- Exposure time: 180
minutes (20 minute 2x2 binned sub-exposures)
- Processing: Nebulosity 2.3 (pre-processing,
stacking); RegiStax 5.1
(waveletting) and Adobe
Photoshop CS4 (post-processing)
- Lens/telescope: Vixen VMC260 (10.2") Cassegrain at f/11.5 with Baader
H-alpha 7 nm narrowband filter
- Camera: SBIG ST-8300M (T: -23 degrees
Celsius)
- Mount: Astro-Physics Mach1 GTO
(guide rate: 1x, PEM activated)
- Guiding: TS OAG + SX Lodestar +
PHD (RA Aggressiveness 70; RA Hysteresis
20; Min. motion (pixels) 0.70; Star mass tolerance 1.00)
- Location: Zoetermeer, The
Netherlands
- Date: July 15
- 16, 2010
- Notes:
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