NGC 4490 – Spiral Galaxy in Canes Venatici

  • Description: - Magnitude 9.8 Barred Spiral Galaxy in Canes Venatici also known as the Cocoon Galaxy, about 28 million light years away. The smaller one visible just above it is NGC4485, an irregular starburst galaxy of magnitude 11.9 at 30 million light years. The two have interacted with each other and are moving away from each other. Imaged from Bortle 9 Calgary AB Canada in Luminance only.

  • Camera: ASI533M

  • Filter: Chroma Luminance

  • Scope: Astro-Physics AP130EDT 5” refractor at 1085mm focal length and f/8.35

  • Exposure: 13x10 minutes for 2hrs total

  • Date: 2026-05-06

  • Processed in Pixinsight with RCAstro Tools

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