![]() I believe I do have noise reduction on, so I will check that. Wow, firstly thank you all for you input. If you noticed the gaps at all do you see that they are more noticeable in the second image? The second image was shot facing East. Get those gaps small enough and I guarantee you they will go unnoticed. My buddy Andy Morris described how to do it. You might find my Stacker's Checklist helpful.īy the way, fixing this particular issue is not difficult in photoshop. It sure would be helpful to also know what your focal length was for these shots.īottom line, however is that Mark is spot on about minimizing the gaps between exposures. You're pointing east or west where the angular velocity will be the highest. Mark S Weaver edited this topic ages ago. The longer your focal length, the less time you can have between shots or those gaps will appear. You should have your camera set to take the next shot immediately after the pervious one. Do you have more than a second between shots. ![]() Thanks!Ĭould also be noise reduction, the camera can take a second "dark" exposure which doubles the exposure time, giving the dot effect I believe I did have VR off, I will do another just to check. Hmmm.did you turn off vibration reduction on your lens? The VR function can cause problems when taking pics with a tripod. Heres an example, please be kind I am new to this!! lol Only way to ensure I dont get one is to do a bulb constant opening for 30 mins and leave it at that. I am using a Nikon D90, with various focul lengths, normally around 200 ISO and varying shuitter speeds from 30 - 30 seconds to 5 - 30 minutes and I still get dots. I have used, Starstax and others and I still get the dots. I wondered if you could help me please? I have used various stacking software and my trails always come out as lines of dots instead of one long star trail.
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