Obituary: MNRAS 112, 271 (1952); PASP 64, 5 (1952)

Using Lick Observatory's 12" Clark-Refractor Aitken discoverd the Planetary Nebula IC 3568. While examinig Comet Borrelly-Brooks he found, that BD +83° 357 in Camelopardalis is surrounded by a small circular nebula. This was confirmed with the 36" Refractor the next night. IC 3568 was misclassified as a compact galaxy UGC 7731 in the Uppsala General Catalogue. The 12" was replaced in its dome by the 40" Nickel-Reflector in 1980.

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Title

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I

3568

1900

8

31

12,0

Rr

v

CAM

PN

3

Aitken, R.

A New Planetary Nebula

PASP 12, 198 (1900)