Messier 53
![Arxiv:2008.01424V2 [Astro-Ph.GA] 6 Aug 2020 About 1 Light Year (Chandrasekhar 1942; Smail 2020)](http://data.docslib.org/img/264x/3a23077d9b68bb655c69c9cbd53df48e.webp)
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- Astronomer's Pocket Field Guide
- Guide D'observation Des Amas Globulaires
- AOH OBSERVER Spring 2018
- RR Lyrae Variables in Messier 53: Near-Infrared Period–Luminosity Relations and the Calibration Using Gaia Early Data Release 3
- Arxiv:2012.13495V2 [Astro-Ph.SR] 20 Jan 2021
- Appendix: Books, Magazines, and Organizations
- Is a Globular Cluster in the Coma Berenices Constellation
- Publications of the David Dunlap Observatory University of Toronto
- MESSIER OBJECTS LIST AK, from Wikipedia M No, NGC No
- July / Aug 2017 Registered Charity No
- Publications of the David Dunlap Observatory- University of Toronto
- The Topic of Degeneracy Is a Very Important One, Especially in the Later Part of a Star's Life
- Stellar Dynamics and Structure of Galaxies Systems with Anisotropic Velocity Distributions Star Clusters Modelling Cluster Evolution