M76 (Little Dumbbell Nebula in Perseus)

Date: September (ST-10), November (XCM) 2007
Location: Elizabeth, CO. ~6500 ft., Mag 5.5 skies
Telescope: 16" f/4.9 Newtonian, Pegasus Optics primary, f/9.8 for luminance, f/4.9 for color. Large image scale at f/9.8
Mount: Mathis Instruments MI-500
Exposure: 216 mins B&W ST-10XME, 60 mins RGB ST-2000XCM
Correctors, filters, etc.: TV 2" 2x PowerMate on ST-10 giving f/9.8. 3" Keller/Wynne coma corrector on XCM, f/4.9. Custom Scientific luminance filter in front of Lumicon Ha filter used on each ST-10 sub. Custom Scientific luminance filter in front of XCM. Both ST-10 and XCM AO-L guided
Seeing: ~2"
Comments: Twenty-seven 8 min ST-10 subs median combined in sets of three. Medians deconvolved in CCDStack, 50 iterate PC. Deconvolved medians averaged in Maxim. Average DDPed/sharpened in CCDStack.HaRGB 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 M76)