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SH2-86 Cloud Sculpting Star Cluster (NGC6820-3) in HSTrgb | by Carballada
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SH2-86 Cloud Sculpting Star Cluster (NGC6820-3) in HSTrgb



First light of my new mount Mesu 200 mk2 !!

Really happy when I compare with the same picture last year, under different skies and diferent mount....


NGC 6820 is a small reflection nebula near the open cluster NGC 6823 in Vulpecula. The reflection nebula and cluster are embedded in a large faint emission nebula called Sh 2-86. The whole area of nebulosity is often referred to as NGC 6820.

Open star cluster NGC 6823 is about 50 light years across and lies about 6000 light years away. The center of the cluster formed about two million years ago and is dominated in brightness by a host of bright young blue stars. Outer parts of the cluster contain even younger stars. It forms the core of the Vulpecula OB1 stellar association. (Description credits: Wikipedia)


Technical card

Imaging telescope or lens:Teleskop Service TS Photoline 107mm f/6.5 Super-Apo


Imaging camera:ZWO ASI1600MM-Cool


Mount:Mesu 200 Mk2


Guiding telescope or lens:Celestron OAG Deluxe


Guiding camera:ZWO ASI174 Mini


Focal reducer:Riccardi Reducer/Flattener 0.75x


Software:Main Sequence Software Seqence Generator Pro, Pleiades Astrophoto PixInsight


Filters:Astrodon HA 36mm - 5nm, Astrodon S-II 36mm - 5nm, Astrodon O-III 36mm - 5nm


Accessories:ZWO EFW, MoonLite NiteCrawler WR30


Resolution: 3798x3154


Dates:July 28, 2019, July 29, 2019



Astrodon HA 36mm - 5nm: 147x300" (gain: 200.00) -20C bin 1x1

Astrodon O-III 36mm - 5nm: 30x300" (gain: 200.00) -20C bin 1x1

Astrodon S-II 36mm - 5nm: 30x300" (gain: 200.00) -20C bin 1x1


Integration: 17.2 hours


Avg. Moon age: 26.05 days


Avg. Moon phase: 13.32% job: 2851183


RA center: 295.762 degrees


DEC center: 23.293 degrees


Pixel scale: 1.465 arcsec/pixel


Orientation: 90.757 degrees


Field radius: 1.004 degrees


Locations: AAS Montsec, Àger, Lleida, Spain


Data source: Own remote observatory


Remote source: Non-commercial independent facility

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Uploaded on August 9, 2019