- 2 Frame Mosaic
- Exposure (each frame): LRGB
24x5min:10x5min:10x2.3m:10x3.25m
- Luminance binned 1x1
- RGB binned 2x2
- RGB Combine Ratios: 1.0:1.0:1.0
- Telescope: Stellarvue SV80S @ f/4.9
- Mount: Meade LX200 w/ super wedge
- Camera: SBIG ST-2000XM CCD, SBIG CFW-8
- Location: My backyard in Goleta, CA
- Date/Time:
- July 11/12, 2004, 22:37-00:58 PDT
- July 12/13, 2004, 22:27-00:26 PDT
- July 13/14, 2004, 23:37-01:51 PDT
- July 16, 2004, 22:37-23:32 PDT
- July 17, 2004, 22:52-23:57 PDT
- Processing: Taken and reduced in CCDSoft v5.
Combined
sub-exposures
with Ray Gralak's Sigma Clip. DDP to Luminance and Color with
custom
software. Color combined with custom software. Combined
frame registrstion done in Registar. Gradients
removed, levels/saturation adjusted, Luminance applied, Unsharp Mask in
Photoshop 8.
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- Name: The Lagoon Nebula, The Trifid Nebula
- Includes these objects:
- M8, M20, NGC6530, NGC6559, NGC6546,
IC1275, IC1274, IC4678, IC4684,
IC4685, B91, B303, & GN18.06.6.01,
- Type: Open Cluster, Reflection
Nebula, Emission
Nebula
- Constellation: Sagittarius
- About the Lagoon Nebula (M8)
- About the Trifid Nebula
(M20)
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