AR2381 in a heat wave
Taken by Bernard Durand on July 7, 2015 @
Hautes-Alpes, France
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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ISO: Unavailable
Date Taken: 2015:07:07 18:32:20
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Details:
AR2381 was shot today in a heat wave here in France. The focuser T° was reaching 105°F during the afternoon. At the moment of the video it was yet more than 100°F.
Refractor: Istar Optical TCR 204mm.
Astrosolar ND 3.8 + IR/UV cut + Continuum.
Powermate 2.5x
Basler 1920-155um
The seeing during the video was on average 1.7 arcsec. I'll try to have better to-morrow !
I attach the setup and the T° focuser images.
Cheers,
Bernard.
Photographer's website:
http://www.astrofrenchy.com
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