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Forum: Photographic Technique
03-01-2019, 06:23 AM
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So, first off, congrats on getting started with astrophotography. It's not easy, and there's a steep learning curve.
Next time you go out, spend more time driving to darker skies if possible.
Perhaps you could post a single original, unprocessed image so we can see what you did.
When you try again, a few suggestions:
- if you can, zoom in more, to make the Pleaides fill more of the field. They're tiny, so maybe this is the limit of what you can do with your lens/camera.
- change the white balance - eg Use "Sun" white balance, or adjust for a G2V star (yellowish star like our sun).
- The magenta-pinkness suggests incorrect colour processing or AWB in use.
- there seem to be some serious vignetting or challenges stacking - the background should be the same brightness across the field. Either crop the edges or do some flat fielding.
- ditch the teleconverter, it may be contributing to the vignetting and lack of sharpness.
- make sure the lens wasn't dewing over and no high cirrus clouds - it could explain some of the issues.
I hope you didn't spend more time stacking than you did getting the original images.;-)
Anyway, a good first effort - keep going, the more you do, the better the results.
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