Earthmoon occults star Regulus on daylight sky

Tuesday, July 17, 2007

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On Tuesesday, July 17, 2007 the Earthmoon (9% lit) occults star Regulus on the bright daylight sky. In Woodquarter the occultation happens on southeast sky in an elevation of 9 degrees. In Woodquarter this occultation is a total one. The star will disappeare behind the dark side of the moon disk at 07h32 UTC and will reappear about 56 minutes later at 08h28 UTC on the bright moon limb. The sun will be than in an elevation of 49 degrees on southeast sky and in a distance of 36 degrees to the moon.

For a sucessfull observation of this occultation a telescope with at least 4 Inches (10cm) should be used. Never look in the sun with the telescope. Your eye would be damaged immediately and for ever.


Data table for total occultation in Woodquarter (all times in UTC)
Occultation Predictions for Nonndorf in Juli 2007
E.Long.   15 14  8.2   Lat.  48 47 13.5   Alt. 590m.   T.dia 250mm.   dMag 0.0

      day  Time   P   Star  Sp  Mag    % Elon Sun  Moon   CA   PA  VA  WA Libration   A   B   RV   Cct   R.A. (J2000)  Dec
 y  m  d  h  m  s      No  D       V  ill     Alt Alt Az   o    o   o   o   L    B   m/o m/o "/sec   o  h  m   s    o  m  s
07 07 17  7 31 58 D    1487SB7  1.4    9+  35  40  9  83  69N  89 131  70 +6.0 -0.6 +0.0+1.6 .475  +23 10  8 22.3  11 58  2
      1487 = Regulus = alpha Leonis                
      1487 is triple :   1.3  8.1  175"  308.0 :   1.3       217"  274.0
07 07 17  8 27 54 R    1487SB7  1.4    9+  36  48 19  93 -62N 318   0 299 +6.0 -0.6 +0.5+0.0 .443 +157 10  8 22.3  11 58  2
      1487 = Regulus = alpha Leonis                
      1487 is triple :   1.3  8.1  175"  308.0 :   1.3       217"  274.0
Table created with Occult3.6 from Dave Herald


The star occultation of Regulus in Woodquarter at the dark moon limb at 07:31:58 UTC
Start of star occultation of Regulus

 

The end of the star occultation of Regulus in Woodquarter at the bright moon limb at 08:27:54 UTC
End of the star occultation of Regulus
Diagrams created with Guide 8 from Bill J Gray


© 2007 G. Dangl
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14 June 2007
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