M25 Wide Field 

amateur astronomy
and
astrophotography

 

    ACQUISITION AND PROCESSING DETAILS

placeholder Object: M25 Open Cluster Wide Field
Constellation Sagittarius
Date: 4/10/2005
Location: Tierra Verde, Florida
Weather: Cool, Average Seeing, Windy
Instrument: Borg 76ED @ F7
Mount: Celestron NexStar 11 GPS
Guiding: Internal
Camera: SBIG ST-2000XM - CFW-8
Filters: SBIG LRGB
. Software: Maxim/DL, The Sky 6, ASCOM POTH
Exposures: L: 2x900 seconds @ 1X1 Binning
R: 2x900 seconds @ 1x1 Binning
G: 2x450 seconds @ 1x1 Binning
B: 2x675 seconds @ 1x1 Binning 
Processing: PhotoShop CS
Remarks: Image reduced 25% for Web display.

 


Monitor Calibration Scale

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