NGC 5139 Omega Centauri
Captured a quick Omega as its well placed after dark
Used my new TS Optics GPU coma corrector again
85% waning moon
Bortle 7/8
6” f6 Bintel GSO newt
EQ6-R pro mount
ZWOASI2600MC set in Ascom again 100 , cooled to -10C
36 x 90 sec dithered guided subs
30 x Flats
30 x Bias
EQMOD, Stellarium, APT
Stacked in DSS
Processed in Startools V1.7 OSC Linear data set
ST Workflow ( duration 20 mins )
AutoDev first stretch for inspection
Bin 71%
Crop edges for stacking artefacts
Wipe default
AutoDev final stretch
Contrast default
HDR core only
Colour Scientific ( colour constancy ) RGB ratio
Noise reduction 4 pixels
Finish
Save
Original frame ( 1.6MB reduced by IIS to 220KB )
Crop frame ( 1.1MB reduced by IIS to 213KB )
Comments welcome
Thanks
|