[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
[vsnet-chat 5793] Re: [AAVSO-DIS] survey, pixy etc
- Date: Mon, 30 Dec 2002 18:28:23 -0700
- To: tkato@kusastro.kyoto-u.ac.jp,vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
- From: aah@nofs.navy.mil
- Subject: [vsnet-chat 5793] Re: [AAVSO-DIS] survey, pixy etc
- Cc: aavso-discussion@informer2.cis.McMaster.CA
- Delivered-To: vsnet-chat-archive@ooruri.kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
Taichi,
The Schuler filters follow the Bessell prescription, using
BG39 glass to form the red edge of the bandpass. That glass
automatically provides "red leak" protection; you do not have
to do anything special. This should be true for any V-band
filter from any commercial vendor.
Arne
Return to Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp