- Exposure: LRGB Synthetic
L:4x15:4x6.6:3x8.4 minutes
- Synthetic luminance achieved by combining
all exposures in Sigma
- All exposures binned 1x1
- RGB Combine Ratios: 1.0:1.0:1.0
- Telescope: Meade
10" LX200 @ f/6.3
(with Ted Agos adapter)
- Mount: Meade
field tripod w/ super
wedge
- Guiding: AO-7 @ 2-4 Hz
- Camera: SBIG ST-2000XM CCD, SBIG CFW-8
- Location: My backyard in Goleta, CA
- Date/Time: April 22/23, 2004, 22:27-01:10 PST
- Processing: Taken and reduced in CCDSoft v5.
Combined
sub-exposures
with Ray Gralak's Sigma Clip. DDP to Luminance/Color with custom
software. Five iterations of CCDSharp to Luminance. Color
combined with custom software. Curves/levels/saturation adjusted,
Luminance applied, and selective blur in Photoshop 7.
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- Name: M53, NGC5024
- Type: Globular Cluster
- Constellation: Coma
Berenices
- Distance: 60,000 light years
- Size: 250 light years diameter
About
M53
|
