obsutil: Observing utilities (planning or evaluation)
- psfmeasure: Measure PSF sizes from stellar images
- specfocus: Determine spectral focus and alignment variations
- starfocus: Determine direct focus variations from stellar images
- ccdtime: CCD photometry exposure time calculator
- pairmass: Plot airmass vs time for a given coordinate
- sptime: Spectroscopic exposure time calculator
- bitcount: Accumulate the bit statistics for a list of images
- findgain: Estimate the gain and readnoise of a CCD
- shutcor: Shutter correction from images of varying exposure times
- cgiparse: Parse STRING_QUERY environment variable into task parameters