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Observations›Deep sky

Pl. IIDeep sky · HOO palette · April 2026

PK 164+31.1, a planetary nebula

Planetary nebula PK 164+31.1 in the HOO palette — Fig. 1HOO palette (H-alpha and OIII). Click to see the full field.

Technical details

ObjectPK 164+31.1 · Lynx

TypePlanetary nebula

PaletteHOO

SiteNerpio observatory

Processed24 Apr 2026

Final size6131 × 4049 px

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