Difference between revisions of "Crew 183 - Astronomy Reports"
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Latest revision as of 17:54, 16 March 2019
Contents
Astronomy Report – November 24th
POSTED ON NOVEMBER 24, 2017
Astronomy Report
Nov. 23rd/2017
Given that the Musk Observatory is still offline (as it probably will be for the remainder of the mission), my Astronomy observation is limited to Solar observations during the day. This is fine, I’m sure I’ll find plenty to keep me occupied with that.
Today we calibrated the 3D printers and have been continuously printing items that we may need to use in remote locations.
Later tonight, much like last night, I plan to perform a non-sim EVA with our Mission Engineer to practice some Astrophotography. Will post pictures in my next report.
Hopefully I get to do some daytime Solar observations tomorrow. I’ll likely spend most of my day figuring out how to operate that lab.
Problems Encountered: The Musk Observatory being offline.
Toluwa Fayemi
MDRS Crew 183 Astronomer
Astronomy Report – November 26th
POSTED ON NOVEMBER 26, 2017
Astronomy/Science Officer Toluwa Fayemi
As far as our relatively uneventful stay on the Mars Desert Research Station goes, today was a bit more on the eventful side.
The morning started late and we jumped straight into preparing our experiments for the day. Jordan and I spent a good amount of time in the Geology Lab, testing our field 3D scanner on the specimen we retrieved from our EVA the previous day. The results were promising, but we expected to run into some issues in the field. Surely enough, it was difficult to scan an object 360º around while carrying the laptop with us without ‘losing’ the object in the scanner field; particularly in this terrain where the specimen of interest tend to be identical in colour to the ground around it. The sunlight also made it extremely difficult to see the laptop screen, making it difficult to monitor how well we were actually scanning the object.
During the same EVA, we managed to get some exciting photography/videography of the surrounding landscape which may be useful for future exploration/EVAs.
As far as astrophotography, I have been experimenting with my Canon t4i DSLR on various shutter speeds, apertures and ISO settings to continually improve my results. Some of the pictures and the settings used to obtain them are shared below.
This long exposure shot was amongst my first, set at f5.0 and an ISO of 128000, hence the grainy-looking ambient light around the hill. The shutter was open for 30 seconds.
This shot was taken with a briefer shutter, 25 seconds and an f-stop of 6.3. This screenshot does not quite do it justice but I’m pleased with the results of this settings modification. I believe the ISO was set to 64000 for this one.
This is the second shot I took with the HAB in view. I set the ISO to 64000 on this one, lower than the 128000 of the previous. The ambient light from the HAB was a tad too much for an ISO so high. This appears to be the better shot. Both shots had a 25 second shutter time and an f-stop of 6.3.
