169 



Fort Eae. 



X = - 115° 43' 50" = - 7h. 42m. 55s. 



Gottingen Mean Time. 



September 15, 18S2. 



Horizontal Intensity. 



Noon. 



10 



11 



491 

 476 

 493 



533 

 534 

 540 

 53i 



534 

 53i 

 548 

 534 

 56i 



548 

 557 

 563 

 576 

 5So 

 607 

 57Z 

 5S9 

 589 

 584 



574 

 SSo 



593 

 593 

 614 



5l2 



628 

 612 

 628 



637 

 63o 

 635 

 65i 

 658 



647 

 647 

 65i 

 652 

 660 

 660 

 658 

 654 

 666 

 658 

 670 

 691 



693 

 679 

 687 

 697 

 701 

 6S9 

 681 

 675 

 687 

 691 

 685 

 685 



683 

 6S5 

 683 

 681 

 679 

 6S1 

 6-5 

 6-0 

 664 

 668 

 656 

 656 



660 

 .656 

 662 

 660 

 656 

 65i 

 647 

 65i 

 649 

 645 

 645 

 645 



645 

 639 

 647 

 645 

 647 

 643 

 65i 

 647 

 65i 

 65i 

 65i 

 65 1 



65i 

 65i 

 65i 

 65i 

 655 

 654 

 654 

 656 

 658 

 658 

 660 

 658 



645 

 649 

 65i 

 654 

 656 

 658 

 658 

 660 

 664 

 672 

 674 

 664 



656 

 670 

 649 

 639 

 624 

 620 

 626 

 614 

 618 

 620 

 63o 

 653 



645 

 635 

 632 

 626 

 635 

 6+1 

 643 

 649 

 65i 

 643 

 645 



58 

 o 

 5 



4^ 



52 



8 

 8 



57 

 53 



45 

 5o 



52 



Declination. 



56 

 55 

 58 

 48 

 58 

 55 

 I 

 7 



32 



33 



32 



3o 

 3o 

 3o 

 3o 

 28 

 28 

 38 

 3o 

 ^9 



28 

 28 

 3o 

 3o 

 3o 

 3i 

 3i 

 3o 



32 



Vertical Intensity. 



10 57 



Aiiroral Observations. 



Aurora very faint, except in S.E. 7.7. Aurora very dim in all directions. 



Arch on N.E. horizon passing between a and ^ Gemlnorum. Steady band of auroral light about 10'^ higher. 



The arch in E. has risen about 5^ and has almost disuppeiired 



faint auroral light in N. and S.W., about W filt. 7.33. Disappeared. 



Arch from N.W. to S.E. (2), crimson rinil vinhn colours, disappearing directly, except in N.^V., where it broke into patches (1), patches also in S.E. 



Serpentine aurora (1) from S.E. to N.W., iirisinatic (2) in N.W. 



Serpentine aurora disappeared exct'pt Irnni Ts'.W. zenith (3), prismatic in N.W. to 15° alt. 



Aurora disappeared, except a prismatic iialch (2) in N.W. ; faint patch in S.E. 



Became dim and almost disappcjirt'd except in N.W. 



Curtain-shaped aurora (2) in N.W. to alt 10^. 8.1. Ditto, formed into an arch (1) to S.E. 8.2. Ditto, brighter. 



Arch in zenith (1 ) N.E. to S.W. 8.5. Arch disappeared. 



Faint aurora from N. to S.E., 10^ alt. 



Broke up and became curtain-shaped from N.W. to S. and from N. to E. 



Aurora nearly disappeared except a patcli in N.E. 



Faint patches in S.E., N., and S.AV. H.21. Aurora disappeared. 



Arch (1) N. fo E. 8.28. Aurora entirely disappeared. 8.45. Auroral light in N. and several patches in zenith. 8.50. Faint patch in N.W. 



Auroral light in N.E. 9.7. Faint patch in N. and S.E. 0,13. Auroral light in N., 5° alt. i).17. Very faint patch on N.W. horizon. 



Auroral litrht in N., moving rapidly to E. 9.33, Ditto, disappeared except a patch in N. 



Auroral band from N. to E. 9.47. Faint patch in N.E. till lu.*2. 



Faint l.rind W. to N.E. in.lS. Faint patch in N. to N.W. 10.23. Very faint band S.E. to S.W. 10.30. Very faint, remained stationary till 10.56. 



Faint band Irora N.W. to E. 11.17. Auroral light hi N.W. 11.25. Faint band from W. to E. II.'IO. Very faint band S.W. to S.E. 



A 17420. 



