Melotte 15 / IC1805 in Cassiopia
with 10" f/3.9 Astrograph
Uploaded 11/27/21

This stunning sparse cluster lies at the heart of, well, the "Heart Nebula" . This small 1 degree field shows pillars of nebulosity with structure and dark details. Total exposure 4 hours.
Select an image size for a larger view: 1400 x 1200
Instrument: 10" f/3.9 Orion Astrograph Newtonian with Baader MPCC Mount: Astrophysics 1200 QMD CCD Camera: SBIG 10XME NABG with Enhanced Water Cooling Guider: ASI120 w/80mm Vixen piggyback refractor Exposure: 4 Hours Total integration time: 1h RGB, 3h Ha 3nm AstroDon RGB Combine Ratio: 1: 1.05: 1.2 Location: Payson, Arizona, Elevation: 5150 ft. Sky: Seeing FWHM = 3 arcsec , Transparency 6/10 Outside Temperature: 45 F CCD Temperature: -25 C Image Processing Tools: Maxim DL6: Calibration, Deepsky Stacker, PixInsight: Curves, Deconvolution Photoshop CC Curves, Color Correction, Cleanup HOME GALAXIES EMISSION NEBS REFLECTION NEBS COMETS GLOBULARS OPEN CLUST PLANETARIES LINKS