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 08/05/2017

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.

2017 Meeting Dates and Programs at 7 p.m. (except as noted)

Jan 16 - Luke Corwin - Astronomy 4850 Feet Underground

Feb 20 - Don Teets - Messier Objects, The Night Sky's Hit Parade

Mar 20 - Wade Johnson - Planetary Nebulae, Observational History and Origins

Apr 17 - Richard Walker - Starry Skies & Moonlight (premier showing)  (A tax deductible donation of $2 or more is suggested to help support the Society's educational programs in the summer.)

May 15 - Frank Belinskey - The Total Solar Eclipse of August 21, 2017


June through August - Star Party Workshops are offered for free to the public on selected Friday nights. 


June 2 (Moon, Jupiter, Saturn)

June 16 (Galaxies)

June 30 (Nebulosity)

July 14 (Star clusters)

July 28 (Planetary Nebulae)

August 11 (Double Stars)

August 25 (various)


Sep 18 - TBA

Oct 16 - TBA

Nov 20 - TBA

Dec 18 - TBA



"Star Parties" and Other Events

Note:  The National Park Service put on the "Badlands Astronomy Festival" at the Badlands National Park on June 23-25.  You can see more information on this annual event at


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 or the moon is too near to 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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