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Durch Anbringung ganz unbedeutender Correctionen (z. B. = +9", Ap = -001035) an die genannten Elemente witrde der Fehler in der II. Erscheinung *) auf dl = -I " , A@ = -2 " herabgesetzt worden sein, wahrend die Darstellung der Beobachtungen von 1889 unverweicht dagegen der Rechnung = +43'5, d@ = +2'0:3 oder d a = +I", Ad = +2'7!8 ab; hier liegt wohl ein Fehler in der Declination vor. &Idert bliebe. Ebe Wiener Beobachtung vom 24* Oct. r889 ~ Beokachtung des Cometen 1898-. . (Perrine Marz 19). 1898 Aprile 3 1 5 ~4 1 ~1 4 ' t. m. Roma (Coll. Rom.) d a = +tm13!38 Ad = + I ' 2Po Cfr. 6.2 micr. filare Stella di confronto (1898.0): a = 2 ~~9 ~2 4 ? 1 4 +0?29 6 = + 3 i 0 26' 12fo -5514 AG. Leid. Z. 98,103.
Coda in 300'; nucleo 71/2 stellare esaminato con ingr. 300; la luna non permetteva di stimare la lunghezza ingr. 140 aapp. = 2 2 h 1 6 ~3 7 f 8 0 ( 9 . 7 1 1 ~) 6 app. = +31O 27' 81'6 (0.681).
della coda.
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This morning I made my fourth and last attempt to find Brorsen's Comet. The seeing was good, and using the 16in. glass with my comet eye piece giving a power of 132, and a field of 3r', I iearched carefully in the regions of its three computed places and saw nothing of it. Day light cut the search s