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tetsuya_A: IC434 HaRGB_starless
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tetsuya_A: SNR CTB1
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tetsuya_A: M81
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tetsuya_A: NGC3166
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tetsuya_A: NGC2170
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tetsuya_A: NGC1999
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tetsuya_A: ic417
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tetsuya_A: sh2_224
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tetsuya_A: M33
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tetsuya_A: Bubble nrbula
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tetsuya_A: WR134
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tetsuya_A: vdB123
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tetsuya_A: Lagoon Nebula(M8)
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tetsuya_A: Lagoon Nebula(M8)
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tetsuya_A: SH2-114（Flying Dragon nebla）
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tetsuya_A: IC59.63
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tetsuya_A: jellyfish nebula
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tetsuya_A: M81_82
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tetsuya_A: ngc2264
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tetsuya_A: IC434starless
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tetsuya_A: IC434
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tetsuya_A: wr134 Ha starless
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tetsuya_A: NGC663
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tetsuya_A: ic342
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tetsuya_A: M45
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tetsuya_A: NGC7023
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tetsuya_A: Sadr
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tetsuya_A: NGC2170
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tetsuya_A: Rosetta(NGC2244)
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tetsuya_A: NGC1333