The Hubble Palette. M42 Nebula.

The Hubble Palette.
M42 Nebula.
by IDAS NB2-PM ＆ NB3-PM.
QHY5III178C One Shot Color.
ORION 30cm F4
TeleskopGPU coma corrector
IDAS NB2-PM 48mm + IR Block filter.
IDAS NB3-PM 48mm + IR Block filter.
Photographer:MASAAKI UTO.　Iwata-cty,Shizuoka,Jpana.
NB2-PM　3sec x140
NB3-PM　3sec x350
NB2-PM image Rch→G image(H alpha)
Bch + Gch = B image(OIII)
NB3-PM image Rch→R image(SII)
Bch + Gch = B image(OIII)