File:Heartandfish32hours.jpg
32 hours of Narrowband Exposure on the Heart Nebula.
Captured over 5 nights from Utica, Michigan.
All data processed in Pixinsight 1.8.9
4.5nm Hydrogen Alpha - 14 Hours 3nm Oxygen III - 10.4 Hours 6.5nm Sulfur II - 7.5 Hours
Meade 70mm refractor f/5 350mm focal length petzval APO
Zwo asi 1600mm pro -20c gain 139