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bellavia99: Helixnebula-NGC7293-Ha-092317-092417-stv130edt-f5-Atik414ex-300secsubs-170mintotal
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bellavia99: Helix Nebula_NGC 7293_Aug-30-2016_6-in_f4_modified_Newt_MPCC_Canon_SL1_18x300_sec_ISO_1600_resized
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bellavia99: Helix Nebula_NGC7293_Barnett_09_23-24_2017_Bellavia_08_30_2017
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bellavia99: Helix_Sep_29-30_2018_Borg_90FL_f4_ZWO_ASI183M_Ha+OIII_210min_B_flipH
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bellavia99: Helix_Sep_29-30_2018_Borg_90FL_f4_ZWO_ASI183M_Ha+OIII_225min_G-SFF
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bellavia99: Helix_Barnett-Bellavia_3_RC