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Close inspection of The Wall (mosaic), 


            Ivaylo Stoynov
Close inspection of The Wall (mosaic)
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Close inspection of The Wall (mosaic)

Technical card

Imaging telescopes or lenses: TS-Optics RC 10" Truss

Imaging cameras: QHYCCD QHY 22

Mounts: iOptron CEM60

Guiding cameras: QHY5L-II Mono

Focal reducers: TS-Optics CCD47-S x0.67

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

Filters: Astrodon S-II 3nm  ·  Astrodon O-III 3nm  ·  Astrodon HII-3nm

Accessory: OAG

Dates:July 8, 2020

Frames: 189x600" -30C bin 1x1

Integration: 31.5 hours

Avg. Moon age: 18.06 days

Avg. Moon phase: 88.20%

Basic astrometry details

Astrometry.net job: 3816800

RA center: 20h 59' 31"

DEC center: +43° 38' 2"

Pixel scale: 0.912 arcsec/pixel

Orientation: 27.015 degrees

Field radius: 0.579 degrees

Resolution: 4109x2000

Locations: Nedelkovo, near Sofia, Bulgaria

Data source: Backyard


The main purpose of this project was to evaluate the possibilities of new scope. One of the best ways is to compare the results on something familiar and also imaged with many different scopes. NGC7000 is good candidate, however it is too wide for the field of view... So the project became quite big in many ways :)

This is 3 panels mosaic that I hope gives a bit unusual point of view to a very popular summer object - The Cygnus Wall. Open the full resolution for a long walk :)

Usually I'm pretty pedantic in describing the acquisition details however the project is too big for the AstroBin interface :( 189 exposures in 10 nights, using 3 filters ...

Here is free formatted data:
Panel 1: HII - 27x10min, OIII 24x10min, SII 12x10min
Panel 2: HII - 27x10min, OIII 24x10min, SII 12x10min
Panel 3: HII - 27x10min, OIII 23x10min, SII 13x10min

Imaged in nights- July 08, 09, 10, 11, 21, 22; August 14, 21, 22, 23

For even bigger version take a look at http://www.incanus.net

I'm very happy with the result and with the scope :)



Ivaylo Stoynov
License: None (All rights reserved)


  • Close inspection of The Wall (mosaic), 


            Ivaylo Stoynov
  • Final
    Close inspection of The Wall (mosaic), 


            Ivaylo Stoynov

Sky plot

Sky plot


Close inspection of The Wall (mosaic), 


            Ivaylo Stoynov