Black Hills Astronomical Society
Meetings and Activities
Meetings are held on the dates listed below (third Mondays, September through May) starting at 7:00 p.m.
at the Journey Museum, 222 New York Street.
and Star Parties are held on selected Friday evenings at the Hidden Valley Observatory
starting at dusk (about 9 PM in the summer, 7 PM in the fall) unless the sky is cloudy. Specific dates are listed below
This page last updated 10/16/2019
Our regular meetings are held at 7 p.m. at the Journey Museum on 3rd Mondays each month in September through May, and usually begin with a program of interest to the general public and the members. Following the program, we hold our business meeting at which interested members of the public are welcome.
2019 Public Meeting Dates and Programs at 7 p.m. (except as noted)
Sep 16 - Our public meeting on Monday, September 16 will be held at the Hidden Valley Observatory (map and directions at http://ggladfelter.net/BHAS/HVO_Map.htm) from 7 PM to 8 PM. We will be demonstrating the use of telescopes and provide viewing of Saturn and Jupiter. If the sky is cloudy we will rely on video projection for our presentation at the HVO.
Oct 21 - George Gladfelter: “What’s Up There to be Seen, and How Do I See It or Image It?"
Nov 18 - Rodney Michael, MD, "Asteroid Imaging - The 4 Vesta Project"
Dec 16 - Members' Party
2020 Public Meeting Dates and Programs at 7 p.m. (except as noted)
Jan 20 - Jupiter and Its Satellites - Information Gathered by the Galileo Probe (A presentation by Frank Belinskey delivered by George Gladfelter)
Feb 17 - TBA
Mar 16 - TBA
Apr 20 - TBA
May 18 - TBA
June through August - Star Party Workshops are offered for free to the public at the Hidden Valley Observatory on selected nights.
Sep 21 - TBA
Oct 19 - TBA
Nov 16 - TBA
"Star Parties" and Other Events
Our Star Party Workshops are held on scheduled Friday evenings in the summer at the Hidden Valley Observatory starting at dusk unless the sky is cloudy but normally not if the moon is too near to being full. There is no charge for these public events, but donations are welcome.
All observing sessions are always contingent on the weather. Click on the following link to check seeing conditions for the next 30 hours or so: Hidden Valley Observatory "Clear Sky Clock"
For directions to the Hidden Valley Observatory click here.
For more information on our workshops, and observing session etiquette click here.
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