Practicing in APP with Opensource M31 Data

Hi Kirk,

Thank you for sharing, I will have a go at the data from Jerry, will post it later 😉

Mabula

Hi Kirk,

Oversaturation in blue was not apparent to me, did you see this in APP or in Star Tools?

This is my result with 100% APP:

First the integration:

After integration, corrected the field of view with the "remove light pollution" tool, necessary due to missing flats and always present light pollution gradients:

Then calibrated the background, so the background becomes gray ;-), notice the change in histogram when compared to the previous image :

Then did Star Color Calibration, look at the parameters that I used:

Finally, this linear data, stretched, saturated with background protection and sharpness with star protection:

Jerry's own processing is seen here:

Kind regards,

Mabula

Hi Mabula,

nice result, I’ll have another go at this one I think. 

Regards..,

Kirk

Hi Kirk,

For only 64 minutes of exposure time, it's nice data to play with 😉

Mabula

Posted by: Greg

Is there going to be a video on Star protection this is another feature I have not experimented with?

Hi Greg,

It's the bottom slider in the preview filter on the right, check the explantion under the ? button 😉

The Sharp and Protect slider are a duo, higher Sharp will increase sharpness, and lower Protect will reduce sharpening artefacts while enhancing nebula and galaxy details. Protect 0 is no protection though, so set protection at 2-3, that is usually pretty good.

Cheers,

Mabula

Thanks much Mabula, I will Tinker with them.