Sunflower Galaxy M63
Spiral Galaxy in Canes Venatici
M63: This is a 9th magnitude spiral galaxy in Canes Venatici. It is estimated to be approximately 24 million light years from earth, and approximately 90,000 light years in diameter.
LRGB: 75:35:40:25 (five minute images, L, R and G all unbinned; B binned 2x2).
Equipment: 10" LX200 at f/4.6, and an SBIG ST-7E camera/CFW-8 color filter wheel
Image Acquisition/Camera Control: CCDSoft V5.
Processing: All images calibrated (darks and dawn flats) and registered in AIP4WIN. All layers mean combined in Ray Gralak's sigma reject program. Luminance layer run through Richardson-Lucy in AIP4WIN. Color combine, and adjustment of curves and levels performed, and unsharp mask and gaussian blurs applied, in Photoshop 6.
Location: My yard in Redmond, Washington, elevation 500'.
Date: All images taken during the night of 3/1/02.
Moon Phase: Waning Gibbous.
CCD Temperature: -30C
Copyright Mark de Regt, 2002