Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  M 39  ·  NGC 7092
M39 Open Cluster (LRGB) - 24 October 2019, Geof Lewis
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M39 Open Cluster (LRGB) - 24 October 2019

M39 Open Cluster (LRGB) - 24 October 2019, Geof Lewis
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M39 Open Cluster (LRGB) - 24 October 2019

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Description

This image of M39, which I needed for my personal Messier list, was taken with my QSI583 camera through the 4" APO using my new 2" nose and extension tube fitted to the QSI's STL 2.156" faceplate that I've only previously been able to use with the C14 and Optec telecompressor lens. The 2.156" faceplate affords a wider opening than the standard T-ring faceplate, but more importantly for me, it means that I can much more easily swap the camera between the 2 scopes.

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M39 Open Cluster (LRGB) - 24 October 2019, Geof Lewis