Big Dipper cluster – Collinder 285 spectra
Big Dipper is a large asterism – a part of Ursa Major constellation. Asterism stars do not necessarily belong to the same constellation, and also may not be gravitationally bound. But this is no... Read More
Pleiades spectra
During last observing session I pointed telescope with attached spectroscope to well known Pleiades open cluster. It is also called “Seven Sisters” cluster, because this is the usual numbe... Read More
HD15558 – the most massive star in the Milky Way
Last session with LowSpec spectroscope was only a few hours long due to weather. But still it was enough to capture some spectra of Be type stars, but not only. I also pointed telescope to Melotte 15 ... Read More
Amateur measurements of radial velocity
Since you are here you probably are interested somehow in astronomy. And you probably already are aware of terms like Doppler effect or radial velocity. In ancient times, when I started to read about ... Read More
40 Eridani – first white dwarf ever
Star 40 Eridani is a triple system located not so far away – about 5 parsecs (that is about 16 light years). In cosmic scale it is just a neighbourhood. Its main component is K type star of main... Read More
Alnitak and Mintaka spectra
Alnitak and Mintaka are two bright stars located at the ends of Orion’s Belt. Both belongs to rare spectral class O, that comprises the hottest and massive but also shortest living stars of the ... Read More
Night sky spectrum
In the previous post you may check what LowSpec spectroscope is, and how does it look. Since the conditions to real first light on stars are still not satisfied, I decided to capture spectrum of the n... Read More
LowSpec amateur spectroscope
I have been looking for different aspects of astronomy since the time I started to consider astronomy as a hobby. Spectroscopy was also one of this aspect, but for a long time only in theory. Amateur ... Read More