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jcham21
super member
Reged: 12/02/07
Posts: 143
Loc: Baton Rouge, Louisiana
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I plan on shooting the Geminid meteor shower next week. What is currently the best film for such a task. I will be using an Olympus OM-1 with a 50mm lens. Also, is it best to shoot wide open or a couple f-stops down? I would have to guess wide open in order to get the metoer to expose. A few years back I tried to get some meteors on E200 film and failed. I even saw bright meteors go through the area I was photographing. I was very disappointed when I didn't have any metoers on my slides. Perhaps it would have been best to push process in this case?
Thanks
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James
Canon XSi
Celestar 8
Check out my astrophotography gallery:
http://www.flickr.com/photos/23148441@N03/sets/72157603787621660/
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Mark9473
Carpal Tunnel
Reged: 07/21/05
Posts: 2695
Loc: 51°N 4°E
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Perhaps this can help: http://www.imo.net/photo/observation
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Mark
Leica 8x20; Vixen 8x42; Swift 8.5x44, 10x50 and 20x80; TS 7x50; Orion 15x63
WO Megrez II 80 FD + Baader 90° T2 Amici
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JBull
sage
Reged: 10/10/05
Posts: 401
Loc: Dallas, TX
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Hi James. I tried shooting the Leonid shower last year and didn't have any success. I used an OM-1 with 50mm Zuiko lens at f/2.8. One problem was that the storm was not very strong. I saw about a dozen meteors during the couple of hours that I was out. Unfortunately none of them passed across the frame while the shutter was open.
I exposed almost all of my shots for about 15 minutes at f/2.8. When I got the film back most frames were overexposed. Apparently the sky fog limit was about 15 minutes at f/2.8 under the conditions at my site. So the lesson I learned was to know beforehand the maximum exposure length for the film/f-stop/light pollution conditions.
I think wide open or stopped down from f/1.8 to f/2.8 is a good setting. The length of exposure should have been about 8-10 minutes for the skies under which I was shooting.
Good luck, I've read the Geminids should be very good this year.
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Jeff Bullard
Dallas, TX
Check observing forecast for astronomers anywhere in the world:
http://astroforecast.org:8080
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ClownFish
Post Laureate
Reged: 04/26/05
Posts: 5600
Loc: Islamabad, Pakistan
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Meteors are such short lived events, that faster film works better here. Try 800 or higher asa.
CF
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Learn all about POLAR ALIGNMENT with my Drift Method Tutorial and simulator!! Or visit my Foreign Service Blog!
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AstroBobo
sage
Reged: 07/04/07
Posts: 395
Loc: Zagreb, Croatia
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You should use the fastest film availible. Also, the lens should be wide open, you need as much light as you can get. Meteors are short lived, so you can hope to capture only the brightest ones.
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Boris Stromar : AD Infinitum member : Zagreb, Croatia, Europe
P75SDHF : P105SDP : MN71 : CGE : STL-11000
http://www.astrobobo.net
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