Image Credit: Derek Rowley
- Horsehead Nebula (B33)
It is one of the most iconic deep-sky objects and challenging target for amateur telescopes it appears as a small, faint, greyish patch surrounded by brighter regions nebula IC 434 – the finger resembles the silhouette of a horse’s head, similar to the side-on profile of a classic knight chess piece or Sea Horse.
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- The darker nebulosity that forms the nebula is known as B33, the 33rd entry in the Barnard Catalogue of dark nebulae.
o - Below the main catalog to use to find and observe dark nebulae was created by American astronomer Edward Barnard who is more commonly known as E.E. Barnard, who compiled a list of dark nebulae known as the Barnard Catalogue (B).
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| Barnard Catalog (B): B1 thru B370 (370 objects) |
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Other Deep Sky Objects
| Abell – Abell Catalog | |
| ARP – Arp’s Catalog | |
| B – Barnard | |
| C – Caldwell | |
| Cr – Collinder | |
| IC – Index Catalogue | |
| M – Messier | |
| Mel – Melotte | |
| NGC – New General Catalogue | |
| SH2 – Sharpless | |
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Back to the Lists of Deep Sky Objects page