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Ursa Major obs. @ ROSA (remote observatory southern alps)
“Alkor”
Lacerta N25010c Newtonian, f/D = 4
SX Trius 694, Baader LRGB filter
10micron GM2000 HPS II
[OIII] 31x20 min / Ha 59x20 min / RGB 13x5 min per filter
33 h 15 min
data acquired remotely using CCD Commander
image acquisition and pre-processing by Markus Blauensteiner
image editing by Marcel Drechsler
- CEDIC Team goes Chile II
- CEDIC Team goes La Palma I
- CEDIC Team goes La Palma II
- CEDIC Team goes La Palma III
- CEDIC Team goes Namibia
- Namibia 2022 - Intro
- #1 - Clusters in Carina
- #2 - Hidden Treasures in Vela
- #3 - Southern Galaxies
- #4 - Emission Nebulae in Centaurus
- #5 - Near South Pole
- #6 - Dark Nebulae in Cir & Lup
- #7 - Nebulae in Ara & Norma
- #8 - Nebulae in Scorpius
- #9 - Open Clusters in Scorpius
- #10 - Highlights in Sagittarius
- #11 - Nebulae in Ophiuchus
Dr 21 (PN-G: 107.1-14) in Andromeda
Planetary Nebula (candidate)
~ 8’
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And
several nights in autumn 2019
The object was discovered in May 2019 by Marcel Drechsler.
Almost in the middle there is a white dwarf.
It is probably a planetary nebula. At the lower right edge of the PN
there is a newly discovered nebula - DrBl 1.
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