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M42, Orion Nebula
20060221, 20:23-20:58 EST
Winter Star Party, West Summerland Key, Florida
Scale: 1.3 arc seconds per pixel
Image Dimensions: 75.6 X 50.4 arc minutes (3504 X 2336)
Equipment: Canon EOS 20Da, Meade 8" LX200 GPS SCT
f6.3, Celestron f6.3 focal reducer (optical path focal ratio 7.1); guided with SBIG ST-7XME controlled by CCDSoft, and Meade 4" LX3 2045 SCT f10 as guidescope.
Images:
Core: 15 30 sec @ ASA 800, median combine
Outer regions: 6 120 sec @ ASA 800, sum combine
RAW images captured with DSLRFocus V3; calibrated (darks and flats) and converted to TIF with Images Plus; registered and combined with RegiStar; final processing with Picture Window Pro 3.5
The Solar Observatory of San Petronio
An illustrated article:
Eclipses
Winter Star Party 2006
Comets
Subjects:
Focal Length/Ratio Calculator (Excel spreadsheet)
Hyakutake
Winter Star Party 20060225
Carle Place High School Reunion Book Page Proofs
Cover Page Proof
Mpix low resolution Share Book