Category: Articles

Why does there appear to be a black circle in the middle of my image when I look at a star or planet?

The telescope has been subjected to a period of very progressive evolution. The development was motivated by several problems. These limitations challenged the designs of the conventional telescope. But, quite moderately, it also helped modify the techniques used. These inconsistencies can be categorized into two categories. These categories include- the …

Benefits of a Bigger Aperture

Even the most talented of photographers shy away from working with a bigger Aperture. There are several disadvantages to not using a bigger aperture. Especially if you’re artistically inclined towards Bokeh photography. An aperture can contribute to your photos by adding more dimensions. It can also manipulate the depth of …

What are RA and DEC?

If you are a beginner astronomer, you will inevitably come across the RA and DEC systems. When you are just getting started, these concepts can get quite overwhelming. RA and DEC are integral to astronomy. They are invisible calibration that helps you located celestial objects anywhere in the deep sky. …

What do aplanatic optics do?

The lens becomes an integral part of the optical system. Typically, any error in imaging or observation is due to the concentration of monochromatic light. Chromatic aberration can break your astrophotography endeavours. It gets quite frustrating sometimes. This is especially true when you don’t know about overcoming it. ‘ Aberrations …