Plato, Archimedes, Eratosthenes etc, 5000 frames, QHY5LII-M

[turfpit]

Captured 13 May, 2019. Full res image here https://www.astrobin.com/full/408040/0/?nc=user.

Celestron C8, QHY5LII-M with IR cut filter.
SharpCap MONO8, 1280x960, SER 5000 frames, 14fps.
Camera - exposure 6ms, gain 5, offset 1.
Autostakkert 3 - 900 alignment points, stack best 40%, used _conv.tif output file. After running Analyse, 40% of the frames had a quality rating of 60% or better. Hence 40% of the frames were stacked.
GIMP - Contrast, Brightness, Sharpen (Unsharp Mask).

Plato-Eratosthenes-5000-frames.jpg (203.44 KiB) Viewed 1337 times

This is an annotated image of the region. Note the Apollo 15 landing site.

Plato-Eratosthenes-annotated.jpg (159.65 KiB) Viewed 1337 times

Dave

[BlackWikkett]

Very Nice Dave!

[turfpit]

Thanks Wickett. I think I have turned the corner now with lunar imaging as I am consistently avoiding having burnt out crater rims.

• focusing zoomed in to > 100%

• use of the 'over exposed' FX tool

• use of IR cut/IR685/#25 red filter

Hands-off focusing with a JMI MotoFocuser also helps with the C8 SCT scope.

Dave