Astronomical Software For the PC

This info was updated back in 2012

ALL INFO BELOW FROM ASTROPIX
http://www.astropix.com/HTML/I_ASTROP/SOFTWARE.HTM

DSLR Camera Control

IRIS $Free - DSLR control, image acquisition automation
PalmDSLR $Free - DSLR control with a Palm computer
APT (Astro Photography Tool) - 12.70 Euros - Camera control, focus, image acquisition automation
BackyardEOS $24 - Camera control, focus, image acquisition automation, drift alignment assist
Nebulosity $60 - Camera control, focus, image acquisition automation, image calibration, image processing
Images Plus Camera Control $70 - DSLR control, focusing, image acquisition automation
AstroArt $185 - DSLR and CCD control and image processing.
Maxim DL $399 - DSLR control and image processing.

Software-Assisted Focusing

Focus Max $Free - Focusing software that automates focusing if you have a motorized focuser that works with Maxim DL or CCD Soft.
APT (Astro Photography Tool) - 12.70 Euros - Camera control, focus, image acquisition automation
BackyardEOS $24 - Camera control, focus, image acquisition automation, drift alignment assist
Nebulosity $60 - Camera control, focus, image acquisition automation, image calibration, image processing
Images Plus Camera Control $60 - DSLR control, focusing, image acquisition automation
AstroArt $185 - DSLR and CCD control and image processing.
Maxim DSLR $399 - DSLR control and image processing.

Image Acquisition Automation

DSLR Shutter $Free - image acquisition automation
APT (Astro Photography Tool) - 12.70 Euros - Camera control, focus, image acquisition automation
BackyardEOS $24 - Camera control, focus, image acquisition automation, drift alignment assist
Nebulosity $60 - Camera control, focus, image acquisition automation, image calibration, image processing
Images Plus Camera Control $50 - DSLR control, focusing, image acquisition automation
AstroArt $179 - DSLR and CCD control and image processing.
Maxim DSLR $399 - DSLR control and image processing.

Image Calibration, Aligning and Stacking

Deepsky Stacker $Free - Image calibration, alignment, stacking
Regim $Free - Image calibration, alignment, stacking
IRIS $Free - DSLR control, image acquisition automation
RegiStax $Free - for stacking planetary images shot with webcams
Nebulosity $60 - Camera control, focus, image acquisition automation, image calibration, image processing
AIP (Astronomical Image Processing) $99 Image calibration, correction, enhancement
Images Plus $180 - Image calibration, correction, enhancement
AstroArt $185 - DSLR and CCD control and image processing.
PixInsight 171 Euros - Image calibration, correction, enhancement
Maxim DSLR $399 - DSLR control and image processing.

Image Correction and Enhancement

Autoguiding Software

Photo Utilities

Dark Library$Free - Sort Dark frames by EXIF temperature data
EXIF Reader $Free - Reads EXIF data, such as shutter speed, ISO, aperture, date and time of photo that is stored in the image file. Also a thumbnail and image viewer.
FITS Liberator $Free - FITS file format image handling software.
Noiseware Community Edition $Free - Noise Reduction software
Background Subtraction Toolkit $Free - Remove gradients and vignetting
IrfanView $Free - Image viewer.
Picassa $Free - Thumbnail and Image Viewer and database
ThumbsPlus $90 - Thumbnail viewer and database.
StarTrails - $Free - Stack individual frames into a single star trail image, or movie.

Photoshop Filters and Actions

Astronomy Tools $20 - Noel Carboni's Photoshop actions for various astrophoto techniques.
Annie's Astro Actions $10 - Astrophotography specific Photoshop actions.
Noise Ninja $35 - $80 - Noise Reduction filter.
GradientXTerminator $50 - Removes vignetting and gradients.

Tutorials on Image Processing of Astrophotos

Planetarium Programs and Atlases