Friday, September 8, 2017
The Sun 09/08/17
AR2673 is moving off the sun's disk, still crackling with potential X-Class flares. Folks in Northern Europe, Canada, and maybe the upper-tier US states might be in for a treat tonight as strong G-3 Class and severe G-4 Class geomagnetic storms are pummeling the Earth right now. Very bright displays have been reported in Scandinavia.
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20 Hours of WR 134 with the Seestar S50
This image is a 20+ hour integration on WR 134, which is a highly energetic Wolf-Rayet star. The blue shockwave is oxygen ionized by the int...
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I had a couple of emails asking how to defork an ETX telescope. The ETX 90 and ETX 125 were optically superb scopes, but the mounts left a... -
M17, the Omega Nebula (among other names). M17 is one of the brightest and most massive stellar nurseries in the galaxy. The open cluster o... -
The ZEQ25 doing its stuff on a cold night--imaging the Orion Nebula with an 8 inch f/4 astrograph. Note the lovely Christmas rug :) As ...
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