|    0.944    
   40| 4843| 1.888|  65.1|    0.321    I     |     |      |      |         
   50| 4638| 1.808|  62.2|    0.430    I18 00| 3754| 1.461|   5.2|    0.900    
     |     |      |      |             I   10| 3860| 1.502|   0.8|    0.844    
16 00| 4446| 1.733|  59.1|    0.532    I   20| 3988| 1.552| 356.6|    0.777    
   10| 4268| 1.663|  55.7|    0.627    I   30| 4136| 1.609| 352.7|    0.699    
   20| 4106| 1.600|  52.0|    0.713    I   40| 4301| 1.674| 349.1|    0.611    
   30| 3962| 1.544|  48.1|    0.789    I   50| 4483| 1.744| 345.7|    0.515    
   40| 3838| 1.495|  43.8|    0.855    I     |     |      |      |         
   50| 3737| 1.456|  39.3|    0.909    I19 00| 4679| 1.820| 342.6|    0.411    
     |     |      |      |             I   10| 4887| 1.901| 339.8|    0.301    
17 00| 3659| 1.425|  34.6|    0.950    I   20| 5106| 1.986| 337.2|    0.185    
   10| 3608| 1.405|  29.7|    0.977    I   30| 5334| 2.074| 334.8|    0.065    
   20| 3583| 1.395|  24.8|    0.991    I   40| 5571| 2.166| 332.7|      -      
                      
   T - universal time ( TDT - UT1 = 70.0s);
   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.