Observations of Triton and Proteus

Earth based observations of Proteus are made highly difficult by the magnitude difference with Neptune, and the closeness to the planet. To overcome these difficulties,...由于海卫八（Proteus）与海王星的星等差异显著，且其与海王星的距离极近，导致在地球上对其进行地基观测的难度极高。为克服上述观测难题……