- Regional/ Asia/ Singapore/ Science and Environment/ Astronomy@ (12)
- Regional/ Europe/ Croatia/ Science and Environment/ Astronomy@ (2)
- Regional/ Europe/ Czech Republic/ Science and Environment/ Astronomy@ (1)
- Regional/ Europe/ Hungary/ Science and Environment/ Astronomy@ (4)
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- Regional/ Europe/ United Kingdom/ Science and Environment/ Astronomy@ (6)
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- Regional/ North America/ United States/ Science and Environment/ Astronomy@
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