Summary

Joecool

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Posts:
57 (0.175 per day)
Age:
N/A
Date Registered:
August 17, 2019, 11:19:52 AM
Local Time:
July 09, 2020, 03:43:10 AM
Last Active:
May 24, 2020, 06:04:13 AM
Signature:
Astronomer, photographer, and astro-photographer for 51 years. Satellite observer for 3 years, satellite builder in the 80's. Telescope maker and familiar with optical theory and designs. Machinists and machine tool programmer.