Friday, September 19, 2014

Where Will Philae Land on Comet 67P?


On November 11th, the European Space Agency's Rosetta spacecraft will dispatch the heavily instrumented Philae lander to an area called "Site J" on one end of Comet 67P/Churyumov–Gerasimenko.

For details see the article in Sky and Telescope.

Thursday, September 4, 2014

Comet Jacques - Coma

It turns out that there was just a bit too much noise in the high ISO images I took of comet Jacques back on August 26th. Stacking and processing them in PixInsight revealed a slightly better view of the nucleus/coma of the comet, but the improvement was marginal at best. If there is a tail in there I didn't capture it.

Analysis of Excessive Green in the Triangulum Galaxy

  Analysis of Excessive Green Color in Hα Regions of M33 An image of M33 (the Triangulum Galaxy), acquired on October 6–7, 2026, exhibited...