image for a higher resolution (1600 x 1067 pixels)
Orion Nebula Complex in Hydrogen-Alpha Light
Here is a wide-field view
of the entire region of the Great Orion Nebula. This was taken
with a special, narrowband filter that highlights the specific wavelength
of Hydrogen gas emissions in the nebulosity. It brings out
details not normally seen by tradition RGB filters.
For color versions and more
information on this nebula, click here.
yet another version of this object taken with the Canon DIgital
Rebel SLR, click here.
Star Party 2004 near San Angelo, Texas
Equipment: Tak FSQ-106
on Tak NJP mount
Camera: SBIG STL-6303E,
Filter: Custom Scientific 4.5nm Hydrogen-Alpha
spectral line filter
Exposure Info: Grayscale
- Ha filtered image - 80 minutes (10 minute sub-exposures)
and five 30 second exposures for the central masks.
Processing Info: Darks,
deblooming, alignment, and Sigma combine in MaxIm 4.0. Digital
Development in MaxIm 4.0. Separate mask from shorter exposures used to replace
the burned-out core regions. Masked layers re-leveled and balanced to match
in Photoshop CS. Final smoothing and sharpening in Photoshop
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