Sh2-157, NGC7635 in SHO palette

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SH2-157, the Lobster Claw Nebula, is an emission nebula located about 11,000 light-years away in the constellation of Cassiopeia.

According to SHO palette, red/orange and predominantly yellow regions of the nebula evinced a very large H II region while the blue-colored are predominately regions featured by the emission of light from molecular oxygen.

On the top NGC 7635 – the Bubble Nebula, and on the middle the star cluster NGC 7510.

Astrobin:

Art, Asiair Plus, AsiAir Pro, Astronomic Ha 1,25" filter, Astronomic Oiii 1,25" filter, Astronomic Sii 1,25" filter, Astrophotography, Deep Sky, Deepsky, Narrowband, NGC7635, SH2-157, SHO, SHO Palette, Sky-Watcher EQM-35 Pro Synscan GOTO, William Optics Redcat 51, William Optics v1.5 RedCat 51 APO, Xiuart, ZWO ASI120mm Mini, ZWO ASI1600mm Pro, ZWO EFW 8x1,25"

SH2-157, NGC7635 region in SHO palette

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Region of SH2-157 and NGC7635 in narrowband filters, SHO palette.
From Bortle 6th degree sky in Livorno, Italy – home balcony.
William Optics Redcat 51 and ASI1600mm Pro cooled at -20 Celsius.
Mount SW EQM35 Pro, setup ground on Asiair Pro.

Astrobin: https://www.astrobin.com/kf7q9p/

Astrometry: https://nova.astrometry.net/user_images/6036245#annotated

Strumentazione

Telescopi O Obiettivi Di AcquisizioneWilliam Optics Redcat 51

Camere Di AcquisizioneZWO ASI1600MM Pro

Montature Sky-Watcher EQM-35

Filtri Astronomik H-alpha CCD 6nm · Astronomik OIII CCD 6nm · Astronomik SII CCD 6nm

AccessoriZWO ASIair Pro · ZWO EAF · ZWO EFW 8 x 1.25″ / 31mm

Software Adobe Lightroom · Adobe Photoshop · Pleiades Astrophoto PixInsight

Telescopi o Obiettivi di Guida QHYCCD Mini Guide Scope, Camere Di Guida ZWO ASI120MM Mini

 Dettagli d’acquisizione

Date:30 Aprile 2022 ·  02 Maggio 2022Pose:

Astronomik H-alpha CCD 6nm: 99×180″ (4h 57′) (gain: 139.00) -20°C bin 1×1
Astronomik OIII CCD 6nm: 132×180″ (6h 36′) (gain: 139.00) -20°C bin 1×1
Astronomik SII CCD 6nm: 92×180″ (4h 36′) (gain: 139.00) -20°C bin 1×1

Integrazione:16h 9′

Dark:33, Flat:33, Dark dei flat:33

Giorno lunare medio:15.36 giorni

Fase lunare media:1.37%

Scala del Cielo Scuro Bortle:6.00

Dettagli astrometrici di base

Astrometry.net job: None

Risoluzione: 4544×3483

Luoghi: Home (balcony), Livorno, Livorno, Italia

Origine dei dati: Giardino

Art, ASI1600mm-Pro, AsiAir Pro, Astronomic Ha 1,25" filter, Astronomic Oiii 1,25" filter, Astronomic Sii 1,25" filter, Astronomy, Astrophotography, Deep Sky, Hubble, Hubble palette, Narrowband, NGC7635, SH2-157, SHO, SHO Palette, Sky-Watcher EQM-35 Pro Synscan GOTO, Stars, William Optics Redcat 51, William Optics v1.5 RedCat 51 APO, Xiuart, ZWO ASI120mm Mini, ZWO ASI1600mm Pro, ZWO EFW 8x1,25"