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While waiting for the Tarantula to get into imaging position to grab some Ha and OIII subs to add to the previous posted image, I decided to do a quick 47Tuc image. Unfortunately when centered, there was no guide star in the OAG at the current setup, and I did not want to alter the position of the OAG since it was still setup from a previous session to continue on NGC2070... so some unguided subs of the glob had to suffice... it's only 15 x 60sec, 15 x 30sec and 15 x 10sec subs in ISO800 at F10 using the modded Canon 40D. Seeing wasn't the best but surprisingly being unguided the stars were round, fat but round... I guess it's only 60 seconds at longest sub and PA was quite accurate.
© Mariusz Goralski