| Mercury Elongation Depiction | Evening Elongation of April 26, 2009 | | | | Apr 12 4:33 PM 11.1° alt | Apr 15 4:33 PM 13.9° alt | Apr 18 4:33 PM 16.1° alt | Apr 21 4:33 PM 17.8° alt | Apr 24 4:33 PM 18.6° alt | April 27, 2009 Sunset: 4:33 PM 18.8° alt | Apr 30 4:33 PM 18.2° alt | May 3 4:33 PM 16.5° alt | May 6 4:33 PM 14.3° alt | May 9 4:33 PM 11.3° alt | May 12 4:33 PM 7.5° alt | -1.2 mV 5.64" 85% illum
| -1.0 mV 5.96" 76% illum
| -0.8 mV 6.36" 66% illum
| -0.5 mV 6.84" 55% illum
| -0.2 mV 7.4" 45% illum
| +0.3 mV 8.02" 36% illum
| +0.8 mV 8.71" 27% illum
| +1.4 mV 9.43" 20% illum
| +2.1 mV 10.17" 13% illum
| +3.0 mV 10.86" 8% illum
| +4.1 mV 11.47" 4% illum
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| Date | Sunset | Alt at Sunset | Sets At | Magnitude | Diameter | Phase Angle | Illum | Illum Arcsec | Tilt | Distance | | April 6, 2009 | 4:33 PM | 6.0 | | -1.7 mV | 5.2" | 20° | 97% | 21 | +0.0° NP | 120,123,024 | April 7, 2009 | 4:33 PM | 7.0 | | -1.6 mV | 5.3" | 24° | 96% | 21 | +0.0° NP | 118,921,344 | April 8, 2009 | 4:33 PM | 8.2 | | -1.5 mV | 5.3" | 28° | 94% | 21 | +0.0° NP | 117,593,567 | April 9, 2009 | 4:33 PM | 9.2 | | -1.5 mV | 5.4" | 32° | 92% | 21 | +0.0° NP | 116,141,004 | April 10, 2009 | 4:33 PM | 10.2 | | -1.4 mV | 5.5" | 37° | 90% | 21 | +0.0° NP | 114,566,698 | April 11, 2009 | 4:33 PM | 11.1 | | -1.3 mV | 5.5" | 41° | 88% | 21 | +0.0° NP | 112,875,483 | April 12, 2009 | 4:33 PM | 12.2 | | -1.2 mV | 5.6" | 45° | 85% | 21 | +0.0° NP | 111,073,952 | April 13, 2009 | 4:33 PM | 13.1 | | -1.2 mV | 5.7" | 50° | 82% | 21 | +0.0° NP | 109,170,350 | April 14, 2009 | 4:33 PM | 13.9 | | -1.1 mV | 5.8" | 54° | 79% | 21 | +0.0° NP | 107,174,371 | April 15, 2009 | 4:33 PM | 14.6 | | -1.0 mV | 6.0" | 58° | 76% | 21 | +0.0° NP | 105,096,897 | April 16, 2009 | 4:33 PM | 15.5 | | -1.0 mV | 6.1" | 63° | 73% | 21 | +0.0° NP | 102,949,690 | April 17, 2009 | 4:33 PM | 16.1 | | -0.9 mV | 6.2" | 67° | 69% | 21 | +0.0° NP | 100,745,061 | April 18, 2009 | 4:33 PM | 16.7 | | -0.8 mV | 6.4" | 71° | 66% | 21 | +0.0° NP | 98,495,548 | April 19, 2009 | 4:33 PM | 17.2 | | -0.7 mV | 6.5" | 76° | 63% | 21 | +0.0° NP | 96,213,620 | April 20, 2009 | 4:33 PM | 17.8 | | -0.6 mV | 6.7" | 80° | 59% | 21 | +0.0° NP | 93,911,423 | April 21, 2009 | 4:33 PM | 18.1 | | -0.5 mV | 6.8" | 84° | 55% | 20 | +0.0° NP | 91,600,586 | April 22, 2009 | 4:33 PM | 18.4 | | -0.4 mV | 7.0" | 88° | 52% | 20 | +0.0° NP | 89,292,074 | April 23, 2009 | 4:33 PM | 18.6 | | -0.3 mV | 7.2" | 92° | 49% | 20 | +0.0° NP | 86,996,098 | April 24, 2009 | 4:33 PM | 18.8 | | -0.2 mV | 7.4" | 95° | 45% | 19 | +0.0° NP | 84,722,077 | April 25, 2009 | 4:33 PM | 18.8 | | -0.0 mV | 7.6" | 99° | 42% | 19 | +0.0° NP | 82,478,636 | April 26, 2009 | 4:33 PM | 18.8 | | +0.1 mV | 7.8" | 103° | 39% | 19 | +0.0° NP | 80,273,631 | April 27, 2009 | 4:33 PM | 18.6 | | +0.3 mV | 8.0" | 106° | 36% | 18 | +0.0° NP | 78,114,209 | April 28, 2009 | 4:33 PM | 18.3 | | +0.4 mV | 8.2" | 110° | 33% | 18 | +0.0° NP | 76,006,862 | April 29, 2009 | 4:33 PM | 18.2 | | +0.6 mV | 8.5" | 113° | 30% | 17 | +0.0° NP | 73,957,509 | April 30, 2009 | 4:33 PM | 17.7 | | +0.7 mV | 8.7" | 117° | 27% | 16 | +0.0° NP | 71,971,560 | May 1, 2009 | 4:33 PM | 17.2 | | +0.9 mV | 8.9" | 120° | 25% | 15 | +0.0° NP | 70,053,990 | May 2, 2009 | 4:33 PM | 16.5 | | +1.1 mV | 9.2" | 124° | 22% | 15 | +0.0° NP | 68,209,402 | May 3, 2009 | 4:33 PM | 16.0 | | +1.3 mV | 9.4" | 127° | 20% | 14 | +0.0° NP | 66,442,082 | May 4, 2009 | 4:33 PM | 15.2 | | +1.6 mV | 9.7" | 131° | 17% | 13 | +0.0° NP | 64,756,044 | May 5, 2009 | 4:33 PM | 14.3 | | +1.8 mV | 9.9" | 134° | 15% | 12 | +0.0° NP | 63,155,067 | May 6, 2009 | 4:33 PM | 13.3 | | +2.1 mV | 10.2" | 137° | 13% | 11 | +0.0° NP | 61,642,721 | May 7, 2009 | 4:33 PM | 12.4 | | +2.3 mV | 10.4" | 141° | 11% | 10 | +0.0° NP | 60,222,381 | May 8, 2009 | 4:33 PM | 11.3 | | +2.6 mV | 10.6" | 144° | 9% | 8 | +0.0° NP | 58,897,227 | May 9, 2009 | 4:33 PM | 10.0 | | +3.0 mV | 10.8" | 148° | 8% | 7 | +0.0° NP | 57,670,240 | May 10, 2009 | 4:33 PM | 8.7 | | +3.3 mV | 11.1" | 151° | 6% | 6 | +0.0° NP | 56,544,180 | May 11, 2009 | 4:33 PM | 7.5 | | +3.7 mV | 11.3" | 154° | 5% | 5 | +0.0° NP | 55,521,564 | May 12, 2009 | 4:33 PM | 6.1 | | +4.1 mV | 11.5" | 158° | 4% | 4 | +0.0° NP | 54,604,626 | May 13, 2009 | 4:33 PM | 4.6 | | +4.5 mV | 11.6" | 161° | 3% | 3 | +0.0° NP | 53,795,284 | May 14, 2009 | 4:33 PM | 3.1 | | +4.9 mV | 11.8" | 165° | 2% | 2 | +0.0° NP | 53,095,093 | May 15, 2009 | 4:33 PM | 1.7 | | +5.4 mV | 11.9" | 168° | 1% | 1 | +0.0° NP | 52,505,211 | May 16, 2009 | 4:33 PM | 0.1 | | +999.0 mV | 12.0" | 172° | 1% | 1 | +0.0° NP | 52,026,355 | May 17, 2009 | 4:33 PM | -1.5 | | +999.0 mV | 12.1" | 175° | 0% | 0 | +0.0° NP | 51,658,777 |
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