Cavin, Jerry D., author
The amateur astronomer’s guide to the deep-sky catalogs
Springer, 2012
eBooks
Muirden, James, author
The amateur astronomer's handbook
Crowell, 1968
Buku Referensi
A field guide to deep-sky objects / Michael D. Inglis
Springer, 2012
eBooks
Aranda, Ted
3,000 deep-sky objects : an annotated catalogue
Springer, 2012
eBooks
Nelson, Bonnie R.
A guide to published library catalogs / Bonnie R. Nelson
Scarecrow Press, 1982
Buku Referensi
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