[AZ-Observing] Re: Transit and Occultation During Eclipse

  • From: Tom Polakis <tpolakis@xxxxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Sun, 5 Apr 2015 18:18:21 -0400

---- Tom Polakis <tpolakis@xxxxxxx> wrote:

The more interesting event is the occultation of the elliptical galaxy NGC
4697, which occurs during totality...

We set up along the ISS transit line at a dark site south of Florence, and did
not see the transit, nor did it appear in images. Only about 10 percent of the
moon was not in the umbra at that time.

We looked carefully through a 10-inch scope, and never saw the emerging
elliptical galaxy. The thin cirrus clouds did not help. It did show up in an
8-second exposure at ISO 1600 through a 4-inch refractor. Look at 3:30 clock
position just off the limb in this image. Pretty spectacular.



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