- Exposure time: LRGB 120:40:40:40
minutes (10 minute sub-exposures for all channels)
- Processing: Nebulosity 2.3 (pre-processing, stacking & DDP); Adobe
Photoshop CS4 (post-processing)
- Lens/telescope: INTES 150 mm (6")
MK-69 at f/6 with Astronomik
LRGB filters
- Camera: SBIG ST-8300M (T: -20 degrees Celsius)
- Mount: Astro-Physics Mach1 GTO (guide rate: 1x, PEM activated)
- Guidescope: TS OAG + SX Lodestar +
PHD (settings other than default: RA Aggressiveness 70; RA Hysteresis
20; Min. motion (pixels) 0.35)
- SQM: 21.6 magnitude per square
arcsecond
- Location: Etoile St. Cyrice, Hautes-Alpes, France
- Date: August 6 - 7, 2010
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