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Contains:  M 28, NGC 6626
Getting plate-solving status, please wait...
M28 13 May 2019, 


            Geof Lewis
M28 13 May 2019

M28 13 May 2019

Technical card

Resolution: 1647x1247

Dates:May 13, 2019May 14, 2019

Astronomik B 1.25" Type IIc: 10x120" -10C bin 2x2
Astronomik R 1.25" Type IIc: 10x120" -10C bin 2x2

Integration: 0.7 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Avg. Moon age: 9.51 days

Avg. Moon phase: 71.71% job: 2698697

RA center: 276.145 degrees

DEC center: -24.876 degrees

Pixel scale: 0.861 arcsec/pixel

Orientation: 358.174 degrees

Field radius: 0.247 degrees

Data source: Backyard


Here is an attempt at globular cluster M28. This cluster just about reaches 10 degrees altitude from my location and with a bit of judicious imaging I can just capture it for a brief period hovering over my observatory wall. I tried to collect data over a couple of nights, but on both occasions the green data proved unusable, so this image comprise just a handful of RB subs from which a synthetic G was included to produce the RGB image.
The cluster is seen against a rich starfield background looking towards the center of our Milky Way galaxy.



Geof Lewis
License: None (All rights reserved)

Sky plot

Sky plot


M28 13 May 2019, 


            Geof Lewis