Measuring doubles

Astrometry with CCD (or CMOS) cameras can be very useful tool for measuring separation and position angle of double and multiple stars. When…


Into the Orion Nebula

M42 Orion Nebula is well known even for people who are not into the astronomy. M42 can be seen with naked eye, and it is probably the most often…


Orion the Hunter

Probably many of you heard and saw Orion Nebula - there is not much to add in this area actually. I also wanted to have it pictured, but last year…