Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1805
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Melotte 15 in Narrowband, Michael Caligiuri
Melotte 15 in Narrowband
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Melotte 15 in Narrowband

Revision title: Recolorized SHO image

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Melotte 15 in Narrowband, Michael Caligiuri
Melotte 15 in Narrowband
Powered byPixInsight

Melotte 15 in Narrowband

Revision title: Recolorized SHO image

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Description

Also known as IC1805.  Strong radiation and stellar winds emitted from young hot stars within this open cluster ignite dense hydrogen clouds at the center of the Heart nebula.
Imaged over three nights from a backyard observatory under Bortle 7 skies with a bright 3Q moon and >85% humidity, where only narrowband imaging is possible.  Seeing however, was excellent.
Color mapped using a modified Hubble palette: Red = (SII x 0.5) + (Ha x 0.6); Green = (Ha x 0.5) + (OIII x 0.4); Blue = OIII.  Ha channel used for stars.

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  • Melotte 15 in Narrowband, Michael Caligiuri
    Original
  • Final
    Melotte 15 in Narrowband, Michael Caligiuri
    B

B

Title: Recolorized SHO image

Description: Rebalanced RGB mapping in this SHO image. Rotated and zoomed

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Melotte 15 in Narrowband, Michael Caligiuri