Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  NGC 7635
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HDR Bubble (SH2-162)  in classic SHO Hubble palette with RGB stars, Mark Petersen
HDR Bubble (SH2-162)  in classic SHO Hubble palette with RGB stars
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HDR Bubble (SH2-162) in classic SHO Hubble palette with RGB stars

Getting plate-solving status, please wait...
HDR Bubble (SH2-162)  in classic SHO Hubble palette with RGB stars, Mark Petersen
HDR Bubble (SH2-162)  in classic SHO Hubble palette with RGB stars
Powered byPixInsight

HDR Bubble (SH2-162) in classic SHO Hubble palette with RGB stars

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Description

For this project I wanted to capture the most amount of detail in the bubble itself as well as the surrounding nebula.  There are bubble details in all three narrow band images so I used a weighted combine and integrated the 3 narrow band images into one luminance image for an LRGB process.   I found different weighted combines that I liked and couldn't decide which one I liked better so I ended up blending the best details of the two.  Since the bubble core has both very bright and faint details, I used GHS in Pixinsight for the stretch and then used HDR Multiscale transform to try to accommodate the huge brightness differences.   Most of the processing was done in Pixinsight and then finished in photoshop for final stretching and blending.

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HDR Bubble (SH2-162)  in classic SHO Hubble palette with RGB stars, Mark Petersen