Total Solar Eclipse of 2009 Jul 22 - NASA Eclipse

Jul 22, 2009 - Local Circumstances at Maximum Eclipse. Sun Alt. = 50.2° Path Width = 245.5 km. Sun Azm. = 94.9° Duration = 05m36.3s. PA(N.Limit) = 17.6° ...
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FIGURE 20 - LUNAR LIMB PROFILE FOR JULY 22 AT 01:30 UT

Total Solar Eclipse of 2009 Jul 22 Moon/Sun Diameter Ratio = 1.0756

Moon at Maximum Eclipse (Topocentric Coordinates) R.A. = 08h06m15.5s Dec. = +20°16'24.6" S.D. = 00°16'55.9" H.P. = 01°02'11.2"

N

r the imit n L

North Moon

No r

Sun at Maximum Eclipse (Topocentric Coordinates) R.A. = 08h06m13.6s Dec. = +20°16'33.2" S.D. = 00°15'44.5" H.P. = 00°00'08.7"

000°

3 2 1 0

-1 -2

ith

-3

Contact Time Correction Scale

E

090°

2

Zen

d Thir act t n Co

Second Contact Time Correction Curve

1 0 -1 -2 Seconds

-2 -1 0 1 Seconds

Third Contact Time Correction Curve

ond Sec tact n Co

4

2

270°

W

Contact Time Correction Scale -3 -2 -1

(Center of Figure)

Mean Limb

3

180°

imit n L

2

Mean Limb

ther

1

True Limb

Sou

0

(Center of Mass)

S Geographic Position Name = Central Line 01:30 UT Lat. = 30°49'00.1"N Long. = 116°16'09.9"E Local Circumstances at Maximum Eclipse Elev. = 0.0 m Sun Alt. = 50.2° Path Width = 245.5 km Ephemeris & Constants Sun Azm. = 94.9° Duration = 05m36.3s Eph. = DE200/LE200 PA(N.Limit) = 17.6° A.Vel. (M:S) = 0.424"/s ΔT = 65.9 s k1 = 0.2725076 k2 = 0.2722810 0 1 2 3 4 5 0 1 2 3 4 5 Δb = 0.00" Δl = 0.00" Arc-Seconds Seconds

Calculated Center of Figure

Δb´ = -0.25" Δl´ = 0.47"

NASA 2009 Eclipse Bulletin, Espenak & Anderson

Eclipse Contacts C1 = 00:17:04.0 UT C2 = 01:27:12.4 UT C3 = 01:32:48.7 UT C4 = 02:50:28.6 UT

Limb Corrected Contacts

C2* = 01:27:09.6 UT ( -2.8s) C3* = 01:32:44.4 UT ( -4.4s) Topocentric Libration (Optical + Physical) l = 1.22° b = -0.01° c = 10.50°

NASA 2009 Eclipse Bulletin: “Total Solar Eclipse of 2009 July 22”, F. Espenak & J. Anderson