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


            Michael Caller
M3 Globular Cluster
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M3 Globular Cluster

Technical card

Dates:May 12, 2019

ZWO 36mm Blue Filter: 18x60" (gain: 75.00) -20C bin 1x1
ZWO 36mm Green Filter: 19x60" (gain: 75.00) -20C bin 1x1
ZWO 36mm Luminance Filter: 113x60" (gain: 75.00) -20C bin 1x1
ZWO 36mm Red Filter: 18x60" (gain: 75.00) -20C bin 1x1

Integration: 2.8 hours

Darks: ~50

Flats: ~50

Flat darks: ~50

Avg. Moon age: 7.88 days

Avg. Moon phase: 55.31%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 2864342

RA center: 13h 42' 25"

DEC center: +28° 23' 16"

Pixel scale: 1.413 arcsec/pixel

Orientation: 270.533 degrees

Field radius: 1.077 degrees

Resolution: 4515x3125

Locations: Backyard, South Croydon, Surrey, United Kingdom

Data source: Backyard


Im not to happy with this data , however its my first go at a cluster.

Also think I have dust on on my luminance filter that need cleaning off.

Think I'm going to try processing just using dark calibration frames and see what results I get.



Michael Caller
License: None (All rights reserved)

Sky plot

Sky plot


M3 Globular Cluster, 


            Michael Caller