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  • BBC Sky at Night

    DEEP-SKY TOUR

    Jul 16, 2020 3 minutes

    1 NGC 6888

    We begin with an unusual favourite, the Crescent Nebula, NGC 6888. This mag. +7.5 object sits 2.7° southwest of Sadr (Gamma (g) Cygni). A 250mm scope reveals the brightest section to resemble a weak light arc between the brightest and dimmest members of a mag. +7.2, +7.5 and +8.5 star triangle. Larger apertures extend the arc to the north of the western triangle star, WR 136. NGC 6888 represents the interaction between the fast stellar

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