Ngc 2174 The Monkey Head Nebula

NGC 2174 (also known as Monkey Head Nebula) is an H II[1] emission nebula located in the constellation Orion and is associated with the open star cluster NGC 2175.[1] It is thought to be located about 6,400 light-years away from Earth.

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener

FeatherTouch 3'''' focuser

Starizona MicroTouch autofocuser

W.O ZS80 ED

SBIG ST10XME CFW9

Meade DSI

Filters: Ha 5nm Astrodon_RGB Baader Planetarium

Sky-Watcher EQ6 Pro

Tricolor Emmision Line image

S[iI] 8nm(Red)_Ha 5nm(Green)_O[iII] 3nm(Blue)

Modified Hubble Palette

S[iI] 4*10min+5Ha 5*10min_Ha 14*10min_ O[iII] 23*10min

L(S[iI]+Ha+O[iII])_Red(S[iI]+Ha)_Green(Ha)_Blue(O[iII])

Ha:14*10min bin1x1

S[iI]:4*10min bin1x1

O[iII]:23*10min bin1x1

Total exposure time:6h50min