Celestial hemisphere:  Southern  ·  Constellation: Hydra (Hya)  ·  Contains:  M 83  ·  NGC 5236  ·  Southern Pinwheel Galaxy
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M83 Southern Pinwheel Galaxy from NexDome Obs, Martin Dowd
M83 Southern Pinwheel Galaxy from NexDome Obs
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M83 Southern Pinwheel Galaxy from NexDome Obs

Getting plate-solving status, please wait...
M83 Southern Pinwheel Galaxy from NexDome Obs, Martin Dowd
M83 Southern Pinwheel Galaxy from NexDome Obs
Powered byPixInsight

M83 Southern Pinwheel Galaxy from NexDome Obs

Equipment

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Acquisition details

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Description

M83 Southern Pinwheel Galaxy is the second object imaged from my NexDome Obs a week ago under clear Moonless Bortle 3/4 skies
Captured over 2 consecutive nights with the second night being more unstable

Conditions : Average seeing
Location : Backyard Obs South Coast NSW, Australia
Telescope : 10' f5 Klaus Helmerich Carbon Fibre Newtonian Reflector
Mount : Skywatcher EQ8-R Pro
Imaging Camera : ZWO 2600MC cooled to -10C , Gain 101
No filters ( only internal UV/IR Cut protective window )
Guide Scope : Orion 60mm with Helical focuser
Guide Camera : ZWO290MM
102 x 3 minute subs ( dithered )
40 x Flats
60 x Bias
Tracking and Goto : EQMOD and Ascom Stellarium
Capture Software : APT
PHD2 Multistar Guiding  ( 0.65 to 0.75 arc sec total )
Stacking Software : Deep Sky Stacker ( OSC Stacking over multiple nights )
Post Processing : Startools version 1.8 ( OSC Linear Data Set )
The Spatially Variant PSF Deconvoloution ( SV Decon ) module in Startools worked beautifully on this data set to "de blur" the image

This  image is the cropped version ( 2848 x 2077 )

Thanks for Looking

Comments welcome
Thanks
Martin

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M83 Southern Pinwheel Galaxy from NexDome Obs, Martin Dowd