M 14

About image 

M14 is a globular cluster in the constellation of Ophiochus, with magnitude 7.6 and diameter 11'.
Elliptical in shape, it is 30,000 light years away from us and is characterized by a low concentration of stars even towards the center.
Its brightest stars are of magnitude 14.
(text adapted from Wikipedia)

Technical data
Optic         GSO RC12 Truss - Aperture 304mm, focal lenght 2432mm, f/8
Mount       10Micron GM2000 HPSII
Camera        ZWO ASI 2600 MM Pro with filter wheel 7 positions
Filters        Astrodon Gen2 E-Serie Tru-Balance 50mm unmounted RGB  
Guiding system   ZWO OAG-L with guide camera ASI 174MM Mini
Exposure details    R 40x60" bin3 -15C
            G 40x60" bin3 -15C
          B 40x60" bin3 -15C
Total integration  2h
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, Photoshop CS5
SQM-L       19.8    
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date           16 July 2022


© Roberto Marinoni 2019 - All rights reserved