Picture quality

[Pitch Black Skies]

After I process my images on the laptop, I usually transfer the .tiff to my phone via bluetooth. When I open the picture with tiff viewer app the image looks poor.

I'll then open the .tiff with Adobe Lightroom and export it as .jpg for uploading to this forum.

The end result always looks degraded. Is there a better way to go about this?

Edited April 6, 2022 by Pitch Black Skies

[DaveS]

For upload to the forum I export a JPEG directly from the editing software.

I have a wide gamut monitor which is calibrated for my processing.

[The Lazy Astronomer]

Try saving as png?

[DaveS]

PNG is great, but file sizes can be rather big.

[DaveS]

I export as PNG for printing, but the files have been pushing the 80 MB point.

[Pitch Black Skies]

@Dave S @The Lazy Astronomer

I use Startools. It seems to only output as .tiff.

What about loading it into GIMP and exporting from there?

I suspect the tiff viewer app on my phone is the culprit.

[The Lazy Astronomer]

Startools can output as tiff, jpeg and png.

I'd love it if ST would allow to output fits as well - I'd like the option to mix and match ST and other software where appropriate, and it's a request I've seen made a couple of times on the ST forums, but Ivo doesn't seem too keen on implementing it. 

[Pitch Black Skies]

22 minutes ago, The Lazy Astronomer said:

Startools can output as tiff, jpeg and png.

Okay I've just figured out how to do it.

It doesn't show a drop-down menu in the file type for me when saving. It just says 'All files' and I have a manually type either .jpeg, .PNG, etc after the file name to get it to save it in that format.

[The Lazy Astronomer]

Yes, it's a slight oddity of ST - it doesn't tell you what formats it can output, you sort of just have to know.