Trifid Nebula M20


Scope: StarMax127 f/4 Location: Ramona, CA 7/3/2003 Camera: ToUcam SC3

Exposure: 12 x 30 sec IR filter plus 9 x 60 sec Orion Sky Glo filter for Luminance, 10 x 30/30/40 sec each RGB  filter.

Processing: Captured aligned and stacked in K3CCDTools with L,R,G,B saved as FITs. LRGB masters were registered and combined in Astroart. Some Lowpass filtering was applied followed by un-sharp mask on the Luminance frame. LRGB result was saved as a BMP. Background smoothing in SGBNR. Minor touch up in Photoshop.

This image was taken in Dos Picos park in Ramona.  Horizontal FOV is 30' North is to the left in this image for better object presentation in the image frame.


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