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LDN 778 in Vulpecula

LDN 778 in Vulpecula

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The central area of this image is covered by a dark nebula complex designated by several catalogue numbers. The most prominent part is labeled LDN 778, but the complex also consists of LDN 779, LDN 781, LDN 782, LDN 783, LDN 784 and LDN 786, which are smaller structures surrounding it. This is a large-area object: the whole field of view measures 2.3° × 1.6°. A dark nebula is a type of interstellar cloud that is so dense that it obscures the visible wavelengths of light from objects behind it, in this case the numerous background stars of the Milky Way. LDN stands for Lynds' Dark Nebula Catalogue, published in 1962.

The reflection nebula RNO 110 = Cohen 110 = GN 19.24.6 is embedded in this dark nebula complex.

The LDNs near the lower right corner belong to the nebula complex around van den Bergh 126.

The brightest stars in this image are HIP 96184 near the left (eastern) edge and HIP 95665 near the upper (northern) edge, of magnitudes 7.8 and 8.0, respectively.

Vulpecula and Sagitta, zoom lens photograph.


Exposure Data


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© 2021 Walter Koprolin