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[vsnet-chat 5798] Re: [AAVSO-DIS] survey, pixy etc
- Date: Tue, 31 Dec 2002 11:10:50 +0900 (JST)
- To: vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
- From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
- Subject: [vsnet-chat 5798] 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
Re: [vsnet-chat 5793] Re: [AAVSO-DIS] survey, pixy etc
> 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.
Okay, that's fine. It would be, however, a good practice to check
this kind of well-known problem in some existing filters.
Regards,
Taichi Kato
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