Dr 27 - a newly-discovered planetary nebula
Dr 27 is a recently-discovered and exceptionally faint planetary nebula in the constellation Cassiopeia.
TARGET
Nomenclature: Dr27, Drechsler 27, PN G117.4-05.2
Right Ascension: 00:11:03.42
Declination: +57:10:36.30
Size: 9 arc min
Discovery: Marcel Drechsler in May 2019, a candidate planetary nebula awaiting confirmation
EQUIPMENT USED
Twin APM TMB LZOS 152 refractors
10Micron GM2000 HPS mount
Twin QSI6120 CCD cameras
Astrodon filters
IMAGE CAPTURE
5nm Ha: 26x1800 bin 2x2 + 18x600 bin 4x4
Luminance: 41x300 bin 1x1
Red: 30x300 bin 1x1
Green: 21x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 25.3 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.358 degrees
Capture dates: 23 August - 3 September 2019
Capture location: Fregenal de la Sierra, Spain
5nm Ha: 26x1800 bin 2x2 + 18x600 bin 4x4
Luminance: 41x300 bin 1x1
Red: 30x300 bin 1x1
Green: 21x300 bin 1x1
Blue: 20x300 bin 1x1
Total integration: 25.3 hours
Pixel scale: 0.533 arcsec/pixel
Field radius: 0.358 degrees
Capture dates: 23 August - 3 September 2019
Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Pre-processing: CCDStack2
Post-processing: Photoshop CS2
Ha image
OIII image