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Contains:  M 3, NGC 5272
Getting plate-solving status, please wait...
M3 Globular Cluster, 


            Rowland Archer
M3 Globular Cluster
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M3 Globular Cluster

Technical card

Imaging telescopes or lenses: Orion 80ED Refractor

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Orion Sirius EQ-G

Guiding telescopes or lenses: Orion StarShoot Autoguider

Guiding cameras: Orion Starshoot Autoguider Pro

Focal reducers: Orion 0.85x Reducer/Corrector

Software: PHD2  ·  EQMOD  ·  PixInsight 1.8 Ripley  ·  Main Sequence Software SequenceGeneratorPro  ·  StarTools 1.4 alpha

Filters: Astrodon Red Tru-Balance E-Series Gen 2  ·  Astrodon Green Tru-Balance E-Series Gen 2  ·  Astrodon Blue Tru-Balance E-Series Gen 2

Accessory: ZWO 8x 1.25" EFW  ·  Orion StarShoot AutoGuider Pro

Basic astrometry details job: 1579103

RA center: 13h 42' 13"

DEC center: +28° 22' 30"

Pixel scale: 1.497 arcsec/pixel

Orientation: 319.096 degrees

Field radius: 0.458 degrees

Resolution: 1920x1080

Locations: Home Observatory, Wake Forest, NC, United States

Data source: Backyard


Decided to do M3 again using a lower gain setting this time - gain of 75, offset of 14 on the ASI1600MM-Cool. This one also benefits from SGP's autofocus.

100 30 second L frames, 30 each of 120 second R, G and B's.



Rowland Archer
License: None (All rights reserved)

Sky plot

Sky plot


M3 Globular Cluster, 


            Rowland Archer