M52 and Bubble Nebula (NGC 7635)
M52 and Bubble Nebula (NGC 7635) | |
Telescope: |
AP-130 at F/6 with Field Flattener. AP 600 GoTo Mount with ST-4 |
Film & Exposure: | Elite200 Slide, Two 35 min exposures |
Location: | My Driveway (Huntertown, IN), Moderate Light Pollution |
Date: | Sept 13, 1999 |
Processing: | Two 35 min images stacked in Picture Window blend mode |
Scanned with SprintScan 35+ | |
Levels and color adjusted in Photoshop | |
Stacked using Multipoint Feature of Picture Window; 20 points used | |
Enhancement of low level light area by Curves | |
Grain Reduction by 25% Light Mask Gaussian Blur of 2R + 35 Threshold | |
Red Halos reduced by Circle Marquee/10R Feather/Red Level 40% Reduction |
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