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This is a list of diffuse nebulae. Most nebulae are diffuse , meaning that they do not have well-defined boundaries. Types of diffuse nebulae include emission nebulae and reflection nebulae .
The Carina Nebula is an example of a diffuse nebula Most nebulae can be described as diffuse nebulae, which means that they are extended and contain no well-defined boundaries. [ 24 ] Diffuse nebulae can be divided into emission nebulae , reflection nebulae and dark nebulae .
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Diffuse nebula: Cygnus: 20 h 45 m 38.0 s +30° 42′ 30″ 6981: Messier 72 Globular cluster: Aquarius: 20 h 53 m 27.9 s: −12° 32′ 13″ 10.0 6992: Eastern part of the Veil Nebula 'Banana Nebula' Diffuse nebula: Cygnus: 20 h 57 m +31° 30′ 6994: Messier 73 Asterism [7] Aquarius: 20 h 59 m: −12° 38′ 8.9 6995 (Part of the Veil Nebula ...
The following articles contain lists of nebulae: List of dark nebulae; List of diffuse nebulae; List of largest nebulae; List of planetary nebulae; List of protoplanetary nebulae; List of supernova remnants
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There are different types of nebulae with different physical causes and processes: diffuse nebula, infrared (IR) reflection nebula, supernova remnant, molecular cloud, HII regions, photodissociation regions, and dark nebula. Distinctions between those types of nebula are that different radiation processes are at work.
The Messier catalogue comprises nearly all of the most spectacular examples of the five types of deep-sky object – diffuse nebulae, planetary nebulae, open clusters, globular clusters, and galaxies – visible from European latitudes. Furthermore, almost all of the Messier objects are among the closest to Earth in their respective classes ...