NGC 7293 - alias Helix wide field, Riccardo A. Ballerini

NGC 7293 - alias Helix wide field

NGC 7293 - alias Helix wide field, Riccardo A. Ballerini

NGC 7293 - alias Helix wide field

Equipment

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Comments

Histogram

NGC 7293 - alias Helix wide field, Riccardo A. Ballerini