def eop(self):
IERS_A_in_cache()
# astroplan.get_IERS_A_or_workaround()
iers.conf.auto_download = False
iers.conf.auto_max_age = None
now = Time.now()
longitude = '78d57m53s'
latitude = '32d46m44s'
elevation = 4500 * u.m
location = EarthLocation.from_geodetic(longitude, latitude, elevation)
iaohanle = Observer(location=location,
timezone='Asia/Kolkata',
name="IAO",
description="IAO Hanle telescopes")
iaohanle
# Calculating the sunset, midnight and sunrise times for our observatory
sunset_iao = iaohanle.sun_set_time(now, which='nearest')
eve_twil_iao = iaohanle.twilight_evening_astronomical(now,
which='nearest')
midnight_iao = iaohanle.midnight(now, which='next')
morn_twil_iao = iaohanle.twilight_morning_astronomical(now,
which='next')
sunrise_iao = iaohanle.sun_rise_time(now, which='next')
moon_rise = iaohanle.moon_rise_time(eve_twil_iao, which='nearest')
moon_set = iaohanle.moon_set_time(now, which='nearest')
# moon_alt = iaohanle.moon_altaz(now).alt
# moon_az = iaohanle.moon_altaz(now).az
#lst_now = iaohanle.local_sidereal_time(now)
#lst_mid = iaohanle.local_sidereal_time(midnight_iao)
#print("LST at IAO now is {0:.2f}".format(lst_now))
#print("LST at IAO at local midnight will be {0:.2f}".format(lst_mid))
Automation.moon_strength = moon_illumination(midnight_iao)
observing_time = (morn_twil_iao - eve_twil_iao).to(u.h)
#print("Total Night hours at IAO tonight {0:.1f} ".format(observing_time))
img = Image.new('RGB', (850, 320), color=(0, 0, 0))
fnt = ImageFont.truetype(
'/var/lib/defoma/gs.d/dirs/fonts/DejaVuSerif.ttf', 15)
d = ImageDraw.Draw(img)
d.text((10, 11),
"IAO Hanle Coordinates: " + str(iaohanle),
font=fnt,
fill=(255, 255, 255))
d.text((10, 71),
"Moon Illumination Strength : " +
str(moon_illumination(midnight_iao)),
font=fnt,
fill=(255, 255, 255))
d.text((10, 101),
"Sunset : " +
Time(sunset_iao, out_subfmt='date_hms').iso + " UTC",
font=fnt,
fill=(255, 255, 255))
d.text((10, 131),
"Astronomical evening twilight : " +
Time(eve_twil_iao, out_subfmt='date_hms').iso + " UTC",
font=fnt,
fill=(255, 255, 255))
d.text((10, 161),
"Astronomical morning twilight : " +
Time(morn_twil_iao, out_subfmt='date_hms').iso + " UTC",
font=fnt,
fill=(255, 255, 255))
d.text((10, 191),
"Sunrise : " +
Time(sunrise_iao, out_subfmt='date_hms').iso + " UTC",
font=fnt,
fill=(255, 255, 255))
d.text((10, 221),
"Moon Rise : " +
Time(moon_rise, out_subfmt='date_hms').iso + " UTC",
font=fnt,
fill=(255, 255, 255))
d.text((10, 251),
"Moon Set : " +
Time(moon_set, out_subfmt='date_hms').iso + " UTC",
font=fnt,
fill=(255, 255, 255))
d.text((10, 281),
"Total Astronomical hours tonight : " +
str(observing_time),
font=fnt,
fill=(255, 255, 255))
img.save('tonight.png')
img.close()
t_start = eve_twil_iao
t_end = morn_twil_iao
# We can turn solar system objects into 'pseudo-fixed' targets to plan observations
mercury_midnight = FixedTarget(name='Mercury',
coord=get_body('mercury', midnight_iao))
mercury_midnight.coord
venus_midnight = FixedTarget(name='Venus',
coord=get_body('venus', midnight_iao))
venus_midnight.coord
uranus_midnight = FixedTarget(name='Uranus',
coord=get_body('uranus', midnight_iao))
uranus_midnight.coord
neptune_midnight = FixedTarget(name='Neptune',
coord=get_body('neptune', midnight_iao))
neptune_midnight.coord
saturn_midnight = FixedTarget(name='Saturn',
coord=get_body('saturn', midnight_iao))
saturn_midnight.coord
jupiter_midnight = FixedTarget(name='Jupiter',
coord=get_body('jupiter', midnight_iao))
jupiter_midnight.coord
mars_midnight = FixedTarget(name='Mars',
coord=get_body('mars', midnight_iao))
mars_midnight.coord
targets = [
mercury_midnight, venus_midnight, mars_midnight, jupiter_midnight,
saturn_midnight, uranus_midnight, neptune_midnight
]
targets
#for target in targets:
#print(iaohanle.target_rise_time(now, target, which='next', horizon=10 * u.deg).iso)
# iaohanle.altaz(now, targets[0])
# print(iaohanle.target_rise_time(now, target, which='next', horizon=10 * u.deg).iso)
# iaohanle.altaz(now, targets[0])
times = (t_start - 0.5 * u.h) + (t_end - t_start +
1 * u.h) * np.linspace(0.0, 1.0, 20)
for target in targets:
plot_sky(target, iaohanle, times)
plt.legend(loc=[1.0, 0])
plt.xlabel('Planets motion tonight')
# plt.ylim(4,0.5)
# plt.legend()
plt.savefig('planets_motion.png')
plt.close()
# plt.legend(loc=[1.1,0])
coords1 = SkyCoord(
'15h58m3s', '-18d10m0.0s',
frame='icrs') # coordinates of Andromeda Galaxy (M32)
tt1 = FixedTarget(name='Moon', coord=coords1)
tt1.coord
t_observe = t_start + (t_end - t_start) * np.linspace(0.0, 1.0, 20)
plot_sky(tt1, iaohanle, t_observe)
plt.xlabel('Moon motion tonight')
plt.savefig('moon_motion.png')
plt.close()
if (eve_twil_iao <= now):
Automation.eve_twilight_flag = 1
Automation.mor_twilight_flag = 0
Automation.moon_setting_flag = 0
elif (morn_twil_iao <= now):
Automation.eve_twilight_flag = 0
Automation.mor_twilight_flag = 1
Automation.moon_setting_flag = 0
elif (Automation.moon_strength > 0.30):
if (moon_rise <= now):
Automation.eve_twilight_flag = 0
Automation.mor_twilight_flag = 0
Automation.moon_setting_flag = 1
elif (moon_set <= now):
Automation.eve_twilight_flag = 1
Automation.mor_twilight_flag = 0
Automation.moon_setting_flag = 0
import numpy as np
from astroplan import Observer
from astropy.coordinates import EarthLocation
import astropy.units as u
from astropy.time import Time
observer = Observer(longitude=-70.7494 * u.deg,
latitude=-30.2444 * u.deg,
elevation=2650.0 * u.m,
name="LSST")
mjd_start = 59853.5
times = Time(np.arange(mjd_start, mjd_start + 356.25 * 3, .3), format='mjd')
tt = observer.twilight_evening_astronomical(times)
ack = observer.moon_rise_time(times)
round_ack = np.round(ack.mjd, decimals=5)
names = [
'night', 'sunset', 'sun_n12_setting', 'sun_n18_setting',
'sun_n18_rising', 'sun_n12_rising', 'sunrise', 'moonrise', 'moonset'
]
types = [int]
types.extend([float] * (len(names) - 1))
almanac = np.zeros(sunsets.size, dtype=list(zip(names, types)))
almanac['sunset'] = sunsets
times = Time(sunsets, format='mjd')
print('evening twilight 1')
almanac['sun_n12_setting'] = observer.twilight_evening_nautical(times).mjd
almanac['sun_n18_setting'] = observer.twilight_evening_astronomical(
times).mjd
almanac['sun_n18_rising'] = observer.twilight_morning_astronomical(
times).mjd
almanac['sun_n12_rising'] = observer.twilight_morning_nautical(times).mjd
almanac['sunrise'] = observer.sun_rise_time(times).mjd
almanac['moonset'] = observer.moon_set_time(times).mjd
print('moonrise')
almanac['moonrise'] = observer.moon_rise_time(times).mjd
results.append(almanac)
almanac = np.concatenate(results)
umjds, indx = np.unique(almanac['sunset'], return_index=True)
almanac = almanac[indx]
almanac['night'] = np.arange(almanac['night'].size)
np.savez('sunsets.npz', almanac=almanac)
lokasi = Observer(name='Siak', location=location) #GMS
time = Time('2019-12-26') #UTC
midnight = Time(lokasi.midnight(time).iso)
delta_md = np.linspace(-5, 5, 22) * u.hour
win_time = midnight + delta_md
night = win_time
# day = (midnight + 12*u.hour) + delta_md
day = (midnight + 12 * u.hour) + np.linspace(0, 3, 30) * u.hour # GMS
op = pd.read_csv('op.csv', index_col='nama')
ra = op.ra
dec = op.dec
sunset = lokasi.sun_set_time(time)
sunrise = lokasi.sun_rise_time(time)
moonrise = lokasi.moon_rise_time(time)
moonset = lokasi.moon_set_time(time)
moon_ill = lokasi.moon_illumination(time)
moonaltaz = lokasi.moon_altaz(time)
moonaltaz.name = 'moon'
sunaltaz = lokasi.sun_altaz(time)
sunaltaz.name = 'sun'
def objek(nama, ra, dec):
op = SkyCoord(ra, dec, frame='icrs', unit='deg')
op_name = FixedTarget(coord=op, name=nama)
# betelgeus = SkyCoord.from_name('betelgeuse')
# altaz_frame = lokasi.altaz(time) # ubah lokasi pengamat ke altaz frame
# betelgeus_altaz = betelgeus.transform_to(altaz_frame) # ubah target ke altaz
altaz = lokasi.altaz(win_time, op)
'sun_n12_rising', 'sunrise', 'moonrise', 'moonset'
]
types = [int]
types.extend([float] * (len(names) - 1))
base_al = np.zeros(1, dtype=list(zip(names, types)))
while mjd < (mjd_start + duration):
times = Time(mjd, format='mjd')
sunsets = observer.sun_set_time(times, which='next')
times = sunsets
almanac = base_al.copy()
almanac['sunset'] = sunsets.mjd
almanac['moonset'] = observer.moon_set_time(times, which='next').mjd
almanac['moonrise'] = observer.moon_rise_time(times, which='next').mjd
almanac['sun_n12_setting'] = observer.twilight_evening_nautical(
times, which='next').mjd
times = observer.twilight_evening_astronomical(times, which='next')
almanac['sun_n18_setting'] = times.mjd
almanac['sun_n18_rising'] = observer.twilight_morning_astronomical(
times, which='next').mjd
almanac['sun_n12_rising'] = observer.twilight_morning_nautical(
times, which='next').mjd
almanac['sunrise'] = observer.sun_rise_time(times, which='next').mjd
results.append(almanac)
mjd = almanac['sunrise'] + t_step
progress = (mjd - mjd_start) / duration * 100
text = "\rprogress = %.2f%%" % progress
sys.stdout.write(text)
