すみひろ~@うちゅう is a user on mastodon.cosmicanimal.jp. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
すみひろ~@うちゅう @sumihiro_sakaki
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明日からの 問題
低緯度地域でも が見えるかもな