I just ordered an IDAS LPS and will report back on how it works. The neat thing about the IDAS is that it's almost a continuous filter with just the Na, Hg and other sky pollution frequencies knocked out. At least I hope it'll work better than my Orion broadband skysglow which suppresses way to, well, broadly
-------------------- Best,
Sander
C11 on Atlas EQ-Q driven by EQMOD
William Optics M110 With FR-III
DS2090 guide scope
QHY-8, DSI-Pro and DSI cameras
watec 802h video camera with KIWI OSD
Occultations: http://occult.tungstentech.com Astro stuff: http://www.tungstentech.com