IC 1454
IC 1454 is a small (34 arc sec) planetary nebula in Cepheus. It is also known as Abell 81 and is the northernmost of the Abell planetary nebulae. It is only 9.56 degrees from the north pole. It is estimated to be around 17,000 light-years from Earth. It was discovered by William F Denning on August 9, 1891. Its central star is magnitude 18.8.
TARGET
Nomenclature: IC 1454 Abell 81
Right Ascension: 22:42:24.9
Declination: +80.26.31.27
Size: 34.0 arc secs, but with an outer halo of 1,7 arc minutes
Discovery: William F Denning on August 9, 1891
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
Nomenclature: IC 1454 Abell 81
Right Ascension: 22:42:24.9
Declination: +80.26.31.27
Size: 34.0 arc secs, but with an outer halo of 1,7 arc minutes
Discovery: William F Denning on August 9, 1891
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
Blue: 14x300"
Green: 14x300"
Red: 15x300"
OIII: 331x300" bin 1x1
Total Integration: 31 hours 10 minutes
Pixel scale: 0.265 arcsec/pixel
Field radius: 0.223 degrees
Capture dates: 11-13 December 2021
Capture location: Fregenal de la Sierra, Spain
Blue: 14x300"
Green: 14x300"
Red: 15x300"
OIII: 331x300" bin 1x1
Total Integration: 31 hours 10 minutes
Pixel scale: 0.265 arcsec/pixel
Field radius: 0.223 degrees
Capture dates: 11-13 December 2021
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING:
CCDStack and Photoshop CS2
CCDStack and Photoshop CS2