Pacman Nebula Ha September 17, 2013 Astrophotography Hydrogen Alpha NGC 281 Pacman Nebula Pentax K10D +
Preparing for Calstar September 14, 2013 Astrophotography Calstar 2013 DSLR Flattener image reduction noise reduction +
Calibration tips for the Pentax K10D August 23, 2013 Astrophotography calibration Deep Sky Stacker image reduction Maxim noise reduction Pentax K10D +