M16 (Pillars of Creation in Serpens Caput)

(Click here or on image for a larger version)

Date: July, 2008
Location: Elizabeth, CO. ~6500 ft., Mag 5 skies
Telescope: 16" f/4.9 Newtonian, Pegasus Optics primary
Mount: Mathis Instruments MI-500
Exposure: 80 mins luminance ST-10XME, 60 mins RGB ST-2000XCM
Correctors, filters, etc.: 2" Televue PowerMate on ST-10 giving f/9.8. Ha filter used on each ST-10 sub, Custom Scientific luminance filter on each XCM sub. Keller/Wynne coma corrector on XCM at f/4.9. ST-10 AO-L guided at ~11 Hz, XCM normal self-guiding
Seeing: ~2"

Ten ST-10 subs, each 8 mins long, sub-medians created in Maxim. Sub-medians summed in Maxim. Deconvolution/DDP/sharpening in CCDStack

Six XCM subs, each 10 mins long, calibrated in CCDOps, color converted, median combined, medians summed in Maxim. DDP in Maxim used to create colorizing image from sum. Color/luminance images registered in Registar. Final LRGB assembled in Corel's PhotoPaint 12 using LAB

Return to the Nebulae Images page or The Bell Observatory homepage or go to SEDS page (astronomical information on M16)