Dr 29 Astronomy Now Picture of the Month December 2021
A new discovery by my dear friend Marcel Drechsler of a probable planetary nebula in Aquila. Although Marcel first detected this in May 2019 it is only now that it has been fully imaged. Drechsler 29 is large (16 arc minutes) but very faint, especially in OIII - hence the long integration time. As a bonus we also have the smaller (27 arc seconds) known planetary nebula IPHASX J193308.9+15535 (PNG 051.7-01.7) at the top of the image. This is the first time this has been imaged in colour. My sincere thanks to Marcel for so expertly processing this image for me.
TARGET Nomenclature: Dr 29, Drechsler 29, IPHASX J193308.9+15535, PNG 051.7-01.7 Right Ascension: 19:32:45.83 Declination: +15:43:12.57 Size: 16 arc mins Discovery: Marcel Drechsler in May 2019 EQUIPMENT USED Twin APM TMB LZOS 152 refractors 10Micron GM2000 HPS mount Twin QSI6120 CCD cameras Astrodon filters
IMAGE CAPTURE Blue: 26x300" Green: 26x300" Lum: 37x300" Red: 36x300" Ha: 109x900" bin 1x1 OIII: 260x900 bn 1x1 Total Integration: 102 hours 40 minutes Pixel scale: 0.530 arcsec/pixel Field radius: 0.373 degrees Capture dates: 5 July - 18 August 2021 Capture location: Fregenal de la Sierra, Spain
IMAGE PROCESSING: expertly performed by Marcel Drechsler