| Name: | Astronomical Institute of the Rockies |
| Address: | 451 Washington St., Helena, MT 59901 USA |
| Contact: | Dan Nelson |
| Phone: | 406-442-8736 |
| Email: | |
| URL: | |
| Members: | 20 members |
|
| Name: | Battle Point Astronomical Assn. |
| Address: | P.O. Box 10914, Bainbridge Island, WA 98110 USA |
| Contact: | |
| Phone: | |
| Email: | |
| URL: | |
| Members: | 200 members |
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| Name: | Boeing Employees' Astronomical Society |
| Address: | PO Box 3703, Seattle, WA 98124 USA |
| Contact: | John V. Bembers |
| Phone: | 425-294-1717 |
| Email: | president@boeingastro.org |
| URL: | |
| Members: | 120 members |
|
| Name: | Columbia Gorge Astronomers |
| Address: | 513 C St. #3 Washougal WA. 98671 |
| Contact: | Mike Gimmey |
| Phone: | 360-600-1058 |
| Email: | mgimmey@comcast.net |
| URL: | |
| Members: | |
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| Name: | Eastern Missouri Dark Sky Observers |
| Address: | 37 Tiffany Lane, Washington, MO 63090 USA |
| Contact: | Rick Schwentker |
| Phone: | 314-239-7196 |
| Email: | rschwent@is.usmo.com |
| URL: | |
| Members: | 35 members |
|
| Name: | Eastside Astronomical Society |
| Address: | The Friends of the Planetarium, P.O. Box 7482, Bellevue, WA 98008-1482 USA |
| Contact: | Judy Mason |
| Phone: | 425-746-4077 |
| Email: | info@eastsideastro.org |
| URL: | |
| Members: | 135 members |
|
| Name: | Everett Astronomical Society |
| Address: | PO Box 12746, Everett, WA 98206 USA |
| Contact: | Mark Folkerts |
| Phone: | |
| Email: | |
| URL: | |
| Members: | 60 members |
|
| Name: | Friends of Galileo Astronomy Club |
| Address: | 175 Scenic View Dr., Longview, WA 98632 USA |
| Contact: | Becky Kent |
| Phone: | 360-577-4193 |
| Email: | beckykt@adelphia.net |
| URL: | |
| Members: | |
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| Name: | Maple Valley Astronomical Society |
| Address: | 21647 SE 256th Place |
| Contact: | Jim Love |
| Phone: | (425) 413-5302 |
| Email: | jim@maplevalleywa.com |
| URL: | |
| Members: | |
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| Name: | National Deep Sky Observer's Society |
| Address: | 1607 Washington Blvd., Louisville, KY 40242 USA |
| Contact: | Alan Goldstein |
| Phone: | 502-426-4399 |
| Email: | deepskyspy1@cs.com |
| URL: | |
| Members: | 100 members. L |
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