Sh2-165 and LDû13
Sh2-165 is a rarely-imaged emission nebula.
Near it is LDû 13 - a planetary nebula discovered by French amateur Pascal Le Dû.
It is relatively small at 0.9 x 0.7 arc minutes.
Near it is LDû 13 - a planetary nebula discovered by French amateur Pascal Le Dû.
It is relatively small at 0.9 x 0.7 arc minutes.
TARGET
Nomenclature: Sh2-165, LDû 13
Image Right Ascension: 23:39:10.43
Image Declination: +61:50:40.9
Size: 0.9 x 0.7 arc minutes (LDû 13)
Discovery: Pascal Le Dû
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
OIII 3nm: 40x900" bin 1x1
Ha 5nm: 25x900" bin 1x1
Red: 11x300" bin 1x1
Green: 11x300" bin 1x1
Blue: 11x300" bin 1x1
Total integration: 19 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.376 degrees
Capture dates: 13-24 September 2023
Capture location: Fregenal de la Sierra, Spain
OIII 3nm: 40x900" bin 1x1
Ha 5nm: 25x900" bin 1x1
Red: 11x300" bin 1x1
Green: 11x300" bin 1x1
Blue: 11x300" bin 1x1
Total integration: 19 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.376 degrees
Capture dates: 13-24 September 2023
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Pixinsight, Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Pixinsight, Photoshop CS2
Ha image:
OIII image: