Monthly Archives May 2019

Star Trails

Star Trails (photo by Carol Santulis)
Star Trails (photo by Carol Santulis)

Photo by Carol Santulis (MAS Member): It was a lovely night for a star-trail. EM1, 12mm/f/2.0, ISO 800, 6 sec, f/2 for 1.5 hours. It was super dewy but my new dew heater worked great at about 55 degrees F. Four meteor showers were to the east which gave me lots of entertainment.

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MAS June Monthly Meeting

The Milky Way and Its Dark Nebulae – Walter Piorkowski

Dark nebula against rich starfield


This talk covers how the Milky Way is portrayed in charts and atlases, how to plan for and observe dark nebula and how these objects are cataloged. I will also show a selection of my 2×3 degree fields of the DN and discuss the “low extinction” windows in the Milky Way.


About the Speaker:
Walter Piorkowski is an amateur telescope and instrument maker. He is the former President and member of the board (14 years) of the Chicago Astronomical Society and Alder Planetarium (Chicago), Evening Courses instructor 1972 – 1980. He was Technical Support Adviser to Oberlin College’s CUREA program at Mt. Wilson observatory. Walter also was an Astro-Physics Mount Assembly Supervisor for 28 years.

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