Scope: C8 f/5;
Location: Del Mar, CA; 4 Nov. 2004; Camera: ToUcam SC3
Exposure: 20 x 12 sec and 18 x 4 sec Luminance exposures with IR Block Filter,
15 x 12 sec R,G,B
Processing: Images were captured in K3CCDTools. Aligned/stacked in Registax and
saved as FITS. Luminance and Color channels were scaled and rough color balanced
in Astroart. Channels were co-registered in Astroart. The 12 sec
exposure was used as the base Luminance channel. The shorter Luminance exposure
was normal combined with core mask to desaturate the core in the Luminance
channel. Luminance and Color FITS were combined in Photoshop with Luminance
Layering. Color balancing and final touches in Photoshop. SGBNR (PixInsight LE)
was used to smooth background noise on the luminance channel and the final
result. Resized to approximately 800x600.
This image was guided. This is a very late season M13 taken in Western skies just after Dusk. Light pollution worked to limit my exposure so the image does not go deep in star field and the core is a bit blurry and unresolved. However, this image is an improvement over my earlier image that can be seen in the Archives here. Perhaps another time I will have another attempt at this object. Horizontal FOV is 16'