Planetary Calendar - The Night Sky Atlas

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March 2012
Su Mo Tu We Th Fr Sa
        1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
April 2012
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
May 2012
Su Mo Tu We Th Fr Sa
    1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
June 2012
Su Mo Tu We Th Fr Sa
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
             

April 17, 2012

Planets graphic image for April 17, 2012
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31 Days
Moon
Illum.
percent
Mercury
Elong.
degs
Mercury
Dist.
AU
Venus
Elong.
degs
Venus
Dist.
AU
Mars
Elong.
degs
Mars
Dist.
AU
Jupiter
Elong.
degs
Jupiter
Dist.
AU
Saturn
Elong.
degs
Saturn
Dist.
AU
Uranus
Elong.
degs
Uranus
Dist.
AU
Neptune
Elong.
degs
Neptune
Dist.
AU
Tues  17 16.6% 27.43 0.8310 44.12 0.5482 126.19 0.8421 19.53 5.9296 177.68 8.7345 20.69 21.0225 55.52 30.6054
Wed  18 9.9% 27.49 0.8458 43.90 0.5405 125.26 0.8489 18.79 5.9352 177.03 8.7350 21.62 21.0166 56.47 30.5914
Thurs  19 4.9% 27.50 0.8608 43.66 0.5329 124.34 0.8559 18.04 5.9406 176.19 8.7358 22.54 21.0105 57.43 30.5773
Fri  20 1.6% 27.46 0.8758 43.41 0.5253 123.43 0.8629 17.30 5.9458 175.26 8.7369 23.46 21.0041 58.38 30.5630
Sat  21 0.0% 27.37 0.8908 43.14 0.5178 122.53 0.8699 16.55 5.9508 174.29 8.7383 24.38 20.9974 59.33 30.5486
Sun  22 0.4% 27.24 0.9060 42.85 0.5102 121.65 0.8771 15.81 5.9556 173.30 8.7400 25.31 20.9905 60.28 30.5340
Mon  23 2.5% 27.07 0.9212 42.55 0.5027 120.78 0.8843 15.07 5.9602 172.29 8.7420 26.23 20.9834 61.24 30.5192
Tues  24 6.3% 26.85 0.9364 42.23 0.4953 119.91 0.8916 14.33 5.9646 171.27 8.7443 27.15 20.9760 62.19 30.5044
Wed  25 11.7% 26.60 0.9517 41.88 0.4879 119.06 0.8989 13.59 5.9689 170.25 8.7469 28.07 20.9683 63.14 30.4894
Thurs  26 18.5% 26.30 0.9670 41.52 0.4805 118.22 0.9062 12.85 5.9729 169.22 8.7498 28.99 20.9605 64.09 30.4743
Fri  27 26.6% 25.97 0.9823 41.14 0.4732 117.39 0.9137 12.12 5.9767 168.19 8.7530 29.91 20.9524 65.05 30.4590
Sat  28 35.7% 25.60 0.9976 40.73 0.4660 116.57 0.9211 11.38 5.9803 167.16 8.7565 30.83 20.9440 66.00 30.4436
Sun  29 45.7% 25.20 1.0129 40.30 0.4588 115.76 0.9287 10.65 5.9838 166.13 8.7603 31.76 20.9354 66.95 30.4282
Mon  30 56.1% 24.76 1.0281 39.85 0.4516 114.97 0.9362 9.91 5.9870 165.09 8.7644 32.68 20.9266 67.90 30.4126
Tues  1 66.7% 24.28 1.0434 39.37 0.4446 114.18 0.9438 9.18 5.9900 164.06 8.7688 33.60 20.9175 68.86 30.3969
Wed  2 76.8% 23.77 1.0586 38.87 0.4376 113.40 0.9515 8.45 5.9929 163.03 8.7735 34.52 20.9083 69.81 30.3810
Thurs  3 85.8% 23.23 1.0737 38.34 0.4306 112.63 0.9592 7.72 5.9955 161.99 8.7785 35.44 20.8987 70.76 30.3651
Fri  4 93.1% 22.65 1.0888 37.78 0.4238 111.87 0.9669 6.99 5.9980 160.96 8.7837 36.36 20.8890 71.71 30.3492
Sat  5 97.9% 22.04 1.1037 37.19 0.4170 111.12 0.9746 6.26 6.0002 159.93 8.7893 37.28 20.8791 72.67 30.3331
Sun  6 99.9% 21.39 1.1186 36.58 0.4104 110.38 0.9824 5.53 6.0022 158.89 8.7951 38.20 20.8689 73.62 30.3169
Mon  7 98.8% 20.72 1.1333 35.93 0.4038 109.65 0.9902 4.81 6.0041 157.86 8.8012 39.12 20.8585 74.57 30.3006
Tues  8 94.8% 20.00 1.1478 35.25 0.3973 108.92 0.9980 4.09 6.0057 156.83 8.8076 40.04 20.8479 75.52 30.2843
Wed  9 88.2% 19.26 1.1621 34.54 0.3909 108.21 1.0058 3.37 6.0072 155.80 8.8143 40.96 20.8371 76.48 30.2679
Thurs  10 79.7% 18.48 1.1762 33.80 0.3847 107.50 1.0137 2.66 6.0084 154.77 8.8212 41.88 20.8261 77.43 30.2515
Fri  11 69.9% 17.67 1.1900 33.02 0.3786 106.80 1.0216 1.97 6.0095 153.75 8.8284 42.80 20.8149 78.38 30.2349
Sat  12 59.5% 16.82 1.2035 32.21 0.3726 106.11 1.0295 1.31 6.0103 152.72 8.8359 43.72 20.8035 79.33 30.2184
Sun  13 49.0% 15.95 1.2166 31.35 0.3667 105.43 1.0374 0.80 6.0110 151.69 8.8436 44.64 20.7919 80.29 30.2017
Mon  14 38.9% 15.03 1.2292 30.47 0.3610 104.76 1.0453 0.79 6.0114 150.67 8.8516 45.57 20.7801 81.24 30.1850
Tues  15 29.5% 14.09 1.2414 29.54 0.3555 104.09 1.0533 1.29 6.0117 149.65 8.8599 46.49 20.7681 82.19 30.1683
Wed  16 21.0% 13.11 1.2530 28.57 0.3501 103.43 1.0612 1.94 6.0117 148.63 8.8684 47.41 20.7559 83.15 30.1515
Thurs  17 13.8% 12.11 1.2640 27.57 0.3448 102.78 1.0692 2.63 6.0116 147.61 8.8771 48.33 20.7435 84.10 30.1347

Elong. is a planet's elongation: the angle between the Sun and the planet. It measures the visual distance of a planet from the Sun, as seen from Earth, with values from 0 to 180° degrees. A planet with an elongation close to 180° is visible on the meridian at midnight local time.
Dist. is a planet's distance from the Earth in astronomical units (mean distance between Earth and Sun). Planets appear larger through a telescope when they are closer to the Earth for better viewing opportunities.
Graphic: the above image shows the Sun and planets on the ecliptic, with the exception of the Earth, the observer's location. Planets to the left of the Sun in the above graphic are visible after sunset, and planets shown to the right of the Sun are best visible before sunrise. Planets are not visible when they are too close to the Sun (elongation < 15°) except during total solar eclipses.