Hemisphere:  Northern  ·  Contains:  M 92  ·  M92  ·  NGC 6341
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Messier 92, 



    
        

            Michel Makhlouta
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Messier 92

Imaging telescopes or lenses: Celestron Newtonian 8"

Imaging cameras: ZWO ASI 1600MM-Cool Pro

Mounts: Celestron CGEM DX

Guiding telescopes or lenses: Celestron GuideScope 80mm f/7.5

Guiding cameras: Orion Starshoot Autoguider

Software: Sequence Generator Pro  ·  PHD 2  ·  PixInsight 1.8 Ripely

Filters: ZWO Blue 31mm  ·  ZWO Green 31mm  ·  ZWO RED 31mm  ·  ZWO Lum 31mm

Accessory: Baader 2" MPCC Mark III Multi-Purpose Coma Corrector  ·  ZWO EFW 31mm


Dates:May 18, 2019

Frames:
ZWO Blue 31mm: 34x60" (gain: 76.00) -10C bin 1x1
ZWO Green 31mm: 35x60" (gain: 76.00) -10C bin 1x1
ZWO Lum 31mm: 214x30" (gain: 76.00) -10C bin 1x1
ZWO RED 31mm: 35x60" (gain: 76.00) -10C bin 1x1

Integration: 3.5 hours

Darks: ~50

Flats: ~50

Bias: ~200

Avg. Moon age: 14.36 days

Avg. Moon phase: 99.81%

Bortle Dark-Sky Scale: 5.00


Astrometry.net job: 2702402

RA center: 17h 17' 6"

DEC center: +43° 8' 10"

Pixel scale: 1.228 arcsec/pixel

Orientation: -51.169 degrees

Field radius: 0.441 degrees


Resolution: 2048x1575

Locations: Home, Batroun, North, Lebanon

Data source: Backyard

Description

Messier 92 is a globular cluster of stars in the northern constellation of Hercules. It 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. The cluster is approaching us at 112 km/s.

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.

I have decided to go for a globular cluster for the first time, as it was a clear weekend evening with the full moon wandering the skies and not very far from the imaging area. I had a rough time with the gradients from the light pollution, but it is what it is.

Clear Skies!

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makhlouta
Michel Makhlouta
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            Michel Makhlouta
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    Messier 92, 



    
        

            Michel Makhlouta
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Messier 92, 



    
        

            Michel Makhlouta