NGC 99双鱼座的一个漩涡星系星等为13.3,赤经为23分59.6秒,赤纬为+15°46'12"。在1883年10月8日首次被发现。发现人是法国天文学家让·玛琏·爱德华·史提芬[1]

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NGC 99

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