M4 - Globular Cluster

amateur astronomy
and
astrophotography

 

    ACQUISITION AND PROCESSING DETAILS

placeholder Object: M4
Constellation Scorpius
Date: 3/20/2005
Location: Tierra Verde, Florida
Weather: Cool, Calm, Poor seeing FWHM 3.39
Instrument: Celestron NexStar 11 GPS @ F6.35
Mount: Celestron NexStar 11 GPS
Guiding: Internal
Camera: SBIG ST-2000XM - CFW-8a
Filters: SBIG LRGB
. Software: MaxIm/DL, The Sky 6, ASCOM POTH
Exposures: L: 4x300 seconds @ 1X1 Binning
R: 4x300 seconds @ 1x1 Binning
G: 4x150 seconds @ 1x1 Binning
B: 4x225 seconds @ 1x1 Binning 
Processing: PhotoShop CS,  Images Plus
Remarks: Image was reduced by 33% for Web display.

 


Monitor Calibration Scale

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