NGC 6888
NGC 6888 the Crescent Nebula in the constellation Cygnus. It is around 5,000 light years from Earth.

TARGET
Nomenclature: NGC 6888, Crescent Nebula, Caldwell 27, Sharpless 105
Right Ascension: 20:12:07
Declination: +38:21:07
Size: 18 arc min
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: 0.370 degrees
Capture dates: 1-21 June 2018
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: 0.370 degrees
Capture dates: 1-21 June 2018
Capture location: Alcalali, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2