NGC 1055

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NGC 1055 edge-on spiral galaxy captured in LRGB.

NGC 1055 is an edge-on spiral galaxy in Cetus, often mentioned alongside nearby Messier 77 but deserving attention on its own. This deep LRGB capture from Obstech (Observatorio El Sauce), Chile resolves the narrow stellar disk, disturbed dust lanes, and faint halo structures that define NGC 1055 at high resolution.

Target Details

From our viewing angle, NGC 1055 appears as a luminous band cut by dark interstellar dust. The bright central bulge shows warmer stellar populations, while cooler knots along the disk mark younger star-forming regions. This contrast between old and young components is one of the strongest visual signatures in the frame and gives the galaxy its layered look.

Longer integration is especially useful on NGC 1055 because the low-surface-brightness halo and outer disk structure are easy to lose when processing for core detail alone. In this rendition, attention was placed on preserving dust lane continuity and smooth brightness falloff from the core into the surrounding field. The objective was to show NGC 1055 as a full three-dimensional system rather than only a thin, high-contrast edge.

Processing Notes

LRGB integration was balanced to retain natural stellar color while protecting faint disk texture. Local contrast enhancement was applied conservatively to avoid over-sharpening the dust structures and to keep transitions in the halo smooth.

Equipment and Acquisition

  • Location: Obstech (Observatorio El Sauce), Chile
  • Telescope: PlaneWave CDK500 Observatory System
  • Camera: Moravian C3-61000 PRO
  • Filters: Chroma L, R, G, B
  • Integration: L=64x300s, R=30x600s, G=30x600s, B=29x600s (20.16 hours total)
  • Processing: PixInsight and Adobe Photoshop

Additional Information