Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  IC 4996  ·  NGC 6888
NGC 6888 Wide Field, Bob
NGC 6888 Wide Field
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NGC 6888 Wide Field

NGC 6888 Wide Field, Bob
NGC 6888 Wide Field
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NGC 6888 Wide Field

Equipment

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Acquisition details

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Description

As a change of pace, I thought I might try imaging the Crescent via my Stellarvue 80 mm APO. After the weather cleared up, I was able to get 3 hours of clean Ha subs. Filter used was Astronomik 12 nm Ha. I also increased the exposure length to 10 minutes from 5 minutes. The 12 nm Ha filter is wider than most narrowband filters and needs darker skies. My backyard is usually around 20 MPAS, which isn't dark dark but decent for a suburban backyard. A 6 nm filter though would give better SNR (contrast).

Comments

Revisions

  • NGC 6888 Wide Field, Bob
    Original
  • NGC 6888 Wide Field, Bob
    B
  • Final
    NGC 6888 Wide Field, Bob
    C

Sky plot

Sky plot

Histogram

NGC 6888 Wide Field, Bob

In these collections

Nebula