Term Day Observations. 



168 



Sepcember 15, 1882. 



4i = + 62° 38' 52". 



Horizontal Intensity. 



0-07000 (CG.S.) + 



Minutes. 



25 



3o 

 35 

 40 

 45 

 5o 

 55 



Midnight. 



652 

 662 



675 

 691 



701 

 710 

 704 

 6;o 

 662 

 668 



677 

 666 



1 a.m. 



10 



681 



683 

 681 

 70S 

 701 

 695 

 699 

 691 

 691 

 67S 

 691 

 679 



677 

 674 

 685 

 689 

 699 

 699 

 691 

 675 

 668 

 679 

 672 

 681 



683 

 677 

 668 

 670 

 666 

 662 

 658 

 662 

 668 



67+ 

 695 



670 



668 



672 

 670 

 674 

 672 

 6S9 

 672 

 664 

 654 

 670 

 674 

 662 



683 

 689 

 65i 

 670 

 666 

 656 

 691 

 6S9 

 652 

 635 

 63i 

 649 



54S 

 546 



574 

 525 



4S7 

 459 



424 

 666 

 589 

 672 

 620 

 586 



589 

 6o5 

 63o 

 622 

 544 

 5o6 

 5oo 

 53i 

 487 

 538 



517 

 6,4 



589 

 612 



459 

 388 

 292 

 338 

 390 

 55o 

 570 

 278 

 214 

 173 



3i8 

 342 

 324 

 327 

 468 

 412 

 368 

 401 

 576 

 58o 

 610 

 544 



546 

 6o3 

 618 

 601 

 584 

 6o3 

 622 

 6o5 

 622 

 614 

 628 

 607 



Declination. 



39° + 



5 

 10 



i5 



20 



25 



3o 

 35 

 40 



45 

 5o 

 55 



1 25 

 24 

 20 



iS 

 21 

 29 

 28 

 29 

 28 

 32 



27 



26 

 28 

 26 

 26 



25 



32 



3i 



32 



35 

 36 

 29 

 3o 



32 



33 

 3o 

 3o 



28 



25 



28 

 28 



32 



3o 

 3o 

 29 



27 

 29 

 3o 

 21 

 21 



34 

 33 

 33 



32 



3o 

 28 

 26 



2+ 

 28 

 2S 

 29 



34 

 35 



34 

 3i 

 26 

 26 



29 



34 

 42 

 58 

 II 

 59 



4 

 54 

 57 

 48 

 16 



3 



59 

 52 

 48 

 40 

 9 

 19 



39 

 "9 



54 



37 

 3o 

 23 

 26 

 48 



29 

 29 

 58 



54 

 o 



9 

 ^9 



+ 41 



o 3o 



o 57 



57 



1 o 



I 4 



1 29 



48 

 5o 



12 

 5i 



47 

 24 . 



32 



4 



3 

 5o 

 12 

 10 

 21 

 3o 



Vertical Intensity. 



0-6100 (CG.S.) 



11 



576 

 597 

 599 

 584 



S67 



538 

 559 

 54S 



544 

 53+ 

 538 



5l2 



36 



23 

 25 



34 

 37 

 48 



49 

 40 

 36 



44 

 41 

 43 



Auroral Observations. 



Faint light in S.E. to 80° alt.l 



Ai-cli (1) S.E. to N.W., brighest in S.E., alt. to li°. 



Light more diffused, faint streamers in N-W. „ . . 



Very indistinct arch, S.E. through Cassiopeia and y and 6 Ursse Majons. 



Arch brighter, lower edge, through Capella, sharply defined. 



A contused mass ot curtain-shaped aurora (1) below arch, on horizon to E.S.E. 



Above aurora brighter and moving to E. ,, .r., ,, „, . ■ 



The Pleiades now in the centre of this patch of aurora, more aurora in N.\v., tliree parallel cm-tains. 



Narrow streak of aurora, from near p Pegasi through zenith to within 10° of Arcturus. _ 



Curve of aurora from N.N.W. on horizon through j and rj Ursie JIajoris to the E. of Cassiopeia. . 



Bright patch of aurora between Cassiopeia and Saturn, wave of bright light moving towards Ursa Major. ,„ ,, . . ht -nr ■ i . ..ti„„ \i„- _•„ 



A sniall imtch of rapidly-moving aurord with faint vertical streamers near the horizon, below and to the N. of Capella. Aurora m N.W. passing between f Ursa; Majuns 



and Arcturus and above Ursa Major to C.-issiopeia, moving to S., tlirough zenith at 5.67, through a Lyne at 6.2. 

 Another areh hall-wav between Ursa Major and horizon Ce). 



Small natch (2) near Arcturus ; the rest of the arch bas a striated structure. . , ^ • • j ..tt ■»••■. -nt ■«» 



A7ch froin horizou to Arcturus, and from Aquila to Pegasus, and 10° above S.E. horizon; another from latter point, through Cassiopeia and fUrsse Majoris to >.AV. 



horizon ; an irregular curve from Cassiopeia through Taurus towards S.E. horizon ; all moving slowly. towards S.W. 



Streamers on horizon to E. , ^ „., c ^.r » * i. • 



Aurora on E. horizon, increasing, striated and with rapid motion, other arches less bright southernmost now 8° S.W. of Altair. 



Cloud of aurora 20° to 30° in width, in zeiiitli and to S.E., S., and N.W. 



Sky more or less covered with faint aurora, except in S.W. from horision to about 12° alt. 



Aurora rather brighter and extending from zenith to E. and S. to 30" alt., fainter in N. and W. 



Ai-ch (1) from N.W. to S.E. through zenith. C.6S. Arch ('6) from N.W. to E. 



