Hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  Extremely wide field
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Antares and RHO Ophiuchi region, 


            Ivaylo Stoynov
Antares and RHO Ophiuchi region
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Antares and RHO Ophiuchi region

Technical card

Imaging telescopes or lenses: Samyang Lens 85mm f/1.4

Imaging cameras: Canon EOS 550D / Rebel T2i

Mounts: LXD75

Software: PixInsight PixInsinght 1.8 RC7  ·  APT - Astro Photography Tool

Dates:June 12, 2015June 13, 2015

Frames: 40x300" ISO800

Integration: 3.3 hours

Avg. Moon age: 25.75 days

Avg. Moon phase: 15.52%

Basic astrometry details

Astrometry.net job: 665774

RA center: 16h 31' 7"

DEC center: -24° 57' 0"

Pixel scale: 46.430 arcsec/pixel

Orientation: -88.788 degrees

Field radius: 8.182 degrees

Resolution: 1026x746

Locations: Nedelkovo, near Sofia, Bulgaria

Data source: Backyard


Imaged at F/4,

The area is fainter than expected and require longer exposures, but it is quite low on our latitude and I was afraid that will not manage to handle the background... I'm relatively satisfied with the result :) Waited maybe 3 years to catch clear night during this time of the year, when the area give maximum imaging time :)


Sky plot

Sky plot


Antares and RHO Ophiuchi region, 


            Ivaylo Stoynov

In these public groups

Imaged with APT
Very Wide Field