Willie
5/20/2017 3:18 AM
I took 5 x 300s luminance of this field with the same setup as the V2 Johnson images. SkySafari 5 indicated that the asteroid should be in there. I just wanted to see if I could identify it with 5 minute exposures. The sequence started at 10:24:10 pm CDT. SkySafari 5 says it was 14.7 magnitude at that time and 255.1 million km distant, 14.18 light minutes.
This is a screenshot of the AstroImageJ display of only the first image after adding the World Coordinate System using AIJ so that objects could be identified by J2000 RA & Dec. The displayed RA & Dec are for the asteroid if I remember correctly.
Willie
Willie
5/20/2017 3:21 AM
Well the attachment didn't show up. I think it is because the Club Express system can't handle PNGs. I will try again with a jpg version.
Willie
Willie
5/20/2017 3:32 AM
Lets see if it will let me attach a higher resolution image.
Willie
Willie
5/20/2017 3:34 AM
This is with the Chrome browser to see if it works.
Willie
Willie
5/20/2017 3:39 AM
From SkySafari 5
(710) Gertrud is a 14th magnitude Asteroid appearing in the constellation Libra. It orbits the sun every 5.5 years at an average distance of 3.1 AU. It is a main belt asteroid which orbits the Sun between Mars and Jupiter.
(710) Gertrud, a small asteroid, is roughly 27 kilometers across.
More info in the attached screenshot.
Willie
5/20/2017 3:41 AM
So Jeff. It appears that Mac users should use Chrome to send images to the forum and PNG files work fine.
Willie
Dave
5/21/2017 7:52 PM
It works Looks good
Dave
---------- Original Message ----------
From: "Astrophotography" <astrophotography@centexastronomy.org>
To: "jde209@netzero.net" <jde209@netzero.net>
Subject: re: Asteroid (710) Gertrud <<$173019812537$>>
Date: Sat, 20 May 2017 03:43:18 -0500
This is with the Chrome browser to see if it works.
Willie
Attachment(s):
File: 710_Gertrud-d-001-wcs.jpg (495.9 KB) -- Address: http://s3.amazonaws.com/ClubExpressClubFiles/901132/attach/1730198_0_710_Gertrud-d-001-wcs.jpg