M13 - Hercules Globular Star Cluster
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M13 - Hercules Globular Star Cluster |
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M13 is a large globular star cluster 22.200 light years away in the constellation Hercules. It contains several hundred thousand stars.
Some extremely distant galaxies are present in the image. Data for some of them can be seen if you move the mouse over the image.
For high resolution version click here.
Picture taken at Mjølfjell (Bortle class 2-3, Norway. April 23-24, 2022
Camera: ASI 1600MM-Pro with EFW filterwheel and Antlia RGB Pro filters.
Telescope: Vixen R200SS Newton reflector with Vixen Coma Corrector PH on Skywatcher AZ-EQ6 mount
Capture and autoguiding by N.I.N.A. and PHD2
Exposure: 36*60s L, 52*60s R, 38*60s G, 38*60s B; f3.8, Gain 139, Offset 50, Cooling at -20.
Darks and Bias
Processing: Astro Pixel Processor, Adobe Lightroom Classic
© 2008: Odd Høydalsvik
