N Task Index
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n2gaussfit -- 2-d Gaussian fit to images.
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names -- Generate a list of image names from a string
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ndisplay -- Display a science image with DQ flags superimposed.
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ndprep -- Make neutral density filter calibration image
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netstatus -- Print the status of the local network
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networking -- Provide background information about IRAF networking
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newcont -- Draw contours of two-dimensional data.
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newgeom -- Geometrically correct an image.
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newimexamine -- IMEXAMINE with new FWHM measurements
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newredshift -- Change the redshift of spectra
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news -- Page through the system news file
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nfit1d -- Interactive 1-d non-linear curve fit to images, tables or lists.
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ngaussfit -- Interactive 1-d multiple Gaussian fit to images, tables or lists.
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nicpipe -- Process images through various stages of CALNICA.
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nlevel -- Documentation on the N-level atom approximation
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noisemodel -- Determine noise model parameters from CCD frames.
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noisepar -- Set parameters describing noise model (pset).
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noisepars -- Pset for setting noise parameters used in the wiener task.
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normalize -- Normalize images
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normclip -- Normalize WF/PC flat fields among chips.
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normflat -- Create a flat field by normalizing and replacing low values
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normspflat -- Normalize STIS CCD fringe flat.
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north -- Print the position angles of images.
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nsppkern -- Plot metacode on a NSPP (NCAR) plotter device
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nstar -- Fit the psf to predefined groups of stars
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ntcontour -- Plot contours of N_e- or T_e-sensitive line ratios
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ntplot -- Construct N_e vs. T_e plot for observed diagnostic ratios
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