Categories
Astronomy

Clavius

The Clavius crater is one of the bigger craters and it is located near the south pole in a heavily cratered region.
Water molecules have recently been discovered inside Clavius.

Categories
Astronomy

Montes Apenninus

The Montes Apenninus are a long mountain range between Mare Imbrium (left) and Mare Serenitatis (right) and the its highest peak is about 5400 meters.
Below the Montes Apenninus end on the Eratosthens crater and the largest crater in the photo is Archimedes.
Very interesting is the Rima Hadley that it is a rille near the western (left) edge of the Montes Apenninus, near the landing site of Apollo15.

Categories
Astronomy

Montes Carpatus

The mountain formation in the center of the photo are the Montes Carpatus that are several peaks separated by deep valleys.
The large crater just below is Copernicus while the crater near the right edge of the photo is Eratosthenes and between them you see the ghost crater Stadius, the rest of an ancient impact crater covered by lava.

Categories
Astronomy

Bullialdus

In this photo the most evident formation is the Bullialdus crater with a diameter of 61 km located on the western edge of the Mare Nubium, while on the eastern side of the Mare Nubium near the lower right corner of the photo there is Rupes Recta, a fault with a length of 110 km and about 300 meters deep.
West of Bullialdus on the eastern side of the Mare Humorum you can see a series of parallel rilles called Rimae Hippalus 240 km long and 4 km wide.

Categories
Astronomy

The Moon: Plato and Copernucus craters

On the night of December 26th 2020 I photographed the Moon 12 days after the new moon, then a crescent moon just some days before the full moon phase.

Categories
Astronomy

The opposition of Mars

A few days before the opposition of Mars, I got these four images between 20:15 UT and 21:25 UT on 13 October 2020.

Categories
Astronomy

The south pole of the Moon

This photo is one of the first photos taken with the new telescope on October 9, 2020 at 22:21 UT.

Categories
Astronomy

New Astronomy category in this blog

In the last 4 years I have not used this blog but now I want to resume publishing the photos taken with my new telescope.
Astronomy has been a my hobby since I was a child, unfortunately I had to stop for many years and now I would like to start observing the sky again.

On this page you can find my current setup.

Categories
Android

Saving and reading files in the internal storage

You can save and read files in the internal storage as private files which only your app can see except for other apps with root privileges.

Categories
Android

The class LruCache to manage a cache of bitmap objects

The intensive use of many images in an app can create difficulties to the responsiveness and to memory, shown by warnings like ANR (Application Not Responding) or errors like OutOfMemoryError.