Archiv rubriky: Articles in ENGLISH

I would like to show the performance – transmittance plots – of couple of Astronomik filters. Let’s start with L-RGB Typ 2c, 31mm unmounted (purchased in 2010), serial number: 2050000226. I believe that all the charts are self explanatory. The … Celý příspěvek →

Yes, yet another article about Astrodon Narrowband filters. I promise it’s the last one (at least this year). On one nice day a friend of mine asked me: “have you noticed any UV or IR leak when doing narrow band … Celý příspěvek →

Shooting LRGB or RGB (broadband) images is becoming a more and more challenging task for an astrophotographer. Light pollution is the enemy’s name. There are essentially two ways (or three, counting narrowband imaging) how to deal with it. First, if … Celý příspěvek →

Some nights we “astro-imagers” are out of luck. Nothing works as expected, everything … up, time flies by and the chances for a successful imaging night are becoming minimal. What should I do then? When – at least – the … Celý příspěvek →

A couple of months ago, when I attached my little and powerful narrow band imager Atik 314L+ to a Zeiss DSLR lens in order to do some wide field imaging, I was wondering how fast could I go with the … Celý příspěvek →