TS72 APO + TS72flat on a Nikon d610
432mm /f6/ iso800
11hrs 15min. Data acquired over 3 nights.
Stack of 30sec, 60sec, 120sec and 180sec
extra stack for the core with exposures of 30sec and 60sec for a total of 90min.
extra stack with exposure of 30sec for a total of 25min for finer core detail.
Tracked with the Star Adventurer