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Orion Nebula


Optics : Wright-Schmidt camera f.l.=475mm F3.8
Camera : Apogee AP2Ep
Filter : Red=H-alpher(FWHM=5nm), Green=OIII(FWHM=10nm), Blue=U band(FWHM=75nm)
Editor : SIRIUS with anti-blooming process
Tone : Arctangent transfered
Guide : ST-4 tracking



Optics : 16cm Schmidt camera F2.5 with three 75mm aperture gratings
Film : KODAK TP4515

2001,12,30


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