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Old 02-08-2023, 05:00 PM
Startrek (Martin)
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Startrek is offline
 
Join Date: Dec 2017
Location: Sydney and South Coast NSW
Posts: 6,698
NGC 104 Globular Cluster ( 47 Tucanae )

Last night captured 47 Tuc , one of my favourite globs
I only get an hour or so on this object as my roof and a front council tree obstruct it’s path as it moves toward the south meridian

Sydney Bortle 8 skies
Full Moon ( so damn bright )
Conditions , poor to average seeing
8” f5 Klaus Helmerich Carbon fibre Newt
Skywatcher EQ6-R pro mount
ZWO 2600MC cooled to -10C , Gain 101
No filter
TS Optics GPU coma corrector
EQMOD and Ascom Stellarium
APT
PHD2 Multistar guiding

100 x 30 sec subs ( dithered every 3rd sub )
40 x Flats
60 x Bias
Stacked in DSS
Processed in Startools v1.8

OSC LRGB version
Synthetic Luminance version

Comments welcome
Thanks
Attached Thumbnails
Click for full-size image (NGC104 Globular Cluster 47 Tuc Peak 30sec Full Moon Flats Bias Gain 101 LRGB.jpg)
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Click for full-size image (NGC104 Globular Cluster 47 Tuc Synthetic Luminance.jpg)
207.1 KB121 views
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