python logo: this drawing: This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license. You are free: to share – to copy
The brightness (SQM) value of the twilight sky NSSKY planetarium program Python 3 source code illumination of twilight luxes from sun altitude sun altitude
Terrain shading layer was generated with the following Python script (requires Python Imaging Library and NumPy): # Read SRTM3 file and create shaded relief
Terrain shading layer was generated with the following Python script (requires Python Imaging Library and NumPy): #Author: Morn the Gorn #source: https://commons