Contains: IC 1805
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Melotte 15 – Heart of the Heart Nebula

Technical card

Imaging telescope or lens: Astro-Physics Riccardi-Honders 305mm

Imaging camera: FLI ML8300

Mount: Paramount ME

Software: PixInsight

Filter: Astrodon Narrowband 5mm (Ha, OIII, SII)

Resolution: 3326x2504

Dates: Oct. 23, 2017

Frames: 44x1200"

Integration: 14.7 hours

Avg. Moon age: 3.44 days

Avg. Moon phase: 12.77% job: 1821392

RA center: 38.406 degrees

DEC center: 61.435 degrees

Pixel scale: 0.995 arcsec/pixel

Orientation: 1.244 degrees

Field radius: 0.575 degrees

Locations: Deep Sky West Observatory, Rowe, MN, United States


Melotte 15, a cluster of young super-giant stars in the heart of the heart nebula. The strong stellar winds from this cluster sculpture the gas clouds in their vicinity, creating pillars and cavities. A spectacular array of shapes and colors.

This is a narrowband composite using more than 14 hours of data in Ha, OIII, and SII taken with the Astro-Physics Riccardi-Honders 305mm Astrograph at the Deep Sky West Observatory.




Sky plot

Sky plot


Melotte 15 – Heart of the Heart Nebula,