Sketch of Jupiter, Callisto, Impact Scar and Shadow Transit Click image to view larger version. Observation Notes: Jupiter put on a great show tonight! The impact feature is still hanging on and was readily visible through my 8 inch Dob at 120X…
Sketch of Jupiter with Impact Scar Click image to view larger version. Observation Notes: On July 19, 2009, amateur astronomer and planetary imager, Anthony Wesley discovered a striking new feature on Jupiter. A dark spot had suddenly appeared in the south polar…
The August issue of Astronomy Now is available. The rich, open cluster NGC 6940 is featured in this column where we take a look at basic methods for scanning and inverting your black on white sketches to convert them to white on…
The July issue of Astronomy Now is available. In the column this month, we visit Barnard 142 & 143, (Barnard’s E, or the Triple Cave Nebula). Subject: Barnard 142 & 143 Issue: July 2009 Astronomy Now Basic Media: Charcoal and graphite on…
Columbia Scientific Balloon Assembly 20090611