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The Leo Triplet - a target that I needed to image again as previous efforts haven't really done it justice. This is the most successful attempt so far, largely thanks to the ZWO ASI1600MC Pro camera and by giving it plenty of exposure with not too much gain making for a smoother background and bringing out dust lanes and other details in the galaxies.  

014 x 090 second exposures at 161 Gain cooled to -20°C
081 x 090 second exposures at Unity Gain (139) cooled to -20°C
010 x 120 second exposures at Unity Gain (139) cooled to -20°C
016 x 180 second exposures at Unity Gain (139) cooled to -20°C

Total integration time = three hours, 30 minutes and 30 seconds
149 x dark frames
116 x flat frames
200 x bias/offset frames

Captured with APT
Guided with PHD2
Processed in Nebulosity, Fitsworks, and Photoshop 

Telescope:     Sky-Watcher Explorer-150PDS
Mount:         Skywatcher EQ5
Guide Scope:     Orion 50mm Mini
Guiding Camera:     ZWO ASI120MC
Imaging Cameera: ZWO ASI1600MC Pro
Baader Mark-III MPCC Coma Corrector
Light pollution filter

process 07.jpg

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Nice one Davide. 

I'm so happy to see that your new camera is really helping you on your journey :) 

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