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Stellar Neophyte

Huge Sunspot, Active Region 2665 on July 9, 2017

10 Jul 2017, 00:19 UTC
Huge Sunspot, Active Region 2665 on July 9, 2017
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I don't have amazing solar imaging gear - just a DSLR and a home made solar filter - but when there is a sunspot or active region large enough, it's always worth taking a look to see if I can 'spot' it! 😂 But seriously, when I started seeing photos of active region ("AR") 2665 show up on my social media feeds, I had to grab my camera. Single frame with Canon T5i, black polymer solar filter, 300mm, f/7.1, 1/60 sec, ISO 100My lens isn't quite sharp enough to really pull out all the detail, and who can compete with the Solar Dynamics Observatory with crystal clear live images of the sun. Image above compared to the SDO HMI IntensitygramNevertheless, I've found over the years that my best chances are to focus the camera while it's tethered to my laptop, rather than relying on the auto-focus or trying to focus by hand looking through the viewfinder. If you stop and think for a second, it's pretty darn cool to be able to see a sunspot like this with very little equipment. Controlling my camera from my laptop makes me feel super cool, as if I have my own observatory at ...

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