Friday, October 26, 2018

October 22, 2018: Improving Signal / Noise ratio for astrophotography.

Learning about stacking images in order to reduce the noise and bring out faint features.  Here is M42: First is the stacked image (120 images) and below is one of the cropped original images.  I'm using a MatLab contributed tool called MastroStack 

Original unstacked image

Saturday, October 13, 2018

October 13, 2018: M31 and Orion Nebula

Better tracking this morning.   600 mm lens, ISO 5000 f/5.6 (Tamron 160-600)