M19

M19
13 days ago
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M19

Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus. It was discovered by Charles Messier on June 5, 1764 and added to his catalogue of comet-like objects that same year. It was resolved into individual stars by William Herschel in 1784. His son, John Herschel, described it as "a superb cluster resolvable into countless stars". The cluster is located 4.5° WSW of Theta Ophiuchi and is just visible as a fuzzy point of light using 50 mm (2.0 in) binoculars. Using a telescope with a 25.4 cm (10.0 in) aperture, the cluster shows an oval appearance with a 3′ × 4′ core and a 5′ × 7′ halo.M19 is one of the most oblate of the known globular clusters.
SPECIFICATIONS
Telescope ..........................................................................................................................................................................................................................
Telescope
CHI-1
Camera ..........................................................................................................................................................................................................................
Camera
FLI PL9000
Location ..........................................................................................................................................................................................................................
Location
CHILI
Date of observation ..........................................................................................................................................................................................................................
Date of observation
03 Sep 2021
Filters ..........................................................................................................................................................................................................................
Filters
LRGB
Processing ..........................................................................................................................................................................................................................
Processing
StellaImage9 AffinityPhoto Denise Ai
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