About Image:

Melotte 15 is a vibrant, young open star cluster located about 7,500 light-years away in the constellation Cassiopeia. Situated at the center of the famous Heart Nebula (IC 1805), its massive, hot blue supergiant stars blast intense stellar winds that sculpt the surrounding gas into spectacular, glowing cosmic pillars.The cluster consists of several massive stars reaching up to 50 times the mass of our Sun, mixed with numerous fainter stars. On a cosmic timescale, Melotte 15 is extremely young—only about 1.5 million years old.The energetic radiation from this small group of stars ionizes the surrounding hydrogen, oxygen, and sulfur, painting the region in the stunning, rich red, green, and blue hues typically seen in narrowband astrophotography

⚙️** Equipment**:
Telescope: Orion 8" f/3.9 Newtonian Astrograph
Corrector: Mark III Baader Coma corrector
Camera: Canon 60D unmodified
Mount & Guiding: Celestron AVX Mount, Autoguided with Orion Starshoot 60mm guide scope
Location: The Backyard Country Observatory Clarksdale Mo.
📸 Acquisition Details:
Integration Time: 13h 8’
Light Frames: 197x240 ISO-1250
Calibration Frames: None
📅 Dates:
October 19,21/2023
💻 Processing:
PixInsight: Weighted batch preprocessing for stacking. Astrometric Solution: ImageSolver applied to the main integrated master to secure coordinates. Dynamic Background Extraction, SPCC color calibration. BlurXterminator, NoiseXterminator, StarXterminator. Histogram stretch on star & starless images, then recombined images using pixel math. Added luminous mask for curves saturations.
Photoshop CS5: Selective color adjustments, contrast, shadows & highlights, Unsharp Mask.
Final Touches: Went back in PixInsight, added luminous mask, experimental transformation, star reductions.