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North America Nebula

A wide field across the luminous coast and the dark Gulf of Mexico.

Object
NGC 7000
Captured
September 2, 2022
Published
September 6, 2022
The North America Nebula in warm red hydrogen emission divided by dark dust
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About

The North America Nebula (NGC 7000) is a vast emission nebula located approximately 2,600 light-years away in the constellation Cygnus. Its distinctive shape, resembling the continent of North America, is formed by enormous clouds of hydrogen gas illuminated by ultraviolet radiation from nearby hot, massive stars. The surrounding dust obscures portions of the glowing gas, creating the dark boundaries that define its recognizable coastline, particularly the prominent “Gulf of Mexico” region. Spanning roughly 100 light-years across, the nebula is part of a much larger complex of gas and dust that includes the neighboring Pelican Nebula, with active star formation taking place throughout the region.

Commentary

This image was captured and processed back in September 2022 using my William Optics RedCat 71. When I first received the telescope, it had collimation issues that required sending it back to William Optics in China for service. Fortunately, it returned in excellent shape and subsequently became my main workhorse for widefield imaging.

This image is a testament to just how wonderful a telescope the RedCat 71 turned out to be. It has served me incredibly well over the years, and if I ever decide to part with it, I’ll certainly be sad to see it go.

It’s not a perfect image. Looking back, I appear to have done something a little strange during star processing that left some of the stars looking slightly faded. I’ve decided to leave it as it is, though. This was one of the first astrophotographs I was genuinely proud of, and I’d rather preserve it as a reflection of where I was in my imaging journey at the time than revisit it with everything I’ve learned since.

Target & sky

Object / designation
NGC 7000
Constellation
Cygnus
Right ascension
20h 59m 37s
Declination
+44° 33′ 56″
Field of view
3.87° × 2.58°
Image scale
2.23″/px
Palette
Hubble palette (SHO)
Imaging site
Backyard
Bortle class
5

Integration

ChannelFramesExposureDurationCapture nightsCamera settings
SII45300s3h 45m
  • September 2, 2022
Gain (camera setting)
100
Offset (camera setting)
50
Sensor temperature
-10 °C
Hα45300s3h 45m
  • September 2, 2022
Gain (camera setting)
100
Offset (camera setting)
50
Sensor temperature
-10 °C
OIII45300s3h 45m
  • September 2, 2022
Gain (camera setting)
100
Offset (camera setting)
50
Sensor temperature
-10 °C
Total integration11h 15m
Channel
SII
Frames
45
Exposure
300s
Duration
3h 45m
Capture nights
  • September 2, 2022
Gain (camera setting)
100
Offset (camera setting)
50
Sensor temperature
-10 °C
Channel
Hα
Frames
45
Exposure
300s
Duration
3h 45m
Capture nights
  • September 2, 2022
Gain (camera setting)
100
Offset (camera setting)
50
Sensor temperature
-10 °C
Channel
OIII
Frames
45
Exposure
300s
Duration
3h 45m
Capture nights
  • September 2, 2022
Gain (camera setting)
100
Offset (camera setting)
50
Sensor temperature
-10 °C

Total integration11h 15m

Equipment

Telescope / OTA
William Optics Redcat 71
Camera
ZWO ASI2600MM-Pro
Mount
10Micron GM1000 HPS
Filters
  • Chroma 50mm Unmounted H-alpha 3nm Bandpass
  • Chroma 50mm Unmounted OIII 3nm Bandpass
  • Chroma 50mm Unmounted SII 3nm Bandpass
Effective focal length
350 mm
Effective focal ratio
f/5

Software

Software
Pleiades Astrophoto PixInsight
Software
Adobe Lightroom
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  • Cygnus
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