Elephant's Trunk Nebula
The Elephant's Trunk Nebula is a concentration of ionised gas and dust. The nebula has the catalogue designation IC1396 and IC1396A for the trunk itself and can be seen from the northern hemisphere in late summer and autumn. The nebula is about 2'400 light years away from our solar system. There are also many dark nebulae in this large emission nebula. For example Barnard 161 and LDN 1102.
Lion Nebula
The Lion Nebula is designated as SH2-132. The nebula is about 10'000 light years away from earth.
Question Mark nebula
NGC 7822, better known as the Cosmic Question Mark is a rarely photographed object. It consists of an emission nebula (Sharpless 171) and a young cluster of stars (Berkley 59). The object is about 1000 parsecs, or 3'300 light-years, from Earth. The youngest components of the object are estimated to be less than one million years old. The object has a diameter of about 45 light-years.
Other known objects which are visible in the image: Cave Nebula, Lobster Claw Nebula, Wizard Nebula etc.
Source: Spektrum der Wissenschaft / Wikipedia
Image on Astrobin: https://www.astrobin.com/m05xqj/
Image in Instagram: https://www.instagram.com/p/CyiU8D8szA6/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA==
Setup
-
Telescope / Camera Lens
Samyang 135mm @ F/2.8
Camera
Canon 60Da & Omegon veTEC 571c
Mount
Skywatcher HEQ5 Pro / iOptron Skyguider Pro
Filter
Astronomik 12 nm Ha Clip Filter
Integration Time
no Filter: 386 x 120 s = 12 h 52 min
no Filter: 606 x 180 s = 30 h 18 min
Ha 12nm: 184 x 120 s = 6 h 8 min
Total: 49 h 18 min
Comments
This is a Mosaic with 6 Panels
Type of Main Object
Emission Nebula
Constellation
Cepheus
Observation Site
Goldau, CH
Bortle Class 4
Date
6. November 2020 · 8. November 2020 · 3. Dezember 2020 · 9. Oktober 2021 · 10. Oktober 2021 · 14. Oktober 2021 · 18. August 2023 · 19. August 2023 · 20. August 2023 · 21. August 2023 · 22. August 2023 · 23. August 2023
