Vacation Astrophotography -- Galilean moons
With cloudy conditions predicted for the whole week, left the mount and telescope at home for this vacation to the outer banks. Did find one evening to play with the venerable 500mm F8 Quantaray on the equally venerable Olympus OMD-EM5 with a small telephoto bracket. Results for nearly handheld were interesting... if only in spotting the four Galilean moons. Attempted a variety of exposures to try and capture any detail on Jupiter... but even with 3.75um pixels, it wasn't happening. Astronomy tools shows for that sensor on the 500mm focal length lens, the resolution is 1.55"/pixel... and for a 61.5mm aperture the best possible resolution is 1.89 arc seconds... so not much hope for planetary there.
The sky and telescope site showed this for the location of the Galilean moons this evening (Calisto, Europa, Io and Ganymede:
Using rawtherapee to process the raw Olympus frames, was able to pull out the following for the planet:
Comments
Post a Comment