AstroBin is the home of astrophotography - Share full resolution images, preserve acquisition details, discover equipment, discuss techniques, and learn from the community.Discover AstroBin

Solar surface texture looks too messy — tuning, processing, or bandwidth?

Filip Szczerek ImPPG (Image Post-Processor) Processing H-alpha Solar Filter Help Needed Sun
1 reply•62 views
Reason for the messy part
Multiple choice poll 0 votes
0% (0 votes)
0% (0 votes)
0% (0 votes)
You must be logged in to vote in this poll.
YingtianZZZ avatar
YingtianZZZ avatar

Hi everyone,

I’m looking for advice on my H-alpha processing/tuning. I paired my Lunt80 with 174MM and these are my recent tries:

https://app.astrobin.com/u/YingtianZHANG?i=24kkf5

https://app.astrobin.com/u/YingtianZHANG?i=zigex3

My problem is that the solar surface often looks very messy, or rice-like. In active regions I can see more continuous filaments around sunspots, but most of the areas look very messy after sharpening. I hope to get more neat images like an older image: https://app.astrobin.com/u/rigel123?i=64n5qz&r=0

I’m trying to understand the main cause:

  • Is this normal for single-stack / Quark?

  • Is my tuning possibly off-band, showing too much wing/photospheric texture?

  • Is this mainly a processing issue, especially too much small-scale sharpening in IMPPG?

  • Would double-stacking the Lunt 80 make the surface texture much smoother and more coherent?

Any feedback would be appreciated. I’m especially curious in whether this image suggests a bandwidth problem, or I simply need to tune the bandwidth better, or just gentle processing.

Thanks!

Well written Respectful Engaging
Tareq Abdulla avatar
Tareq Abdulla avatar

Your scope is not good, send it to me and i will fix it for you 😂

Well, you need to test many times, with same camera or other camera, try different times because maybe conditions are changing too, i feel you are close there, so give it more tries and see if the problem is still there the same, i don’t think it is processing really, and also double stacking won’t solve a problem of single stacking, if you can just post a snapshot or screenshot of your video of the sun before the processing, because we can see if processing is part of the problem or not.

From your gallery i can see that you also use the Quark, do you have problems with it too?

Engaging Supportive