Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888
Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7), Chris Sullivan
Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7)
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Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7)

Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7), Chris Sullivan
Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7)
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Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7)

Equipment

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Acquisition details

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Description

I've been wanting to redo this one for a while now (my previous version can be found here). Towards the end of my imaging (back in June), I experienced a collimation problem that got progressively worse and made it near impossible to get usable RGB stars. Unfortunately, my attempts to fix things ended up making things way worse. I somehow really screwed up my collimation so much that I couldn't even diagnose what was going on. Afterwards, not only were my stars horrendous in the corners, but even center of field data looked fuzzy. Thus, I haven't been able to gather any data with this scope in months and haven't had an opportunity to use my new Chroma SII yet. I ended up sending it back to Explore Scientific. I should be getting my scope back next week though!

Comments

Revisions

  • Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7), Chris Sullivan
    Original
  • Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7), Chris Sullivan
    B
  • Final
    Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7), Chris Sullivan
    C

B

Description: Crop of the Soap Bubble

Uploaded: ...

C

Description: Additional saturation and color balance modifications.

Uploaded: ...

Sky plot

Sky plot

Histogram

Crescent and Soap Bubble Nebulas (NGC 6888 & G75.5+1.7), Chris Sullivan