M104
Hampshire Astronomical Group Picture Of The Month September 2020
Published in the April 2021 issue of Astronomy Now Magazine
M104
Picture





TARGET
Nomenclature:  M104, Messier 104, Sombrero Galaxy, NGC 4594
Right Ascension: 12:39:59.4
Declination: -11:37:23
Size: 9x4 arc min
Discovery: by Pierre Méchain on 11 May 1781


EQUIPMENT USED
APM TMB LZOS 152 refractor
10Micron GM2000 HPS mount
QSI6120 CCD camera
Astrodon filters
IMAGE CAPTURE
Luminance: 78x300 bin 1x1
Red: 30x300 bin 1x1
Green: 30x300 bin 1x1
Blue: 30x300 bin 1x1
Total integration: 14 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.232 degrees
Capture dates: 22-28 March 2020
Capture location:  Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2