The Horsehead Nebula B 33 is a dark nebula that stands out over the emission nebula IC 434; at the bottom on the right there is the NGC 2023 nebula with the star HD 37903 in the center.
The Horsehead Nebula
The Horsehead Nebula B 33 is a dark nebula that stands out over the emission nebula IC 434; at the bottom on the right there is the NGC 2023 nebula with the star HD 37903 in the center.
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