Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  29 Cyg  ·  29 b03 Cyg  ·  34 Cyg)  ·  34 P Cyg  ·  37 Cyg)  ·  37 gam Cyg  ·  B343  ·  B344  ·  B347  ·  Crescent Nebula  ·  HD190131  ·  HD190466  ·  HD190628  ·  HD190700  ·  HD190771  ·  HD190991  ·  HD191024  ·  HD191045  ·  HD191176  ·  HD191225  ·  HD191257  ·  HD191290  ·  HD191395  ·  HD191396  ·  HD191397  ·  HD191424  ·  HD191472  ·  HD191703  ·  HD192003  ·  HD192020  ·  And 387 more.
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Cygnus Mosaic, pcyvr
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Cygnus Mosaic

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Cygnus Mosaic, pcyvr
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Cygnus Mosaic

Equipment

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Acquisition details

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Description

A 4-panel mosaic of the Sadr region of Cygnus.  Unfortunately, it looks like the focus slipped for the 2 panels on the left, but it's not too bad.  I'm really happy with the detail given only 2.5 hrs integration for each panel.

Comments

Revisions

  • Cygnus Mosaic, pcyvr
    Original
  • Cygnus Mosaic, pcyvr
    B
  • Final
    Cygnus Mosaic, pcyvr
    C

B

Description: Fixed the green cast - thanks @Daniel Erickson!

Uploaded: ...

C

Description: Reprocessed this, starting with the unstretched mosaic. My earlier effort applied an "unlinked" stretch - so a different stretch to each channel. This one has the same stretch applied to each channel. I also split the RGB components and recombined as HOO. This seems to have addressed the green cast on the original version and has brought out a little more detail in the fainter parts of the nebula.

Uploaded: ...

Sky plot

Sky plot

Histogram

Cygnus Mosaic, pcyvr

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Pacific Northwest Astrophotographers