RE: (meteorobs) More on LM estimates and sources of error in ZHRs

• To: meteorobs@jovian.com
• Subject: RE: (meteorobs) More on LM estimates and sources of error in ZHRs
• From: Stop Light Pollution! <GLIBA@grovx3.gsfc.nasadot gov>
• Date: Mon, 20 Dec 1999 13:57:19 -0500
• CC: GLIBA@grovx3.gsfc.nasadot gov
• Reply-To: meteorobs@jovian.com
• Sender: owner-meteorobs@jovian.com

Lew Gramer wrote, among other things:

>Second, the old presumption of 6.5 being a hard physical limitation of the
>human eye has long ago been disproved:

I agree. The limit is more like 7.8 magnitude.

>...........there are double-blind trials done in the past 20 years which 
>which have convincingly recorded human faint-star perceptions down to 
>*MAGNITUDE 8.9*!

What double-blind trials? I think this is hogwash!

g
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• Re: (meteorobs) More on LM estimates and sources of error in ZHRs
• From: Lew Gramer <dedalus@latrade.com>

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