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Photographer:

Jon Greif

Email:

greif.jon@gmail.com

Location of Photo:

La Jolla, CA, USA

Date/Time of photo:

August 4, 2017 at 11:30 AM PDT

Equipment:

Image taken with a Canon 760D DSLR at ISO 100, 1/30th sec exposure through my Stellarvue 90 mm refractor using a Thousand Oaks White Solar filter over the dewshield and a Baader Planetarium Solar Continuum filter (540 nm) on the camera.ee

Description:

The Baader Planetarium Solar Continuum filter (540 nm) on the camera is responsible for the sharply focused sunspot and the amazing solar granulation, as well as the green hue.

Website:

http://skyandtelescope.org/author/jgreif/

Comments


Image of Jon Greif

Jon Greif

August 7, 2017 at 7:00 pm

There was an arrow pointing to the sunspot, but must have gotten lost in publication. The sunspot is located at 5:00 as you look at the face of the sun. This has been a very quiet year for sunspot activity, so kind of excited to get such a prominent one to photograph.
Jon Greif

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