Peltier Cooling of Modified Canon Digital Rebel XSi
I have been imaging for a few years with Canon astrophotography DSLRs and have found that there is a noticeable…
I have been imaging for a few years with Canon astrophotography DSLRs and have found that there is a noticeable…
There are many different terms that astronomers use in relation to astronomy, and some of them can be confusing. One…
Cameras in these price ranges almost always have a crop sensor (APS-C) and usually offer a resolution of about 24…
Astronomy and astrology almost seem synonymous to the average person. The fact that there are numerous similarities between these two…
The key element of this setup is the optical bench, a piece of ¾ inch plywood. As you can see…
Exploring the universe with a telescope is one of the most exciting experiences you can have. With a Polaris Telescope,…
Lateral and spherical aberrations are also very well controlled. This is useful at twilight or indoors, but is of no…
Every day the boundaries and borders of technological advancement are being pushed. The modern day is a great time for…
I took a series of test images using a new Canon T4i (650D) for comparing to test images of other…