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Report p.482, Feb. 5, 1844: Meridian Transit of the Sun |
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Double altitudes |
70° 04' 45" |
The lower limb of the sun reflected in the artificial horizon +52" index error |
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True Central Altitude |
35° 17' 49" |
1/2 the above plus the semi-diameter of the sun |
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Finding the declination for the date and longitude |
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Bowditch 2/5/44 |
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16° 05' |
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16° 05' |
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Bowditch 2/6/44 |
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15° 47' |
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00° 06' |
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00° 18' |
÷ 3 = 6' |
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15° 59' |
The declination adjusted for W120° |
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Calculating the height of the sun for the date and latitude and longitude |
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89° 60' |
Alt of pole |
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38° 42' |
Latitude |
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51° 18' |
compliment |
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15° 59' |
declination |
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35° 19' |
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00° 01' 14" |
refraction and parallax |
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35° 17' 46" |
true central altitude of sun |
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