ngc7380, the Wizard nebula - a photo on Flickriver

I rarely do false colour composites, so this approach was a bit ... um ... creative.

It's mostly mapped to R:G:B using Ha:(S2/O3):O3 ... but I also added a S2:Ha:O3 layer (blended in), and some tone mapping as well (see J.P.M.'s awesome technique) in order to boost the weak S2 and O3 signal.

The stars are pretty bland ... I plan to capture them in RGB and overlay here.

Details:

Telescope = Takahashi FSQ 85 EDX with .73 reducer (f/3.9)
Camera = QSI 583 wsg
Mount = SkyWatcher EQ6 Pro
Software = capture and stacking in MaximDL, processing in PS CS5
Exposure (Ha:S2:O3, minutes) = 100:180:180
Dates = August/September 2012

Some rights reserved

Taken on: September 21, 2012

Tags:

ngc

7380

nebula

skywatcher

eq6

heq6

qsi

583

wsg

8300

hydrogen

alpha

oxygen

sulphur

sii

oiii

telescope

observatory

sky

skies

dark

night

stars

celestia

celestial

heavens

space

astronomy

astronomia

fsq

edx

narrowband

false

colour

color

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Sets appears in: • recent and decent • Nebulae

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