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Re: (meteorobs) Question about Leonid photo
Or is it a (crop of) Fish-Eye photo?? I noticed the same phenomena with my
16 mm Fish-Eye!
Some of my Leonid Photos are now available on http://www.lepomedia.fi (click
first SkyPhoto Library, then Meteors). In a photo there is abouth 50 leonids
on the same photo.
I made my expedition to Taiwan among six other Finnish meteor enthusiast.
Timo Leponiemi
-----Original Message-----
From: Michael Clark <mrclark@internetcds.com>
To: meteorobs@atmob.org <meteorobs@atmob.org>
Date: 13. joulukuuta 2001 20:27
Subject: Re: (meteorobs) Question about Leonid photo
>Here's my guess on the astronomy picture of the day question.
>
>The camera is facing north-northwest and while the photo is being taken the
>radiant is rising behind the camera. That would mean the angled Leonids
came
>early in the exposure while the trains that appear to come straight down
are
>later when the radiant is high in the sky.
>
>I would think that this exposure was longer than 40 minutes though. Can
>anyone tell if that is accurate based on the length of the star trails?
>
>Michael Clark
>mrclark@internetcds.com
>Ashland, Oregon, USA
>
>----- Original Message -----
>From: "Ed Cannon" <ecannon@mail.utexasdot edu>
>To: <meteorobs@atmob.org>
>Sent: Wednesday, December 12, 2001 10:53 PM
>Subject: (meteorobs) Question about Leonid photo
>
>
>> On the Astronomy Picture of the Day for Dec. 12, there was
>> a nice Leonid photo:
>>
>> http://antwrp.gsfc.nasadot gov/apod/ap011212.html
>>
>> This is just to ask about the angles of the meteors. They
>> don't appear to be radiating from one point (To the left of
>> the observatory they appear to be approaching each other.),
>> but I know it has to be something about the optics of the
>> system and/or the radiant's motion over a period of time.
>> I'm not a photographer, so I know very little about types
>> of lenses, etc.
>>
>> Ed Cannon - ecannon@mail.utexasdot edu - Austin, Texas, USA
>>
>> The archive and Web site for our list is at http://www.meteorobs.org
>> If you are interested in complete links on the 2001 LEONIDS, see:
>> http://www.meteorobs.org/storms.html
>> To stop getting email from the 'meteorobs' list, use the Web form at:
>> http://www.meteorobs.org/subscribe.html
>
>The archive and Web site for our list is at http://www.meteorobs.org
>If you are interested in complete links on the 2001 LEONIDS, see:
>http://www.meteorobs.org/storms.html
>To stop getting email from the 'meteorobs' list, use the Web form at:
>http://www.meteorobs.org/subscribe.html
>
The archive and Web site for our list is at http://www.meteorobs.org
If you are interested in complete links on the 2001 LEONIDS, see:
http://www.meteorobs.org/storms.html
To stop getting email from the 'meteorobs' list, use the Web form at:
http://www.meteorobs.org/subscribe.html
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