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Patchick 4
A planetary nebula in Cygnus discovered by my good friend Dana Patchick in 2005.
It is 8 arc minutes in diameter.
Another joint project with Sven Eklund using our remote telescopes in Spain.
Picture






TARGET
Nomenclature
:  Patchick 4, Pa 4
Right Ascension: 20:02:27.35
Declination: +35:55:33.41
Size: 184 arc seconds
Discovery: IPHAS

EQUIPMENT USED
Twin APM TMB LZOS 152 refractors, Celestron C14 Edge HD
10Micron GM2000 HPS mount and 10Micron GM3000 HPS mount
Twin QSI6120 CCD cameras, AZO ASI6200MM Pro cameras
Astrodon filters
IMAGE CAPTURE
OIII 4nm: 180x120" bin 1x1
Ha 5nm: 133x900" bin 1x1
Red: 24x300 bin 1x1
Green: 13x300 bin 1x1
Blue: 11x300 bin 1x1
Total integration: 43 hours 15 minutes
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.312 degrees
Capture dates: 8-18 July 2023
Capture location:  Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2, Pixinsight
Post-processing: Photoshop CS2
Ha image:
Picture
OIII image:
Picture
Click here for a larger version
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