Hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205


            Gerald Kerschbaumer
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Technical card

Imaging telescopes or lenses: Skywatcher Explorer-150PDS-f/5

Imaging cameras: Canon EOS 600D Canon DSLR camera

Mounts: Skywatcher HEQ5 Pro Skywatcher EQ5 PRO SynScan™ GOTO

Software: DeepSkyStacker  ·  Lightroom  ·  Photoshop

Dates:June 13, 2013

Frames: 25x5" (2' 5") ISO3200

Integration: 2' 5"

Avg. Moon age: 4.35 days

Avg. Moon phase: 19.93%

Bortle Dark-Sky Scale: 4.00

Basic astrometry details

Astrometry.net job: 171861

RA center: 16h 41' 54"

DEC center: +36° 28' 1"

Pixel scale: 2.127 arcsec/pixel

Orientation: -83.384 degrees

Field radius: 0.465 degrees

Resolution: 620x423

Locations: Pörtschach, Klagenfurt, Kärnten, Austria


Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of about 300,000 stars in the constellation of Hercules.


Sky plot

Sky plot




            Gerald Kerschbaumer