From SharedSkies

Revision as of 19:58, 2 July 2016 by WikiSysop (Talk | contribs) (Video Conferencing)

The Shared Skies network incorporates servers, instrumentation computers, network power switches, video servers and video conferencing at campus sites and observatories:

University of Southern Queensland Mount Kent Observatory (Primary server at MKO used for data archive and Shared Skies links) (Backup server at MKO used for batch processing) (CDK20 South) (Operator console) (CDK20 South power control)

University of Louisville Information Technology (Primary server at U of L used for data archives and host of Shared Skies ). (Backup server at U of L used for batch processing)

University of Louisville Moore Observatory (CDK20 North controller) (Site operator console) (Local web server and host to weather station and environmental monitors) (Local processing) (RC24 controller) (RC24 operator console)

University of Louisville Class and Conference Rooms (Physics and Astronomy) (Planetarium)

Video Conferencing

Video conferencing between sites and observers is handled through Ezuce Viewme. This is a cloud-based service providing support for Linux, Android, Mac, and Windows operating systems and up to 25 remote participants.

Video Servers (Fisheye fixed view of the northern sky) (Pan tilt zoom sky camera at Moore Observatory) (Fisheye fixed view of the southern sky) (Pan tilt zoom site camera at Moore Observatory) (CDK20 North video server) (Pan tilt zoom site camera at Mt. Kent Observatory) (Pan tilt zoom CDK20 south dome camera) (CDK20 South video server)

Connections Between Observatories

Connections between observatories are limited by university firewalls

Networks at the University of Louisville and the University of Southern Queensland are connected through Internet2 from Louisville to Sydney, and a high speed network within Australia. From the Toowoomba campus to Mt. Kent a line-of-sight microwave link provides a data rate of 50 Mb/s. From the Louisville campus network to Moore Observatory a commodity T1 line limits data to 1.5 Mb/s.

Outside access to the University networks is limited by firewalls as shown in the figure. Direct control of the telescopes for remote observing is available only through the virtual private networks (VPN's), or through web-based interfaces. At Moore Observatory in the T1 service from campus is switched to servers and operator consoles in the main building, and to computers, and control systems in each enclosure. A separate local area network connects the Moondog server to specialized devices that do not require access from outside the observatory.

Moore Observatory Local Network

Moore Observatory network

Many instruments that are needed for observatory operations are connected to a local network managed by the Moondog observatory server. A local intranet runs from a switch at Moondog to each of the enclosures, and switches in the enclosures enable simple local private connections as needed. A short range WiFi network allows user laptops to connect to instruments behind the Moondog firewall so that operators may have their own laptops connected to the telescopes.