NGC 2359 Thor's Helmet
NGC 2359 is an emission nebula in the constellation Canis Major. It is around 12,000 light years from Earth, and 30 light years in size.
![Picture](/uploads/1/3/0/3/130379085/cropv2a_orig.jpg)
TARGET
Nomenclature: NGC 2359, Thor's Helmet, GUM 4, Sh2-298, LBN 227.66-00.09, RCW 5, LBN 1041
Right Ascension: 07:18:30
Declination: -13:13:00
Size: 9 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: 0.365 degrees
Capture dates: 30 January - 16 February 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: 0.365 degrees
Capture dates: 30 January - 16 February 2017
Capture location: Alcalali, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2