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M13

Andrey Afanasev
105916
Category:Deep Sky
Published:
2326
M13IC 4617NGC 6205
Resolution:
2708x2722 px
File size:
7545 KB

Technical information

Telescope/Lens
Sky-Watcher Skymax 102/1300
Camera
ZWO ASI533MC Pro
Mount
Sky-Watcher AZ-GTi
Accessories
ZWO ASIAIR
Software
Fitswork, Adobe Photoshop
Location
Velikie Luki, Russia

Light pollution

Orange, Bortle 6 zone

Exposure

  • 20 × 30″ · ISO/Gain: 100
  • 30 × 60″ · ISO/Gain: 100

Total exposure: 40 m

Photo versions

M 13
Updated
M 13

Mar 7th, 2022

48 m

And another globular cluster, in Hercules.

M13
Current photo
M13

Feb 7th, 2020

40 m

M13
M13

Nov 27th, 2019

30 m

Out of focus, as a test of imaging capability at 1300 mm on a small mount. October 2019.

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Comments

Smirnov Andrey
Comment on photo: M13from
I focus using FWHM only on the guide camera. For the main camera, I prefer more reliable methods—using a Bahtinov mask, and I trust the accuracy assessment not to my own eyesight, but to the Bahtinov_grabber software. I recommend it!
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