For me, sometimes yes, sometimes no.
The question was posed to me in another thread...... and finally I am posting examples of why I do it as often as conditions allow. (good seeing)
If I have a good clear night (VERY rare out my way unfortunately) then yes, taking the best 10 or 15 images out of about 50-70 shot get me a nicer image. Better? Well... I think so.
I shoot with a 24MP Sony A77ii + a Minolta AF400/4.5 lens + a 2X TC. I normally shoot at about 1/50 sec, ISO 50 which gives me my best results.
Here is an example from last year. (2016-11-16) The following is a stack of the 11 best out of a series of 29 shot. (I usually shoot more) I first precropped the 29 raw files with PIPP which exported them into TIF files sorted by quality. I then took the best 11 and stacked them with Autostakkert!2. The stacked TIF I then processed with Astra Image (which I use for sharpening and microcontrast) then some light adjustments and conversion to jpg in LR. This is a 100% pixel crop from the file. It is Astra Image and a well stacked file that makes the magic. For this image I used two rounds of Deconvolution - the first a medium aggressive Lucy Richardson deconvolution for deblurring, followed by a ligher touch with another round of Decovolution using "Total Variation". I added no more sharpening in LR.
There is some rotation difference in my samples... that is just because I have not tried to match my chosen view for printing quite exactly. The second image, IS the best of the 11 images from the stack according to my sorting program.
Here is a 100% pixel snip of my processed, stacked file after final adjustments in LR. (I have a nice 16X20 printed of the full view)
Here is the single best file from the stack... processed with my meager skills in LR as best I can at a quick go. (output with 50% sharpening)
(EDIT: I have just found the original RAW - here is a processed LR jpg at 50% sharpening)
I hope some find this interesting.
Feel free to add your own thoughts! (or samples or edits. Even of mine. )