09/30/2011. After shooting M45 – The Pleiades for about 2 hours I moved to M42 – The Great Orion Nebula for about 2 hours also. The core is very, very bright and decided to scale down my exposures from 60 s to 300 s. I wonder if an even wider range of exposure could have helped gathered more data especially in the core and in the area surrounding the nebula. I used the same blending technique I had used with M32 – The Andromeda Galaxy.
- Date: September 30th 2011
- Camera: Canon 500D Baader Modified and CP30T-EOS Cooled (Sensor maintained at 15 C – Exif temperature: 15 C)
- ISO: 1600
- Exposures: ~ 2 hours total, 40 minutes of 60 s subs, 40 minutes of 120 s subs and 40 minutes of 300 s subs
- Mount: Losmandy G11 Gemini 2
- Imaging Telescope: AT65EDQ
- Guiding Telescope: ST80 w/ SSAG
- Calibration: Darks, Flats
- Stacking: DSS
- Final blending/processing: Adobe Photoshop CS5
