- Exposure: LRGB
48x5:10x5:10x2.2:10x3.65
minutes
- L binned 1x1, RGB binned 2x2
- Telescope: Stellarvue SV80S @ f/5.98
- Mount: Meade LX200 w/ super wedge
- Camera: SBIG ST-2000XM CCD, SBIG CFW-8
- Location: My backyard in Goleta, CA
- Date/Time:
- Luminance: August 12/13, 2004, 23:09-03:26 PDT
- RGB: August 13/14, 2004, 23:05-01:33 PDT
- Processing: Taken in CCDSoft v5 using custom
sequence/dithering software. Reduced and aligned in
CCDSoft.
Combined
sub-exposures
with Ray Gralak's Sigma Clip. DDP to with
custom
software. Selective blur in
Photoshop.
|
- Name: Barnard 142 & 143 (B142,
B143), the
"E" Nebula
- Type: Dark Nebula
- Constellation: Aquila
- 21,800 stars in this image!
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