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DPChallenge Forums >> Individual Photograph Discussion >> My sad first attempt at time lapse and stars....
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 03/14/2008 12:38:26 AM · #1


Any advice would be appreciated, I included the original in the notes of this...

03/14/2008 01:07:38 AM · #2
It is difficult to get anything that has a good star trail in or around any kind of city. This picture was taken out in the mountains near San Diego with a 35mm SLR, about a ten minute exposure.

I have basically taken a trial and error approach to night photography. Keep at it!

Photo
 03/14/2008 01:18:55 AM · #3
The comment Tom left I think is quite accurate. You have a large aperture and the ISO is up a bit. Long exposures are bad enough for noise, increasing the ISO adds to it. If you are doing this for yourself do a bunch of shorter exposures (1 or 2 minutes) and then lay them on top of each other. It will eliminate noise and your exposure won't be so difficult to handle. Of course this is based on what I've read and not actual experience :(
 03/14/2008 02:19:47 AM · #4
Originally posted by Citadel:
The comment Tom left I think is quite accurate. You have a large aperture and the ISO is up a bit. Long exposures are bad enough for noise, increasing the ISO adds to it. If you are doing this for yourself do a bunch of shorter exposures (1 or 2 minutes) and then lay them on top of each other. It will eliminate noise and your exposure won't be so difficult to handle. Of course this is based on what I've read and not actual experience :(


That is brilliant about adding multiples ! Yes I can't wait to get out of the city and try this. My next next attempt shall be from White Sands, NM in a week or so. Thanks for all of the advice Citadel, handicapjoe, and Tom, and rmezzo!
 03/14/2008 06:27:42 AM · #5
These were both taken out in the middle of the country on a very clear and calm evening aprox 40 minute exposure on each. ISO 100 AP 2.8



03/14/2008 08:52:45 AM · #6
One thing about shooting mulitples for star trails that I found out the hard way in Sedona, turn off the long exposure noise reduction. Otherwise the star trails will look perforated due to the "downtime" on the second half of each exposure.
 03/14/2008 12:46:04 PM · #7
Originally posted by Bugzeye:
These were both taken out in the middle of the country on a very clear and calm evening aprox 40 minute exposure on each. ISO 100 AP 2.8





Those are very nice, should have placed at least top 5, thanks.

03/14/2008 12:46:53 PM · #8
Originally posted by Telehubbie:
One thing about shooting mulitples for star trails that I found out the hard way in Sedona, turn off the long exposure noise reduction. Otherwise the star trails will look perforated due to the "downtime" on the second half of each exposure.


Thanks, more good advice. You all rock!
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