Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888
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NGC 6888 The Crescent Nebula, Alex Che
NGC 6888 The Crescent Nebula
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NGC 6888 The Crescent Nebula

Getting plate-solving status, please wait...
NGC 6888 The Crescent Nebula, Alex Che
NGC 6888 The Crescent Nebula
Powered byPixInsight

NGC 6888 The Crescent Nebula

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Description

Hi!

This is the first take for this target, I'm still using short exposures as I'm still trying to reduce my mount backslash. Of a total of 54 subs 26 were suitable to be stacked.

The Crescent Nebula is the outer envelope expelled of the star WR 136 when it became a red giant, 400.000 years ago. The start is coming to its end to explode as a supernova

More details about this beautiful object can be found:

https://oneminuteastronomer.com/5995/crescent-nebula-ngc-6888/

C.S

Alex

Comments

Revisions

  • NGC 6888 The Crescent Nebula, Alex Che
    Original
  • NGC 6888 The Crescent Nebula, Alex Che
    B
  • NGC 6888 The Crescent Nebula, Alex Che
    C
  • Final
    NGC 6888 The Crescent Nebula, Alex Che
    D

B

Description: Improved contrast/color

Uploaded: ...

C

Description: Reprocessed using Starnet which I find more convenient than my previous star masks.

Uploaded: ...

D

Description: Just experimenting how to gather photons. 225 subs, 30 secs each. Gain 121, Offset 30, T -15C. Total integration time 112 minutes

Uploaded: ...

Sky plot

Sky plot

Histogram

NGC 6888 The Crescent Nebula, Alex Che