Bé-thâu Seng-hûn

Bé-thâu seng-hûn (Hàn-jī: 馬頭星雲), mā kiò-chò Barnard 33, sī La̍h-hō͘-chō ê chi̍t ê ám-seng-hûn. I tiám tī IC 434 lāi-té, koh sī La̍h-hō͘-chō hun-chú-hûn ho̍k-ha̍p-thé ê chi̍t pō͘-hūn.

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  Hubble Thài-khong Tiàu-kiàⁿ âng-gōa-sòaⁿ siòng-phìⁿ, 2013 nî hip--ê.
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  Le̍k-sú-siōng tē-it tiuⁿ Bé-thâu Seng-hûn ê siòng-phìⁿ, William Henry Pickering tī 1888 nî hip--ê.
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  Au-chiu Lâm-hong Thian-bûn-tâi 2002 nî hip--ê.

Gōa-pō͘ liân-kiat

• The Horsehead Nebula @ The Electronic SkyArchived 2018-10-12 at the Wayback Machine.
• Hubble Observes the Horsehead NebulaArchived 2005-05-08 at the Wayback Machine.
• The discovery of early photographs of the Horsehead nebula, by Waldee and HazenArchived 2013-01-16 at the Wayback Machine.
• The Horsehead Nebula in the 19th Century, by Waldee
• Detection of new nebulae by photography, by Pickering
• Horsehead Nebula at ESA/Hubble
• The Horsehead Nebula at the Astro-Photography site of Mr. T. Yoshida.Archived 2009-02-02 at the Wayback Machine.
• The Horsehead-Nebula and neighboring structures in a classical viewArchived 2017-03-06 at the Wayback Machine.
• The Horsehead Nebula on interactive astro-photography survey at Wikisky.orgArchived 2009-02-03 at the Wayback Machine.