Hemisphere:  Southern  ·  Contains:  IC 4592  ·  IC 4601  ·  IC 4603  ·  IC 4604  ·  IC 4605  ·  M 4  ·  M 80  ·  NGC 6093  ·  NGC 6121  ·  NGC 6144  ·  Part of the constellation Scorpius (Sco)  ·  The star Al Niyat (σSco)  ·  The star Antares (αSco)  ·  The star Graffias (β1Sco)  ·  The star νSco  ·  The star οSco  ·  The star τSco  ·  The star χOph  ·  The star ω1Sco  ·  The star ω2Sco  ·  The star ωOph  ·  rho Oph nebula
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Rho Ophiuchi & the Blue Horsehead, 



    
        

            Kelvin Hennessy
Rho Ophiuchi & the Blue Horsehead
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Rho Ophiuchi & the Blue Horsehead

Technical card

Imaging telescopes or lenses: Samyang 135mm f2

Imaging cameras: ZWO ASI 1600MM PRO

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: ZWO 30mm F4

Guiding cameras: ZWO ASI 290MM Mini

Software: Adobe PhotoShop CS6  ·  Sequence Generator Pro  ·  Astro Pixel Processor  ·  Astroshed Software FITS4Win2

Filters: ZWO LRGB 36mm  ·  Baader Ha 36mm 7nm


Frames:
Blue: 150x30" (gain: 76.00)
Green: 80x30" (gain: 76.00)
Baader Ha 36mm 7nm: 50x180" (gain: 76.00)
ZWO Luminance: 1115x10" (gain: 76.00)
Red: 80x30" (gain: 76.00)

Integration: 8.2 hours

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 2959024

RA center: 16h 25' 41"

DEC center: -23° 9' 18"

Pixel scale: 12.039 arcsec/pixel

Orientation: 118.020 degrees

Field radius: 6.922 degrees


Resolution: 3797x1648

Data source: Backyard

Description

This is a two pane mosaic I created over several nights in July / August 2019 from my backyard.

Capture details are as follows :

Camera Lens : Samyang 135mm F2 at F2
Camera : ASI1600 MM-Pro with 8 position EFW at -15 deg C
Filters : ZWO LRGB & Baader Ha
Mount : SkyWatcher EQ6-R
Guiding for Ha : ZWO 290MM Mini & ZWO 30mm F4

Lum : 1115 x 10 sec
Red : 80 x 30 sec
Green : 80 x 30 sec
Blue : 150 x 30 sec
Ha : 50 x 180 sec.

Total 8 hours integration.

Comments

Author

Kelvin.Hennessy
Kelvin Hennessy
License: None (All rights reserved)
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Rho Ophiuchi & the Blue Horsehead, 



    
        

            Kelvin Hennessy