I'm using a 750mm (focal length) by 150mm (aperture) newtonian reflector and I've been curious about using Barlow lenses on deep sky objects. Some of the astronomers at my local observatory say that ...
I recently saw the International Space Station without a telescope. Are there any other man-made space objects that can be seen using bare eyes?
I am trying to get some data from the Sloan digital sky survey (SDSS). This task turned out to be challenging for me as someone with only little knowledge about astronomy and maybe someone here can ...
I want to know if bringing the image of a DSO in eyepiece generally represents a problem for beginners in astronomy.