Messier M8, M20 and M21
Photo Information
- From top to bottom: M21, M20 and M8
- Observing Location: Oregon Star Party
- Visual guiding
- Image: North is top, West is right
- Image size: one third NIkon D70 resolution
- Five x ~240 seconds images stacked: DSC_6262.NEF - DSC_6266.NEF
- DSC_6262.NEF image information
- Nikon D70
- 2006/08/24 21:52:41.9
- RAW (12-bit) Lossless
- Image Size: Large (3008 x 2000)
- Lens: 300mmED manual lens at F/2.8
- Focal Length: 300mm
- Exposure Mode: Manual
- Metering Mode: Center-Weighted
- 245 sec - F/2.8
- Exposure Comp.: 0 EV
- Sensitivity: ISO 800
- Optimize Image: Custom
- White Balance: Direct sunlight
- AF Mode: Manual
- Flash Sync Mode: Not Attached
- Color Mode: Mode Ia (sRGB)
- Tone Comp: Normal
- Hue Adjustment: 0°
- Saturation: Normal
- Sharpening: Low
- Image Comment:
- Noise Reduction: Fixed Pattern
Imaging Equipment
- Camera: Nikon D70
- Opitcs: Nikon 300mmED manual lens, f/2.8 focal ratio
- Guide scope: Orion Telescopes & Binoculars Apex 90mm Maksutov-Cassegrain
- Telescope Mount: Orion Telescopes and Binoculars Sirius EQ-G with GoTo Controller
Imaging Processing
© 1998-2005 David Haworth
