Sh2-188
Published by BBC The Sky At Night September 2018
Published by BBC The Sky At Night September 2018
Sh2-188 is an extremely faint planetary nebula in the constellation Cassiopeia.
TARGET
Nomenclature: Sh2-188, Sharpless 188, Simeis 22
Right Ascension: 01:30:22
Declination: +58:22:00
Size: 11.7 arc min
Discovery: Stewart Sharpless
EQUIPMENT USED
APM TMB LZOS 152 refractor
10Micron GM2000 HPS mount
QSI6120 CCD camera
Astrodon filters
IMAGE CAPTURE
5nm Ha: 32x1200 bin 1x1, 10x1800 bin 4x4
3nm OIII: 12x1200 bin 1x1, 3x1800 bin 4x4
Red: 10x300 bin 1x1
Green: 10x300 bin 1x1
Blue: 10x300 bin 1x1
Total integration: 23.7 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.342 degrees
Capture dates: 24 July - 15 August 2018
Capture location: Alcalali, Spain
5nm Ha: 32x1200 bin 1x1, 10x1800 bin 4x4
3nm OIII: 12x1200 bin 1x1, 3x1800 bin 4x4
Red: 10x300 bin 1x1
Green: 10x300 bin 1x1
Blue: 10x300 bin 1x1
Total integration: 23.7 hours
Pixel scale: 0.534 arcsec/pixel
Field radius: 0.342 degrees
Capture dates: 24 July - 15 August 2018
Capture location: Alcalali, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2