Using XPA remotely ================== XPA starts by default using network communication with access control. ... Copy and append id_dsa.pub to $HOME/.ssh/authorized_keys on the system you are connecting to. ... If you are connecting from an observer's computer to a telescope computer that is not on a local area network, you may also need to change the firewall settings to enable SSH. ... The ssh command forward the port 5901 on your local computer to the same port on the telescope computer. ...

AO Home AO Astronomy Robert Minchin Blog Publications IDL Routines . ... The routine returns a 14-element mas structure that can be displayed using masplotall. ... b - mas structure that will contain the reduced DPS data. bpcal - input mas structure containing the bandpass calibrator to be used. baccum - mas structure that will hold the accumulation. ... Smooth a mas struct with a tophat (a.k.a. boxcar average) function, using the IDL smooth routine, or using a boxcar median or a Hann function. ...

... In many cases, this includes the acquisition of the data itself, across the INTERNET. ... We propose to use a real telescope, with digital camera, as a network device which will allow students in a remote classroom to acquire and analyze real data. ... Use of this image processing software through X-windows would also demand high bandwidth connectivity as the image file, which are painted on a remote screen, are still quite large. ... All the observing is done from Eugene, using the INTERNET. ...

... The "Marketplace" provides a gateway to collaborative projects, astronomical data and software, and to professional astronomers in the different participating countries who have agreed to support the project. ... Over the past few years there has been a movement within astronomical software towards "Open Systems". ... With these three minimal assumptions it is possible to build a customized image-display driven data analysis system as well as automated data reduction pipelines. ...