Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  10 Cas  ·  HD1009  ·  HD14  ·  HD1426  ·  HD1559  ·  HD1624  ·  HD223128  ·  HD223274  ·  HD223358  ·  HD223670  ·  HD224826  ·  HD224918  ·  HD225009  ·  HD225010  ·  HD225136  ·  HD225216  ·  HD225271  ·  HD225273  ·  HD404  ·  HD443  ·  HD553  ·  HD912  ·  LBN 577  ·  LBN 580  ·  LBN 581  ·  LBN 582  ·  LBN 583  ·  LBN 584  ·  LBN 585  ·  LBN 586  ·  And 26 more.
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The Cosmic Question Mark, estroinov
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The Cosmic Question Mark

Getting plate-solving status, please wait...
The Cosmic Question Mark, estroinov
Powered byPixInsight

The Cosmic Question Mark

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Description

This image shows a combination of Sh2-171(NGC7822) and Sh2-170 which resembles a question mark. I tried various palettes and ended up with a mix of 80% Hubble palette and 20% Foraxx palette for the starless SHO image as it resulted in better colours and helped to bring pinks forward. RGB stars were processed separately and added to the starless SHO image. All data for this image was shot from London, Bortle 8, in Oct-Nov 2022. Total integration time is about 34h.

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The Cosmic Question Mark, estroinov