Astrophotography - time is priceless
Typical astrophotography setup contains typical elements: camera, telescope and the mount. The importance of components is hovewer of different…
Pin point stars on sale
Although chip size in my Atik 314L+ camera is relatively small (12mm diagonal) coma from my f/5 newton is visible at the image corners. So I started…
Mortal Combat - DSLR vs Atik
Just before weather break down I managed to gather some more photons that have been travelling about 8 milion years to be eventually captured in my…
Arduino telescope focuser real life tests
In the first part (ASCOM telescope focuser with Arduino) short description of the project was presented. Last night I have noticed a few stars (yeah,…
ASCOM telescope focuser with Arduino
Another step has been made to have automated astrophotography setup - the focuser. SharpSky project was successfuly implemented in my second version…
QHY5 cold finger
This night I dreamt about zero cloud forecast for the next 3 nights. Unfortunately it has nothing in common with reality - the weather is as it is…
GSO photovisual coma corrector
Astrophotography with relatively large DSLR sensor using fast telescope has some consequences. Well known parabolic mirror issue is coma. To fight it…