IV. Partial lunar eclipse of 2012 June 4 The beginning of the eclipse is visible from south-western Northern, Centr- al and western South Americas, Antarctica, Australia, New Zealand, Pacific oce- an. The end of the eclipse is visible from the extreme east of Asia, Antarcti- ca, Australia, New Zealand, eastern Indian and Pacific oceans. Universal time of geocentric opposition h m s in right ascension 2012, June 4, 11 01 30.7 Sun Moon h m s h m s Right ascension . . . . . . . . . . . . . 4 51 33.023 16 51 33.028 s s Hourly motion . . . . . . . . . . . . . +10.289 +162.427 ø ' " ø ' " Declination. . . . . . . . . . . . . . . . +22 30 15.51 -21 39 54.56 " " Hourly motion . . . . . . . . . . . . . +16.81 - 59.19 " ø ' " Equatorial horizontal parallax . . . . . . 8.67 1 01 02.26 ' " ' " Apparent semidiameter . . . . . . . . . . 15 45.89 16 37.94 Circumstances of the Eclipse Position Angles of the Moon's axis h m ø Moon enters penumbra . . . . . . . June 4, 8 46.4 8.80 Moon enters umbra . . . . . . . . 9 59.4 8.49 Greatest eclipse . . . . . . . . . 11 03.2 8.21 Moon leaves umbra . . . . . . . . 12 07.0 7.93 Moon leaves penumbra . . . . . . . 13 20.0 7.61 -------------------------------------------- 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 | 144 36.8 ³ -21 46.7 ³ 150 54.3 W Last | 217 37.8 ³ -21 48.8 ³ 178 32.1 E Magnitude of the eclipse 0.372 " Angular radius of the penumbra 4708.48 " Angular radius of the umbra 2779.49 -------------------------------------------------------------------------------- | | | |Magnitudes of³³ | | | |Magnitudes of T | s | d | P |-------------³³ T | s | d | P |------------- | | | |umbral| penum.³ | | | |umbral| penum. | | | eclipse|eclipse³ | | | eclipse|eclipse -----+-----+------+------+------+------++-----+-----+------+------+------+------ h m³ "³ ³ ø ³ ³ ³³ h m³ "³ ³ ø ³ ³ 8 40³ 5900³ 2.120³ 113.7³ - ³ - ³³11 10³ 3030³ 1.090³ 177.5³ 0.374³ 1.341 50³ 5599³ 2.012³ 115.6³ - ³ 0.055³³ 20³ 3078³ 1.108³ 184.0³ 0.350³ 1.317 ³ ³ ³ ³ ³ ³³ 30³ 3166³ 1.139³ 190.3³ 0.306³ 1.273 9 00³ 5304³ 1.907³ 117.6³ - ³ 0.203³³ 40³ 3289³ 1.183³ 196.2³ 0.245³ 1.211 10³ 5017³ 1.804³ 119.9³ - ³ 0.346³³ 50³ 3444³ 1.239³ 201.6³ 0.167³ 1.134 20³ 4739³ 1.704³ 122.5³ - ³ 0.486³³ ³ ³ ³ ³ ³ 30³ 4472³ 1.608³ 125.4³ - ³ 0.619³³12 00³ 3627³ 1.305³ 206.5³ 0.075³ 1.042 40³ 4218³ 1.517³ 128.7³ - ³ 0.746³³ 10³ 3834³ 1.380³ 211.0³ - ³ 0.938 50³ 3979³ 1.431³ 132.3³ - ³ 0.866³³ 20³ 4061³ 1.461³ 214.9³ - ³ 0.824 ³ ³ ³ ³ ³ ³³ 30³ 4306³ 1.549³ 218.4³ - ³ 0.702 10 00³ 3758³ 1.352³ 136.4³ 0.010³ 0.976³³ 40³ 4564³ 1.643³ 221.5³ - ³ 0.572 10³ 3559³ 1.280³ 141.0³ 0.110³ 1.076³³ 50³ 4835³ 1.740³ 224.3³ - ³ 0.436 20³ 3385³ 1.218³ 146.1³ 0.197³ 1.163³³ ³ ³ ³ ³ ³ 30³ 3241³ 1.166³ 151.7³ 0.269³ 1.235³³13 00³ 5116³ 1.841³ 226.7³ - ³ 0.296 40³ 3130³ 1.126³ 157.7³ 0.325³ 1.291³³ 10³ 5405³ 1.945³ 229.0³ - ³ 0.151 50³ 3056³ 1.100³ 164.1³ 0.361³ 1.328³³ 20³ 5701³ 2.052³ 230.9³ - ³ 0.002 ³ ³ ³ ³ ³ ³³ 30³ 6004³ 2.161³ 232.7³ - ³ - 11 00³ 3023³ 1.087³ 170.8³ 0.378³ 1.345³³ ³ ³ ³ ³ ³ 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.