RE: (meteorobs) Radiant rising time

• To: "'meteorobs@jovian.com'" <meteorobs@jovian.com>
• Subject: RE: (meteorobs) Radiant rising time
• From: Rob McNaught <rmn@aaocbn.aaodot gov.au>
• Date: Thu, 25 Mar 1999 07:49:48 +1100 (EST)
• In-Reply-To: <01BE75D7.22402480@colo214.naxs.com>
• Reply-To: meteorobs@jovian.com
• Sender: owner-meteorobs@jovian.com

Note that when calculating radiant rise time, the zenithal attraction must
be taken into account.  For low-velocity showers this amounts to several
degrees.  The radiant rise is when the depression angle (angle below the
horizon) equals the zenithal attraction for observed radiant on the
horizon.

Cheers, Rob

Robert H. McNaught
rmn@aaocbn.aaodot gov.au

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• RE: (meteorobs) Radiant rising time
• From: stargazer@naxs.com (George W. Kelley, Jr.)

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