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M 13

Andrey Afanasev
105916
Category:Deep Sky
Published:
1967
M 13NGC 6199IC 4615IC 4616NGC 6196NGC 6197NGC 6205NGC 6207IC 4614IC 4617
Resolution:
2961x2961 px
File size:
2346 KB

Photo description / processing

And another globular cluster, in Hercules.

Technical information

Telescope/Lens
DeepSky 80/384 APO
Camera
ZWO ASI533MC Pro
Mount
Sky-Watcher HEQ5 Pro
Guide Scope
Guide Scope 50/190
Guide Camera
ZWO ASI120MM
Accessories
ZWO ASIAIR Plus
Software
DeepSkyStacker, Siril, Adobe Photoshop
Location
Velikie Luki, Russia

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 48 × 60″ · ISO/Gain: 100 ·

Total exposure: 48 m

Photo versions

M 13
Current photoUpdated
M 13

Mar 7th, 2022

48 m

And another globular cluster, in Hercules.

M13
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!
Reply

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