Object : | Moon |
Object size : | 0.5 degree |
Object magnitude : | - |
More to know : |
Wikipedia:
https://en.wikipedia.org/ wiki/ Moon |
Date : | May, 2001 |
Time (UT) : | ? |
Mount : | EQ4, motor |
Lens/telescope : |
MTO Rubinar 4" 1000 mm f/10.
This is a very advanced lens, but it has some problem with internal reflections. |
Corrector/Barlow : | Pentax 2x Pentax tele extender |
Field (FOV) : | 0.3x0.3 degree, before cropping |
Filter : | none |
Camera : |
Spectra Source Instruments HPC-1, CCD 1024x1024 Camera from Stockholm University |
Exp. time : | 0.01 seconds. |
Image process tool : | Matlab, All image processing done by my own developed Matlab routines. |
Processing : | resize, level, cal dark, mosaic from four images |
Weather : | |
Comment : |
The rays from the crater Tycho are clearly seen,
up to 2000 km length. The Moons diameter is 3476 km. |
More to know : |
Wikipedia:
https://en.wikipedia.org/ wiki/ Moon |
Date : | May, 2001 |
Time (UT) : | ? |
Mount : | EQ4, motor |
Lens/telescope : |
MTO Rubinar 4" 1000 mm f/10 |
Corrector/Barlow : | Pentax 2x tele extender.
This extender is of very old construction, maybe 1960s.
It has the Pentax M42 thread which make it very sturdy. |
Filter : | none |
Camera : |
Spectra Source Instruments HPC-1, CCD 1024x1024 Camera from Stockholm University.
Started to use this camera in the middle of 1990s and it was my introduction to
digital photographing. Very expensive at that time. |
Exp. time : | 0.01 seconds. |
Image process tool : | Matlab, All image processing done by my own developed Matlab routines. |
Processing : | resize, level, cal dark, mosaic from four images |
Weather : | |
Comment : |
The craters are more easy to see (the shadows) when the moon is in half phase. |