SGPro short review
I took a first look at Sequence Generator Pro astrophotography software about two years ago. Due to unfortunate weather I was able to perform only two or three tests sessions during 45 days of trial p... Read More
Messier 1 Crab nebula expansion
Messier 1 nebula, also known as Crab, is a supernova remnant in the constellation of Taurus. It corresponds to a bright supernova recorded by Chinese astronomers in 1054. Apparent diameter of Crab neb... Read More
What telescope to buy? Part I – visual observations
End of the year is coming, nights getting longer at the northern hemisphere, many people start to think about gifts and presents. Winter night sky can impress many of us, and we may start to seek for ... Read More
Cygnus Wall and Lagoon in color
Not so long time ago two entries preseting monochromatic hydrogen alpha images appeared at my blog. These were Cygnus Wall in NGC7000 and Lagoon and Trifid nebulae. Now both of these frames are enrich... Read More
Astronomy amateurs myths – part I
There are quite a few statements that are present among astronomy amateurs, and are not necessarily always true. Let’s check if you are aware of at least few of astronomy myths 🙂 Deep sky (ex... Read More
Double stars observations
I already made a two entries about observing and measuring double stars (here and here). Over last one year and half I had a few sessions with this interesting type of objects. Many of them are only v... Read More
Stephan’s Quintet
There are many galaxies in the Universe, and sometimes two of them will come close enough to start interact between them. But it may be more than two, and that is the case of Hickson 92 galaxy group a... Read More
Cygnus Wall in NGC7000
NGC7000 is a well known emission nebula in Cygnus, close to prominent Deneb star. Whole NGC7000 North America is large cloud of interstellar matter that covers area of several apparent Moon size. But ... Read More