The Halpha-image:
The OIII-image:
Location / Date |
Zellerndorf, August 2019 |
Telescope / Mount / Guiding |
ASA 10" Astrograph, ASA 3" Wynne-Corrector (focal length 910mm) |
Camera / Exposure |
Moravian G3-16200, Astrodon filters R 16 x 10min Total exposure time: 25h 20min |
Processing |
PixInsight, Fitswork, Photoshop |
Notes |
Dr 35 is a extremely faint possible planetary nebula in the constellation Cassiopeia. It was discovered by the German amateur astronomer and astrophotographer Marcel Drechsler (Sternwarte Bärenstein) in May 2019. Coordinates: RA 23:30:41.108, Dec +55:04:11.82, diameter ~ 8.5 arc min |