Celestial hemisphere:  Northern  ·  Constellation: Delphinus (Del)  ·  Contains:  NGC 6934
Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails, Geoff Scott
Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails
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Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails

Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails, Geoff Scott
Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails
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Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails

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It is quite common to get a satellite trail in one or more images in a series of images used to create a 'stack' for processing and these get statistcally removed from the stacked image. I've uploaded this single image as a particually interesting example as it contains two satellites and they appear to be on perendicular paths... quite a coincidence I'd have thought!

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Caldwell 47 - NGC6934 - Globular Cluster in Delphinus with two perpendicular satellite trails, Geoff Scott