The specifications are: The application should allow the user to read the Astrophotography Picture Of the Day published by NASA at...

We had a perfect weather all day long and 15 minutes before the transit started, dark clouds rolled in and ruined the show! I got these...

A quick reminder … Don’t miss the last Venus Transit until 2117! It starts today (june 5th) at 22:09UTC. Venus will be visible against...

I posted these two barndoor mounts on Thiniverse a few days ago. One is manually operated while the other is motorized. Manual Stars...