Propeller Nebula

Comunemente conosciuta come la nebulosa Elica, la tipica forma dell’elica consiste in realtà in due parti catalogate: DWB 111 e DWB 119.
Il catalogo DWB è stato compilato da H. R. Dickel, H. Wendker e J. H. Bieritz che catalogano 193 oggetti distinti come parte del loro studio della nebulosa ad emissione H-alfa nella regione del cielo Cygnus X.
Questo fa parte di un complesso molto più grande conosciuto come Simeis 57 in Cygnus, scoperto nei primi anni ’50. La distanza dalla nebulosa non è nota.​

Commonly known as the propeller nebula the ‘propeller’ shape actually consists of two catalogued parts: DWB 111 & DWB 119.
The DWB catalog was compiled by H. R. Dickel, H. Wendker and J. H. Bieritz cataloging 193 distinct objects as part of their study of H-alpha emission nebula in the Cygnus X region of the sky.
This is part of a much larger complex known as Simeis 57 in Cygnus, discovered in the early 50’s. The distance to the nebula is not known.

​Imaging telescopes or lenses:​ Takahashi FSQ130ED
Imaging cameras: QSI 6120i
Mounts: Takahashi EM 400 Temma 2M
​Guiding telescopes or lenses: Takahashi FS60CB
Guiding cameras: QHY CCD QHY 5 II
Focal Extender / Reducer: None
Software: Sequence Generator Pro SGP (for capture) PHD 2 (guiding), Astro Pixel Processor & PixInsight,
Filters: Astrodon Ha, SII, OIII & RGB,

Accessories: Robofocus Focuser, ATIK EFW3

Original Resolution: 4240 x 2825
Dates: 31st May to 7th June 2019

Frames:
Astrodon Ha 28 x 20′
Astrodon SII 24 x 20′
Astrodon OIII 24 x 20′
Astrodon RGB 15 x 3′ Each

Total integration = 27 hours 35 mins.

Autore: Brendan Kinch (sito)