这是用来记录我所作所为,所思所想的地方,对他人来说,不一定有意义。若能对阁下有帮助,便是我的惊喜,愿荣耀归上主!
Revisiting M13, M31, M110, M20, M107, NGC6366, IC4604, M14, M4, M80, M5
M4 is an easy target, right below Scorpion alpha and sigma, but is one of the splendid globular cluster
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