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First Last - Observing with astroplan

  • I have given you three locations and three celestial targets.
  • Your job is to determine the best time of year and the best location to observe each of the three targets.
  • A review of astronomical coordinates can be found here.
  • Make your answers as clear as possible.




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%matplotlib inline

import numpy as np
import astropy.units as u
import matplotlib.pyplot as plt

from astroplan import Observer, FixedTarget
from astropy.time import Time
from astropy.coordinates import SkyCoord
from astroplan.plots import plot_sky, plot_airmass

import warnings
warnings.filterwarnings('ignore', category=Warning)

Best Time of Year

  • The best time of year should be a two week period of time during the year 2017.

Setup the targets (get the coordinates)





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Best time to observe Target 1





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Best time to observe Target 2





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Best time to observe Target 3





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Best Location to observe

  • Pick a single night durning the best two week time period.
  • The best location will have the highest altitude (lowest airmass).

Setup the locations





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Best location to observe Target 1





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Best location to observe Target 2





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Best location to observe Target 3





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Locations

  • Mount Magnet Shire Office, Mount Magnet, Western Australia
  • Lagavulin Distillery, Isle of Islay, Scotland
  • Charles Darwin Research Station, Galapagos National Park

Targets

  • 30 Doradus - HII Region in the LMC
  • Omicron Ceti - Variable Red Giant Star
  • NGC 3031 - Spiral Galaxy

You can SIMBAD to find the ICRS (International Celestial Reference System) coordinates for the targets, or try the FixedTarget.from_name() function

Due Tue Feb 21 - 5pm

  • Make sure to change the filename to your name!
  • Make sure to change the Title to your name!
  • File -> Download as -> HTML (.html)
  • upload your .html and .ipynb file to the class Canvas page 




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Content source: UWashington-Astro300/Astro300-W17

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