Table 3 : Penumbral Contact Timings (in UT)

Schmidt's penumbral contact timings (H.MS) with computed times

 

Date

OBS PC1

corrected

PC1

computed

CHANGE

OBS PC2

corrected

PC2

computed

CHANGE

1843 DEC 7




13.5756

13.4426


at Hamburg







1844 MAY 31

9.4720

20.1308


13.1130

1.2757


at Hamburg

21.0719


+0.5411

0.3129


-0.5628

1867 SEP 4

12.1900

21.4208


15.3700

3.1055


at Athens

22.4517


+1.0309

5.1043


+1.5948

1869 JAN 28

14.0442

23.1652


16.2154

3.5952


at Athens

24.3059


+1.1407

2.4811


-1.1141

1871 JAN 6

9.2031

18.2623


12.2211

0.0038


at Athens

19.4648


+1.2025

22.4828


-1.1210

1872 MAY 22

12.1400

21.0817


?

1.2819


at Athens

22.4017


+1.3200




1876 SEP 3

9.5212

18.4552


12.0437

23.5904


at Athens

20.1829


+1.3237

22.3054


-1.2810

1877 FEB 27

7.0330

16.3233


?

21.5835


at Athens

17.2947


+0.5714




1877 AUG 23

?

20.0213


?

2.2043


at Athens