The Red Spot upon Jupiter


THE red spot on Jupiter has really disappeared. I have observed the planet again after conjunction. The region in which the red spot formerly was is now very white; it passed over the central meridian of the planet this morning at 4h. 36m. (M.T. at Palermo), which gives for this place the Jovicentric longitude 63°, plainly corresponding to the longitude that Mr. Marth assigned to the red spot at present, if visible. This proves that the neighbourhood of the red spot had followed the particular motion of the spot itself. This place is well characterised by the permanent depression in the great reddish band of the planet.

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RICCÒ, A. The Red Spot upon Jupiter. Nature 28, 487–488 (1883).

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