Table 4 – Image Analysis of the Umbra
Using images captured from a Panasonic NV-GS15 Video camera
 with measured size in degrees using Digimizer
 
                     
Date Measured Fi Type Moon's Semi-diameter F2
First Contact Second Contact Mid Third Contact Fourth Contact
2006 Sep 7/8 0.774 no measure 0.774 no measure 0.774 Partial 0.2787 0.7742
2007 Mar 3 0.510 0.650 no measure 0.520 0.450 Total 0.2476 0.6535
2007 Aug 28 0.568 0.691 no measure 0.735 0.544 Total 0.2701 0.7429

 
Legend for Table 4
 
Measured Fi is the umbral semi-diameter measured with Digimizer
Measured value near the time of  first contact, etc
Semi-diameter of the Moon as used to calibrate all measured images
  F2 is the constant value of the expected umbral semi-diameter