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Messier 92 in HaLRGB

Posted on June 17, 2019June 24, 2019

www.astrobin.com/410770

Messier 92 (NGC 6341) is a globular cluster of stars in the northern constellation of Hercules.

M92 is at a distance of about 26,700 light-years away from Earth and has an estimated mass of up to 330,000 solar masses in 250,000 stars.

With an estimated age of 14.2 billion years – almost the same age as the universe itself – M92 is one of the oldest clusters known and possibly the single oldest globular in the Milky Way.

(descripton credits: Wikipedia)

Technical card
Imaging telescope or lens:Altair Astro RC250-TT 10″ RC Truss Tube

Imaging camera:ZWO ASI1600MM-Cool

Mount:Astro-Physics Mach-1 GTO CP4

Guiding telescope or lens:Celestron OAG Deluxe

Guiding camera:QHYCCD QHY5III174

Focal reducer:Riccardi Reducer/Flattener 0.75x

Software:Main Sequence Software Seqence Generator Pro, Astro-Physics AAPC, Pleiades Astrophoto PixInsight

Filters:Astrodon L Gen.2 E-series 36mm, Astrodon HA 36mm – 5nm, Astrodon B Gen.2 E-series 36mm, Astrodon G Gen.2 E-series 36mm, Astrodon R Gen.2 E-series 36mm

Accessories:ZWO EFW, MoonLite NiteCrawler WR30

Resolution: 2328×1760

Dates:May 22, 2019, May 23, 2019, May 25, 2019

Frames:
Astrodon B Gen.2 E-series 36mm: 36×180″ (gain: 75.00) -20C bin 1×1
Astrodon G Gen.2 E-series 36mm: 72×180″ (gain: 75.00) -20C bin 1×1
Astrodon HA 36mm – 5nm: 44×300″ (gain: 200.00) -20C bin 1×1
Astrodon L Gen.2 E-series 36mm: 148×180″ (gain: 75.00) -20C bin 1×1

Integration: 16.5 hours

Avg. Moon age: 19.57 days

Avg. Moon phase: 75.34%

Astrometry.net job: 2749648

RA center: 259.281 degrees

DEC center: 43.137 degrees

Pixel scale: 1.006 arcsec/pixel

Orientation: 269.910 degrees

Field radius: 0.408 degrees

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility

via Flickr https://flic.kr/p/2gfKZiq

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