Do NOT do long exposure noise reduction between shots. If you don't have a cable release you can pick one up on ebay for $5 or you may be able to use the interval mode if your camera has it (need to set interval to 31s or so (experiment, might need 32s etc.) This might give gaps between the stars trails, cable release is the best bet. The nikons limit you to 100 shots and then you have to reset the cable release. Do not use exposure delay mode, use highest frame rate to reduce interuptions between shots(make sure you're not blowing any highlights in the foreground, star trails are OK to blow out since there is no detail there anyhow.) Startrails.exe won't use raw files that I recall but you can always convert the raws to jpgs as an intermediate step in post which lets you color balance and adjust exposure much better. Try setting your camera for ISO 400 f5.6 30s, use a cable release and just continuously take shots. Get a rock solid tripod and weigh it down if possible. The downside is that you loose the ability to do raw processing (I really wish there was a program that would just add raw images and leave it in raw format, if one exists someone please let me know!!!!) įield Technique is simple. Stacking is the best way to go (startrails.exe is good) although that startracer program looks appealling. If you're on top of Haleakala then it's going to be really cold and you're going to get much less noise than you would in Death Valley in August. Temperature is also a big determining factor for noise. If you don't have much time using a longer focal length will fill the frame with star trails much quicker. For wide angle you need substantially more time than you may imagine (hours). This means that if your'e doing 30s exposures then you're only going to be able to get 50 minutes of trails. The newer cameras limit exposure sequences to 100 shots. If you're at ISO 800 for 2 hours and don't have long exposure noise reduction on then you're going to have problems. If you're at ISO 200 for 10 minutes and have Long exposure noise reduction on you will be fine. Having used many different Nikon DSLRS but not the D600 I have some suggestions.
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