Hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  12.77  ·  13.47  ·  19 omi Sco  ·  20 sig Sco  ·  21 alf Sco  ·  22 i Sco  ·  23 tau Sco  ·  419 Aurelia  ·  5 rho Oph  ·  674 Rachele  ·  9 ome Oph  ·  Alniyat  ·  Antares  ·  B229  ·  B42  ·  B44  ·  IC 4603  ·  IC 4604  ·  IC 4605  ·  IC4603  ·  M 4  ·  M4  ·  NGC 6121  ·  NGC6144  ·  Part of the constellation Scorpius (Sco)  ·  Scorpius  ·  Sh2-9  ·  The star 22Sco  ·  The star Al Niyat (σSco)  ·  The star Antares (αSco)  ·  And 6 more.
Getting plate-solving status, please wait...
Rho Ophiuchi cloud complex, 



    
        

            Chien-Yu Chen
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Rho Ophiuchi cloud complex

Getting plate-solving status, please wait...
Rho Ophiuchi cloud complex, 



    
        

            Chien-Yu Chen
Powered byPixInsight

Rho Ophiuchi cloud complex

Technical card

Imaging telescopes or lenses: William Optics RedCat 51 APO

Imaging cameras: Canon EOS RP

Mounts: iOptron GEM28

Guiding telescopes or lenses: ZWO 30mm f/4 Mini Guide Scope

Guiding cameras: ZWO ASI 462MC

Software: PixInshight  ·  Astropixelpocessor

Accessory: ZWO ASIAIR Pro


Dates:Feb. 20, 2021

Frames: 24x180" (1h 12') ISO3200

Integration: 1h 12'

Darks: ~17

Flats: ~10

Bias: ~55

Avg. Moon age: 8.02 days

Avg. Moon phase: 56.80%

Bortle Dark-Sky Scale: 2.00


Astrometry.net job: 4682928

RA center: 16h 28' 56"

DEC center: -24° 29' 57"

Pixel scale: 4.794 arcsec/pixel

Orientation: 2.260 degrees

Field radius: 4.898 degrees


Resolution: 4047x6143

Locations: Qingjing Starry House, Nantou, Taiwan

Data source: Traveller

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