Simulation in Astronomy
Download ( in Japanese )
The Best Exposure Time in Tri-color
Planetary Rotational Canceler
Mask patern for focus
Guiding Error Canceler
Unsharp Making Process
Tone Curve in Astronomical Image
Valuation of Star Spread Function program VSSF is coming soon.
Astro image editor SIRIUS is coming soon.
Removing Streak ( in Japanese )
How do we watch the Io, a satellite of Jupiter
Simulation of Mirror Surface
Images and Resolution