It is encouraging to have peers who have same hobby. You can be taught how to observe the celestial bodies and have a new encounter as well.

Circles  Across-the-country astronomical clubs and circles

hokkaido

Polaris

http://www16.plala.or.jp/kohki/polaris/

kanto

PolarisOta Uchu-no-Kai(Ota Astronomical Club

http://www.sunfield.ne.jp/~oshima/hoshinokai/ota.html

Crescent Moon

http://c-moon.s3.xrea.com/

Seiten no Kai

http://seiten.world.coocan.jp/

Musashi Kyuryo National Government Park

http://www.ne.jp/asahi/tenmon/subaru/

Seiyuukai

http://homepage3.nifty.com/hosiasobi/

Kimitsu Astronomical Club

http://www5a.biglobe.ne.jp/~kimiten/

Kawagoe Astronomical Club

http://kawaten.hp.infoseek.co.jp/

Toda Astronomical Club

http://toda-ten.hp.infoseek.co.jp/toda.html

Katsusika City Museum Star Watching Staff

http://www.city.katsushika.lg.jp/museum/volas-top.html

Touyo Astronomical Club

http://homepage2.nifty.com/~kanemasa/toyoten/index.html

Hachioji Astronomical Club

http://homepage2.nifty.com/numajiri/h_astro.html

Astronomical Club PLEIADES-HP

http://homepage1.nifty.com/HP-PLEIADES/index.html

Astronomical Club Zama

http://www.h4.dion.ne.jp/~nsw/

Hoshi Culb Yokohama

http://www.hoshi-club-yokohama.org/

Yokosuka Space Association

http://sukaten-net.rakurakuhp.net/

Chubu-Koshinetsu

Manten no Hoshi Tomonokai

http://mantenboshi.jp/

Toyama Astronomy association

http://www.toyama-tenmon.com/

Hamamatsu Astronomical society

http://www7a.biglobe.ne.jp/~haa/

Gotenba Astronomical Circle

http://homepage3.nifty.com/gac/

Shizuoka Astronomical Society

http://www.mars.dti.ne.jp/~k-okano/index.html

Astronomical Club southerncross

http://homepage3.nifty.com/scross-nagoya/

Kumano Astronomical Club

http://www.ztv.ne.jp/mars/

Kinki

Association of Lunar and Planetary Observers in Japan

http://alpo-j.asahikawa-med.ac.jp/

Yamashiro Astronomical Club

http://www.yaa-net.com

Nishinakasuji Astronomical Association

http://www.d1.dion.ne.jp/~ueharas/seiten/

Toyonaka Astronomical Society

http://www.toyoten.com/

Astronomical Circle Manten no Hoshi

http://www.skyfull-stars.jp/

Kakogawa Space Science

http://www2.117.ne.jp/~kss-hosi/

Hoshi Nakama ☆ Himeji

http://www.h5.dion.ne.jp/~hoshi52/

Nishiwaki Astronomical Club

http://www.city.nishiwaki.hyogo.jp/terra/

Himeji Astronomical Club

http://homepage1.nifty.com/himeten/

Hoshinoko Kira-Kira Club

http://www.city.himeji.hyogo.jp/hoshinoko/kansoku/kirakira/index.html

Chugoku

Bisei Star Watching Club

http://www.bao.go.jp/swc/annai.htm

Saji Astro Park Club

http://www.saji.city.tottori.lg.jp/saji103/index.htm

Kyusyu

Yobiko Astronomical Club

http://ww7.tiki.ne.jp/~takapon/YAC/

Nagasaki Astronomical Society

http://www1.odn.ne.jp/~aaw13730/