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