Astronomical Group of Western Australia (AGWA)
Phone: 08 9297 1135
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Website: www.btow.com.au/agwa.shtml

Astronomical Society of WA (ASWA)
Phone: 08 9299 6347
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Website: www.aswa.info

Mars Society Australia
Phone: 08 9295 6466
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Website: www.marssociety.org.au