NGC7380 Emission Nebula in Cepheus: Hydrogen Alpha and Oxygen III

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Halpha Image

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Ha [OIII] [OIII] image

Taken on July 26, 2003 from my backyard in Castro Valley, California

FLI IMG1024S imaging Camera @-35C

Celestron C14 Imaging Scope @ f/11 (F=3910mm)

Astro-Physics 80mm guide scope (F=900mm)

SBIG ST7E guide camera @-15C

FLI CFW1 Filter wheel

Optec TCF-S robotic focuser

Custom Scientific Emission Line Filters

    Ha             656.3nm/3nm FWHM

    [OIII]           500.7nm/3nm FWHM

four exposures of 10 minutes through Ha, assigned as Red

three exposures of 10 minutes through [OIII]

Maxim 3.10 used for camera control and processing

CCDSOFT 5.0 used for guiding

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