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I agreeImaging telescopes or lenses:Altair Astro RC250-TT 10" RC Truss Tube
Imaging cameras:ZWO ASI1600MM-Cool
Mounts:Skywatcher AZ EQ-6 GT
Guiding telescopes or lenses:Teleskop Service TSOAG9 Off-Axis Guider
Guiding cameras:QHYCCD QHY5III174
Focal reducers:Astro-Physics CCDT67 - 0.67x Reducer
Software:Pleiades Astrophoto PixInsight , Seqence Generator Pro
Filters:Optolong CLS - CCD (V4) 36mm , Optolong Green 36mm , Optolong Blue 36mm , Optolong Red 36mm
Accessory:ZWO EFW , MoonLite CSL 2.5" Focuser with High Res Stepper Motor
Dates:March 26, 2018
Frames:
Optolong Blue 36mm: 20x90" (gain: 75.00) -20C bin 1x1
Optolong CLS - CCD (V4) 36mm: 20x300" (gain: 75.00) -20C bin 1x1
Optolong Green 36mm: 20x90" (gain: 75.00) -20C bin 1x1
Optolong Red 36mm: 20x90" (gain: 75.00) -20C bin 1x1
Integration: 3.2 hours
Avg. Moon age: 9.38 days
Avg. Moon phase: 70.60%
Astrometry.net job: 2065222
RA center: 13h 0' 22"
DEC center: +27° 56' 8"
Pixel scale: 0.557 arcsec/pixel
Orientation: 88.941 degrees
Field radius: 0.414 degrees
Resolution: 4148x3344
Locations: Berga Resort, Berga, Barcelona, Spain
Data source: Unknown
The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies.
The cluster's mean distance from Earth is 99 Mpc (321 million light years).
Dark Matter theory began by looking here....
I annotated 196 on this picture, please see revision B for annotated version.
https://www.astrobin.com/347408/B
I love to see the vastness of space when I see things like this.
Description: Annotated version with 196 galaxies marked. 155 PGC, 41 NGC-IC
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