Object data
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Exposure data
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Ursa Major obs. @ ROSA (remote observatory southern alps)
10micron GM2000 HPS II
[OIII] 71x10 min / Ha 67x10 min
L 48x10 min, RGB 19x10 min per filter
40 h 30 min
data acquired remotely using Voyager by Leonardo Orazi
- 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
Abell 31 wide field in Cancer
“Mizar”
Takahashi Epsilon 130ED, f/D = 3.3
G2-8300 Moravian , Baader LRGB - Ha - [OIII] filter
Planetary Nebula
~16’
12.2 mag
Cnc
2021-02-17+19+20 + 02-28+
2021-03-01+02+04+05+08+09+12+18+19+20+22 (15 nights)
2 000 light years
Abell 31 is one of the apparently largest PNe in the sky.
At the same time it has a very low surface brightness
of about 26.9 mag/arc-sec².
