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Documents Criteria for Candidates

Slide 1 + Criteria for Candidates Altitude > 40°; Apparent Magnitude > 14; Available Distance and Angular Radius; Available Spectra Introduction Planetary nebulae…

Documents Criteria for Candidates

Slide 1 + Criteria for Candidates Altitude > 40°; Apparent Magnitude > 14; Available Distance and Angular Radius; Available Spectra Introduction Planetary nebulae…