Re: (meteorobs) LM's

• To: meteorobs@jovian.com
• Subject: Re: (meteorobs) LM's
• From: Steve Harrison <ko0u@os.com>
• Date: Fri, 07 Jan 2000 23:04:49 +0000
• In-Reply-To: <200001072127.AA18291@trilliandot dev.latrade.com>
• References: <Your message of "Wed, 05 Jan 2000 19:29:38 CST." <007901bf57e5$80f91cc0$3dd6fed1@oemcomputer>
• Reply-To: meteorobs@jovian.com
• Sender: owner-meteorobs@jovian.com

At 04:27 PM 2000-01-07 -0500, you wrote:
>Tom, your impression is interesting to me: I do see very occasional mag 7
>meteors under LMs of 7.5 or lower (my meteor magnitude estimate naturally
being
>based on star magnitude comparisons, for the doubting Thomases amongst us!
;>)
>However, when I observe from my backyard in Medford MA, with LMs usually
between
>5.0 and 5.5, I've very rarely seen a mag 5 meteor, and do not see many 4s!

I've noticed the same. Perhaps our eyes become more sensitive to momentary
weaker stimuli when the average light level is lower?

Should be able to simulate this using Sirko's LM-estimation program.

SteveH
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