This seems to be a common problem. I suspect it's something I'm doing wrong and I'd appreciate any tips. The weather is supposed to be good next week and I'm hoping to get some good milky way shots.
I have a K-3II, which is what I'm hoping to use and I also have a K-50 and an O-GPS which I bought some time ago but haven't really used.
This is what I did with both cameras.
1. Turned on the GPS, and waited until it acquired a position.
2. Did a calibration.
3. Turned on the Astrotracer
4. Did a precise calibration.
5. Took the images.
All Images are with the M28 F2.8 (and yes the focal length was correctly set in camera). I started after sunset and worked for an hour or two so the ISO varies some. I was just trying to get star images without blowing out the background, not trying to get great shots.
These are 100% crops. The star is Deneb (in Cygnus).
According to the astrotracer I should have been able to go as high as a 5 minute exposure.
Here are the results from last nights test.
1. A 30 second control image taken with the K-3II without using the Astrotracer.
2. A 30 second image from the K-3II with the astrotracer. This image was so poor I didn't try anything longer with the K-3II.
3. A 30 second image from the K-50 with the astrotracer (O-GPS), A little egg shaped but not bad.
4. A 120 second image from the K-50 with the astrotracer (O-GPS). Disappointing...
5. A 60 second image from the K-50 with the astrotracer (O-GPS). More egg shaped. (sorry these are out of order but I couldn't change it once uploaded)
I've seen some really stunning results from others so I'd appreciate any help