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Hemisphere:  Northern  ·  Contains:  NGC 278, NGC278
Getting plate-solving status, please wait...
NGC 278 – A Burst of Star Formation, 


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NGC 278 – A Burst of Star Formation

Imaging telescopes or lenses: Planewave CDK24

Imaging cameras: ZWO ASI6200MM Pro

Mounts: Planewave L600

Guiding cameras: Starlight Xpress Ultrastar

Focal reducers: Tele Vue Powermate 2X

Software: Photoshop CS3  ·  PixInsight 1.8  ·  Planewave PWI4  ·  Planewave PWI3  ·  Maxim DL6  ·  Sequence Generator Pro  ·  Adobe Photoshop CC 2014

Filters: Astrodon 50mm B  ·  Astrodon 50mm R  ·  Astrodon 50mm L  ·  Astrodon 50 mm G

Accessory: FLI CFW-5-7  ·  Hedrick Focuser  ·  Planewave Delta-T  ·  Planewave EFA

Dates:Oct. 13, 2020Oct. 15, 2020Oct. 16, 2020

Astrodon 50 mm G: 24x300" (gain: 100.00) -5C bin 2x2
Astrodon 50mm B: 24x300" (gain: 100.00) -5C bin 2x2
Astrodon 50mm L: 365x60" (gain: 100.00) -5C bin 2x2
Astrodon 50mm R: 24x300" (gain: 100.00) -5C bin 2x2

Integration: 12.1 hours

Darks: ~40

Flats: ~80

Flat darks: ~80

Bias: ~20

Avg. Moon age: 27.62 days

Avg. Moon phase: 6.12%

Mean SQM: 21.40

Mean FWHM: 1.50 job: 3935357

RA center: 0h 52' 13"

DEC center: +47° 33' 51"

Pixel scale: 0.196 arcsec/pixel

Orientation: 2.238 degrees

Field radius: 0.116 degrees

Resolution: 3321x2647

Locations: KG Observatory, Julian, CA, United States

Data source: Backyard


Trying a rarely imaged 2' x 2' galaxy (about the size of the Ring Nebula) with my planetary setup. Hubble tried this too...

NGC 278 with Hubble Wide Field Planetary Camera 2

Here, 60s luminance subs are between 1.24" and 2.1" FWHM. 300s RGB subs are between 1.6" and 2.8".

"NGC 278 lies some 38 million light-years away in the northern constellation of Cassiopeia.

While NGC 278 may look serene, it is anything but. The galaxy is currently undergoing an immense burst of star formation. This flurry of activity is shown by the unmistakable blue-hued knots speckling the galaxy’s spiral arms, each of which marks a clump of hot newborn stars.

However, NGC 278’s star formation is somewhat unusual; it does not extend to the galaxy’s outer edges, but is only taking place within an inner ring some 6500 light-years across. This two tiered structure is visible in this image — while the galaxy’s centre is bright, its extremities are much darker. This odd configuration is thought to have been caused by a merger with a smaller, gas-rich galaxy — while the turbulent event ignited the centre of NGC 278, the dusty remains of the small snack then dispersed into the galaxy’s outer regions. Whatever the cause, such a ring of star formation, called a nuclear ring, is extremely unusual in galaxies without a bar at their centre, making NGC 278 a very intriguing sight."



License: None (All rights reserved)


  • NGC 278 – A Burst of Star Formation, 


  • Final
    NGC 278 – A Burst of Star Formation, 




Description: 1-pixel PS dust removal to clean up a little noise in the faint galaxy arms.

Sky plot

Sky plot


NGC 278 – A Burst of Star Formation, 



In these public groups

Unique or Unusal Deep Sky Targets