Abell 45
Astronomical Picture Of The Day 26 July 2021 apod.astronomia.com/2021/07/26/abell-45/
Published in the Septermber 2021 issue of Astronomy Now Magazine
Abell 45 is an obscure rarely-imaged likely planetary nebula in the constellation Scutum. It's unusual morphology has been likened to a wagon wheel.
TARGET
Nomenclature: Abell 45
Right Ascension: 18:30:15.4
Declination:  -11:36:57.42
Size: 302.0 arc sec
Discovery: unknown - first catalogued by George Abell in 1955
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
Blue: 13x300"
Green: 13x300"
Lum: 15x300"
Red: 14x300"
Ha: 34x900" bin 1x1
Total Integration: 13 hours 5 minutes
Pixel scale: 0.530 arcsec/pixel
Field radius: 0.376 degrees
Capture dates: 8-14 July 2021
Capture location:  Fregenal de la Sierra, Spain

IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Ha image