James Janusz 2000 thru 2018 All Rights Reserved
Telescope: Astro-Physics 160 EDF Designation: Messier 23 (also known as NGC 6494) is an open cluster in the constellation Sagittarius. It was discovered by Charles Messier on June 20, 1764. M23 is at a distance of about 2,150 light-years away from Earth, its radius is around 15-20 light years. There are some 150 identified members in this cluster, the brightest being of magnitude 9.2. M23 can be found with a modestly sized telescope in the rich starfields of the Sagittarius Milky Way. wIKI.
Mount: Astro-Physics AP1600 GTO Constellation: Sagittarius
Camera: SBIX STX 16803 with Astrodon Ver. 2 Filters Remotely Imaged With CCD Commander
Guiding:SBIG ST402 Guider Type: Open Cluster
Exposure Data: RGB 80 Mins. each. Position: R.A. 17 hr 58 min , Dec -19 01
Processed using Maxim data aquisition, PixInsight and PhotoShop image processing Date: May 2017
Data Acquisiton, Reduction and Processing by Jim Janusz Imaging Location: Cave Creek Canyon Observatory