Jan 31 2026: APP 2.0.0-beta40 will soon be released with many fixes especially for Linux, upgraded development platform and 10-20% performance boost !
Jan 15 2026: FIXED LICENSE SERVER VPN Tunnel issue
 The issue could have prevented APP to start when using a VPN tunnel or another complicated network configuration, like using APP on a remote computer on a different continent. This issue is fixed now and APP should start normally.
Jan 04 2026: Update on the 2.0.0 release & the full manual
We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version. Unfortunately, Mabula was struck by a severe flu virus in the past couple of weeks and thus could not work. He is getting much better now and he has resumed work to release 2.0.0 as soon as possible. Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.
Nov 28 2025:Â APP 2.0.0-beta39 has been released !
Hi,
I have split my RGB OSC image taken with an lextreme dual narrow band filter inter Ha and OIII. When trying to combine it again to an RGB image a Java Script error occurs and the combination process stops:
I am using APP 1.082 on a Windows 10 laptop
Thanks,
Markus
@markusd112 Hi Markus. First a small but unimportant correction. APP is written in Java, not JavaScript.
Having said that, for combining Ha and OIII data you better use the HOO 1 or HOO 2 formulae. Have you tried those?
@markusd112 Hi Markus. First a small but unimportant correction. APP is written in Java, not JavaScript.
Having said that, for combining Ha and OIII data you better use the HOO 1 or HOO 2 formulae. Have you tried those?
Sorry, I mean Java not JavaScript 😉Â
I have done it using a tutorial video from Daniel Nimmervoll
It's the second time I have used my lextreme filter and APP for separating and combining it. Before several months it has worked for my first try, so I am not very familiar with all the options in the moment.
With this thread I wanted to inform about the Java error message, because I think such an unhandled exception should be covered with a meaningful error message.
I will try again a little bit, maybe it works when changing some options...
Thanks and CS
Markus
