High Resolution Copernicus Ejecta Blanket Detail

[dave armeson]

Stack of 5500 frames using Autostakkert 2. Wavelet processing done in Registax 6. Post tweaks/Processing in Affinity Photo on MacBook Air.

Intes Micro 815 Deluxe f/15 Maksutov Cassegrain with 1/9.5 wave optics. Point Grey Blackfly Camera. Picked out some really fine/small detail here. The scope was properly cooled and thermally equalised under some steady early morning seeing. Not bad those Russians you know lol ?

[Freddie]

How many of the 5500 frames did you stack or are you saying this is a stack of 5500 out of how many?

[Freddie]

I guess we’ll never know then!!

[SIDO]

Very very nice, one of the best I've seen for some time. Awesome stuff...

[dave armeson]

On 01/01/2019 at 23:10, Freddie said:

I guess we’ll never know then!!

The Full 5500 in the stack. 

 

[Freddie]

Thanks Dave.  

Why would you stack all of the frames? The point of capturing lots of frames and stacking is that you can select only the best ones to stack. Depending on the gain you used you could stack as few as ~1000 (if it was very low gain) ensuring only those captured during the moments of good seeing would be included in the stack. You would only ever want to stack all the frames if you had perfectly steady seeing and therefore all the frames were as good as each other, which will never happen.

[Paul73]

Irrespective of frames/stacking.

It is one fine fine Luna image!

Thanks for posting.

Paul

[dave armeson]

On 11/01/2019 at 10:45, Freddie said:

Thanks Dave.  

Why would you stack all of the frames? The point of capturing lots of frames and stacking is that you can select only the best ones to stack. Depending on the gain you used you could stack as few as ~1000 (if it was very low gain) ensuring only those captured during the moments of good seeing would be included in the stack. You would only ever want to stack all the frames if you had perfectly steady seeing and therefore all the frames were as good as each other, which will never happen.

Was 5500 from a much larger AVI picked out the best and Voila !!

The larger in size Mb Fits/Tiff image produced has more data in it and I can push wavelet processing further without it breaking down.