NGC 6934

About image
NGC 6934 is a globular cluster in Delphinus constellation.
It has an apparent diameter of 7.1' and an integrated magnitude of 8.9, while its brightest stars are around magnitude 14.
Its estimated distance from the Earth is 48000 light years.
Even if it is a globular not so spectacular like many other ones of the summer sky, it is nevertheless interesting.

Technical data
Optic          GSO RC12 Truss - Aperture 304mm, focal lenght 2432mm, f/8
Mount        10Micron GM2000 HPSII
Camera         Moravian G3-16200 with external filter wheel 7 positions
Filters        Astrodon Gen2 E-Serie Tru-Balance 50mm unmounted LRGB
Guiding system    OAG Moravian M68 with guide camera Moravian G1-0301
Exposure details  L 25x300" bin2 -10C
                                    R 9x300" bin2 -10C
                                    G 9x300" bin2 -10C
                                    B 9x300" bin2 -10C
Total integration  4.3h
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, Photoshop CS5
SQM-L       21.30    
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date          5/29 July 2019

© Roberto Marinoni 2019 - All rights reserved