Melotte 15, Core of the Heart Nebula
Exposure time: 7 hours, 50 minutes (3x 600s SII, 41x 600s Hα, 3x 600s OIII) | Optics: Takahashi Epsilon-180ED f/2.8 | Cameras: ZWO ASI1600MM Pro (T -15 ºC) & ASI294MM Pro (T -15 °C) | Filters: Baader-Planetarium Highspeed | Mount: Astro-Physics Mach1 GTO | Location: Zoetermeer, Netherlands | Date: November 6 & December 18, 2020