IC417
About this celestial object
IC 417, the Spider Nebula, stretches fine emission filaments across the northern winter sky.
IC 417 is an emission nebula whose reddish glow stems primarily from excited hydrogen; its structure has earned it the name Spider Nebula.
Fine nebular veils demand transparent nights and patient exposure—the framing was chosen to emphasize the faint arcs and dark channels.
Wide‑field perspectives often fold neighboring young star groups into the scene.
Image and observation
Catalogue: IC417
Capture date: 2025-12-21
Total exposure: 11640 s
Imaging and processing: Ulrich Schwarz · Vespera Pro