Distro Astro: Distro Astro is a Linux-based operating system for astronomy. It is packed with many different Astronomy software packages. You can install this in a multi-boot scenario on your computer or even as a virtual machine under the freeware hypervisor VirtualBox.
Brian Hunter mentioned this software to help produce data from an occultation event: http://astro-limovie.info/ Limovie Ver.0.9.29b (the latest stable version 0.9.29b): Limovie (Light Measurement tool for Occultation observation using VIdeo rEcorder.) is the tool produced for obtaining quantitative data from occultation observation video. It has been used for the observation of asteroidal occultation with small light drop, double star occultation and grazing occultation with no-instantaneous light change. The Limovie program is available as a free software from this site. And some informations about the result of Limovie analysis are shared.
Another good program is Occult Watcher v3.2 http://www.hristopavlov.net/OccultWatcher/OccultWatcher.html
OccultWatcher is a Windows program that helps astronomical occultation observers to stay tuned with the incoming events by tracking the asteroidal occultation predictions published and regularly updated in various sources called feeds. OccultWatcher searches the feeds you have subscribed for, for events that match your specified distance, star magnitude, event duration and other filter criterias. It allows you to announce your intentions to observe an event to all other observers around the world and helps the cooridnation in a global scale. At the time of the release of verion 3.2 there are more than 400 registered accounts (of people that announce their observing intentions) and more than 1500 known installations. The account registration and usage as well as the OccultWatcher software are absolutely free.
Monthly summary of stellar events - September Skies -Rick Wagner
1 – 15 Sep – look for the zodiacal light in the eastern sky during morning twilight. If you’re under very dark transparent skies at midnight you can try to see the even fainter gegenschein – the backscatter of sunlight from dust particles in the plane of the solar system. It will appear as an extremely faint glow about 10º across centred near Neptune about 12º south of the circlet of Pisces. If you don’t see either of them you’ll have another good opportunity in early October.
06 Sep – look for an extremely old (only 14 hours before new) extremely thin crescent Moon just slightly above the eastern horizon shortly before sunrise. This will be an extremely challenging, near world-record observation.
07 Sep – New Moon, 20:51EDT
08 Sep – the crescent Moon is 6 degrees to the upper left of Mercury (mag 0) very low above the western horizon shortly after sunset; much brighter Venus (mag -4.1) is 16º left of the Moon. See if you can see Spica (mag 1) 4º to the lower right of the Moon.
09 Sep – the crescent Moon has waxed to a slightly chubbier crescent and is now 4º to the upper right of Venus, forming a nearly equilateral triangle with Venus and Spica.
10 Sep – minor planet (2) Pallas is at opposition southwest of the circlet if Pisces.
13 Sep – First Quarter Moon
14 Sep – Neptune reaches opposition. If you have a telescope of 20cm or (preferably) larger aperture this is the season to try to spot Neptune’s largest moon Triton. It is about mag 13.5 and varies from 10-17 arcsec from the mag 8 planet. It is most distant from Neptune and easiest to see every ~3 days. If you watch it from night to night you can watch its retrograde movement – the only major moon in the solar system that orbits backwards. You can get a chart for your chosen observing time at https://skyandtelescope.org/wp-content/plugins/observing-tools/neptune_moons/neptune.html.
14 Sep – Mercury is at greatest elongation east, visible in the evening sky. But not a favourable apparition as the ecliptic lies close to the horizon at sunset and so Mercury will remain low and set soon after sunset.
20 Sep – Full Moon, 19:54EDT
22 Sep – autumnal equinox – astronomical autumn begins in the northern hemisphere; 15:21EDT