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The Great Rift (Ha) |
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Click here to enlarge photograph.
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DESCRIPTION The above image is a closer view of the 'Gulf' region of the North American Nebula. The image was recorded with a filter designed to transmit light emitted by hydrogen atoms. Constellation: Cygnus - Distance: 1,600 Light years RA: 20.59 35 - DEC: +43.38.18 - Magnitude: n/a - Apparent Size: 56' x 38' |
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| Date Taken: 07.30.2004 Telescope: Intes MK69 6" f/6 MakCass Focuser: Finger Lakes DF-2 Camera: SBIG ST10XME / CFW-8A Mount: Astro Physics AP900GTO Guider: Borg 76ED F6.6 and ST7XME Filter Set: Custom Scientific Ha (4.5nm AR) |
Ha: 6 x 600 sec 1x1 Data aquired unattended with CCDAutoPilot using 2.5 pixel dithering and automatic focus routines between exposures. Total Exposure Time: 60 Minutes (1.00 Hour) Calibration, registration and image combine in Mira Pro 7. Debloomed with Ron Wodaski's DeBloomer Plugin for Maxim DL. Ha data deconvolved using 2 passes of CCD Sharp and then DDP stretched in Maxim DL. Historgram adjustments and iterative sharpending using Photoshop CS. |
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