NGC2004 et al. RGBHOO - Emission Nebula in LMC (Rodney Watters)

Celestial hemisphere: Southern · Constellation: Dorado (Dor) · Contains: NGC 1955 · NGC 1968 · NGC 1974 · NGC 2002 · NGC 2004 · NGC 2006 · NGC 2014 · NGC 2020 · NGC 2027 · NGC 2030 · NGC 2032 · NGC 2034 · NGC 2035 · NGC 2040 · NGC 2041 · NGC 2053

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NGC2004 et al. RGBHOO - Emission Nebula in LMC

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NGC2004 et al. RGBHOO - Emission Nebula in LMC

At a latitude of 33.5 degrees south here in the Central West of NSW, Australia, we are well placed to observe the "Clouds of Magellan", the distinct irregular galaxies located near the southern celestial pole. Both the small (SMC) and large (LMC) Magellanic Clouds are replete with many deep sky objects that are fascinating to visual observers and imagers. We can find all manner of emission nebula, super nova remnants, globular clusters and others with many fascinating shapes and twirls and knots of nebulosity.

This image captures an area of nebulosity surrounding the globular cluster NGC2004, an area rich in Hydrogen Alpha (Ha) and OIII and with a reasonable amount of SII gas present. For this presentation, the RGB data has been combined with the Ha and OIII to present an RGBHOO image. The combination of Ha and OIII was achieved by processing the Ha and OIII masters separately in their starless form and then using the Pixinsight Pixelmath process to mix this data in with the processed RGB non linear master. The resulting image shows off the complex interaction between the different elements in the nebulae overlaid on a busy star field that includes a number of fine globular clusters. Peering further into the image also shows up a a number of background galaxies.

Edit: Revision B. I felt that the image needed a bit of a lift so went back and applied some extra curves to brighten and increased the saturation.

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Description: Edited processing by applying additional curves to brighten and increased saturation. Helps to give the image a bit of a lift.

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NGC2004 et al. RGBHOO - Emission Nebula in LMC

NGC2004 et al. RGBHOO - Emission Nebula in LMC

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NGC2004 et al. RGBHOO - Emission Nebula in LMC

NGC2004 et al. RGBHOO - Emission Nebula in LMC

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