Robots, Astrophotography, 3D Printing, Programming. Science

Ubuntu Shortcuts

https://support.system76.com/articles/ubuntu-keyboard-shortcuts/ Ctrl + Alt + ↑/↓ switch workspaces up and down.SUPER + ←/→ tile windows to the left and right of your display.SUPER + Tab quickly switches between your open windows.

Strawberry Wine

This recipe is from my first attempt at making wine and is adapted from one in Home Winemaking by Jack Keller. I am currently making this wine, so this post will be updated from time to time. Equipment Needed Primary Fermentation Vessel pH Meter TA Test Kit Hygrometer Ingredients 3 ½ lbs Frozen Strawberries 1... » read more

PixInsight: Generalized Extreme Studentized Test Rejection Algorithm

This post is a collection of notes regarding PixInsight’s Generalized Extreme Studentized Test Rejection Algorithm. It is gathered from the following PixInsight forum post. An explanation of the algorithm can be found on NIST. ESD Significance Parameter The ESD significance parameter does not define a Boolean condition (reject or don’t reject) over the whole stack.... » read more

The Elephant’s Trunk Nebula

This summer’s target is the Elephant’s Trunk Nebula which is a small part of IC 1396, an emission nebula located in the Cepheus constellation. Equipment To capture this target I am using the following setup: Telescope: Williams Optics RedCat 51 Filter(s): Optolong L-Pro 2″ filter Camera: ASI2600MC Pro Mount/Star Tracker: Starwatcher Sky Adventure Pro EAA:... » read more

Temperature Calibration Tower for Prusslicer
Temperature Calibration Tower for Prusslicer

In this post I will show you how to print a temperature tower with Prusslicer.  Temperature Calibration Tower This temperature tower has markings for temperatures in 5 degree increments from 240 C downto 185 C. The printing is done in reverse to prevent cold extrusions (which are bad!!!) if the temperature is too low. Note,... » read more