View Single Post
  #1  
Old 13-03-2024, 02:00 PM
Startrek (Martin)
Registered User

Startrek is offline
 
Join Date: Dec 2017
Location: Sydney and South Coast NSW
Posts: 6,697
NGC 5128 Centaurus A Galaxy from Obs

First light capturing this galaxy from my dark site Obs with the 2600MM
Location: South Coast NSW Australia
New Moon
Conditions : average seeing
Captured over 2 nights ( first night had annoying local passing cloud which resulted in less imaging time window of opportunity)
NexDome Obs
10” f5 Klaus Helmerich carbon fibre Newt
Skywatcher EQ8-R Pro mount
2600MM Gain 0 , cooled to -10C
Antlia 2” Pro LRGB filters
TS Optics GPU coma corrector
ZWO 7 x 2” EFW
Orion 60mm guide scope with helical focuser
ZWO 290MM guide camera
Lum 60 x 120 sec subs
Red 32 x 120 sec subs
Green 32 x 120 sec subs
Blue 32 x 120 sec subs
Dithered each sub
Flats for LRGB filters
Bias frames from Library
Dark frames from Library
Total integration 5 hrs

Tracking and Goto EQMOD and Stellarium
Captured with APT
PHD2 Multistar Guiding ( 0.60 to 0.65 arc sec total )
Exposures evaluated in ASTAP
Analysed , Calibrated and Stacked with ASTAP
Post processed in Startools version 1.7 ( data set loaded via Compose , Luminance / Color set to L + Synthetic L from RGB, RGB

Fairly pleased with my first broadband LRGB galaxy image from the 2600MM at my dark site , certainly a big improvement from my 2600MC , with less noise and more fidelity and fine detail.

Link to Astrobin for full resolution…….
https://www.astrobin.com/fclofu/

Attached original frame size and Crop version 200Kb

Comments welcome
Thanks for looking
Martin
Attached Thumbnails
Click for full-size image (NGC 5128 Centaurus A Galaxy Narra 120sec LRGB Gain 0 rev 3.jpg)
207.3 KB93 views
Click for full-size image (NGC 5128 Centaurus A Galaxy Narra 120sec LRGB Gain 0 rev 3 Crop.jpg)
194.6 KB84 views
Reply With Quote