Melotte 15


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By
Catalog
Obj Type
Location
Date Taken:
SSRO
IC 1805
Nebula
Mayhill, NM
10-25-2006
Description

The center of the well known Heart Nebula, IC 1805 is also cataloged as Melotte 15.  IC 1805 lies some 7500 light years away from Earth. It is located in the Perseus arm of the Galaxy in the constellation Cassiopeia. This is an emission nebula showing glowing gas and darker dust lanes. This nebula is formed by plasma of ionized hydrogen (HII) and free electrons. The hydrogen has been ionized by ultraviolet radiation from young hot stars. The nebula thus exhibits a characteristic red spectral glow.

This image was created by combining some high-resolution RGB data taken using the SSRO RCOS telescope and an SBIG STL-11000M with some excellent narrow band (Ha/SII/OIII) data taken using a Takahashi FSQ106N and an SBIG STL-6303 by Neil Fleming in Boston, MA.

Technical Details
Exposure Time:
RGB 11x900 seconds per color binned 1x1 combined with some 36 hours of Ha/SII/OIII data collected and processed by Neil Fleming in Boston
Camera:
SBIG STL-11000M
Telescope:
RCOS 16 inch f/8.7 Ritchey-Chretien
Mount:
Software Bisque Paramount ME
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Used with permission, No reproduction of these images are permitted without written approval from SSRO.