Saturday, March 28, 2026

20260327 Clear Skies with sudden rains

I still too the plunge to continue my Messier marathon.

The first target is M45 before it's sinking too low, I expect to spend 20 minutes with it for a 1.3x mosaic.  Starting from around 20:40. 

It refuses to perform AI denoise at 20 minutes, saying that the mosaic is incomplete.  I shall wait a little bit longer, maybe until 25 minutes.  So sad further exposure ruined the stacked image, I didn't save any individual and so it's really less than useable.  Just a record, 25 minutes wasted.

Broken M45 mosaic:

I hope to do one more two more objects before closing.

M100 is the next one, really low.  Let me do 8 minutes or so.

And then M98 with M99 before they sink too low (also with NGC 4208 plus NGC 4237), let me do around 8 minutes or so.


Then M67 for 5 minutes.

Finally M65 + M66 and also NGC 3628 before it snows (forecast), so for 30 minutes.   Got only 13 minutes before cloud rolling in.

Not a bad night, the forecast was bad but I got a handful of targets done.


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