From Marc
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Little soft but great image scale.
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I agree. I was very tired and published the image without finish the processing. It needs some sharp to enhance some details of nebula surface. But it needs to be with very carefull, to don't destroy de good and natural appearance of stars near, inside and in front of. I did it only on the easy access areas.
I need identity some blue stars to enahnce theirs colors, too.
From Rod
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nothing worse than pc software playing up on a crystal clear night
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Yes, Rod, yes ! I didn't understand: nothing was working well, and I only solved the problem when I decided to do a complete change in conection USB and ports. I have three, and always I use the same to the equipments. But this night... I need to change the ASI and Canon camera.
After this all works well.
I was shotting Ant Nebula, wainting to M 8 get a good position in the sky. When it occured, an weird, strange, E.T. cloud appeared from nothing. The unique cloud of and on the sky. And ... just in front of my target M 8. 40 minutes waiting to clear the area, with my target going to an area over a near city with more light pollution !
Kevin, we were talking about Canon and DSS processing of image. The clear sky, and low refraction, helped very much the quality of the image. But the number of photos and ISOs used show what I always say about Canon and DSS. If I use high ISO or long exposure time I can saturate the stars with stacking in DSS. Loosing colors and details.
I could use a little more time to light photos. I did 120 seconds, and maybe 150 seconds would be ideal. But for the histogram, it was ok with 120.
Because unmod Canon I would need more than 1 hour to Halfa. Despite the result from stacking in DSS of the Halfa is well.
Low exposure time and hight ISO seems to be the best set to Halfa with my set of equipments.
Thank you for comments, Paul.c and Lee. I am glad to know that you like the result.
I will process the Ant Nebula and RCW 102. I did, now, RCW 103 a very faint and small half-ring nebula to my final test of use (or not use) the Halfa and filter wheel. I will publish them when ready.
