M20 - Trifid Nebula
M20, the Trifid Nebula, is in the constellation Sagittarius. It is around 4,100 light years from Earth.
TARGET
Nomenclature: Messier 20, M20, Trifid Nebula, NGC 6514, Sharpless 30, RCW 147, Gum 76
Right Ascension: 18:02:23
Declination: -23:01:48
Size: 28 arc min
Discovery: Charles Messier on 5 June, 1764
EQUIPMENT USED
APM TMB LZOS 152 refractor
10Micron GM2000 HPS mount
QSI6120 CCD camera
Astrodon filters
IMAGE CAPTURE
5nm Ha: 26x900 bin 1x1
3nm OIII: 20x900 bin 1x1
Red: 10x300 bin 1x1
Green: 10x300 bin 1x1
Blue: 10x300 bin 1x1
Total integration: 14 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.366 degrees
Capture dates: 21-22 August 2017
Capture location: Alcalali, Spain
5nm Ha: 26x900 bin 1x1
3nm OIII: 20x900 bin 1x1
Red: 10x300 bin 1x1
Green: 10x300 bin 1x1
Blue: 10x300 bin 1x1
Total integration: 14 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.366 degrees
Capture dates: 21-22 August 2017
Capture location: Alcalali, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2