{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Using Commercial Amateur Astronomical Spectrographs (The Patrick Moore Practical Astronomy Series)","author_name":"Jeffrey L. Hopkins","thumbnail_url":"https://www.ebooknetworking.net/books/331/901/big3319014412.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3319014412.html\">Using Commercial Amateur Astronomical Spectrographs (The Patrick Moore Practical Astronomy Series)</a>","width":400,"height":300}