Section6: Section 6: Eclipses, Risings, Settings, Meridian Transits,...
In swephR: High Precision Swiss Ephemeris
Section6 R Documentation
Section 6: Eclipses, Risings, Settings, Meridian Transits, Planetary Phenomena
Description
Functions for: determining eclipse and occultation calculations, computing the times of rising, setting and
meridian transits for all planets, asteroids, the moon and the fixed stars; computing phase, phase angle, elongation,
apparent diameter, apparent magnitude for the Sun, the Moon, all planets and asteroids; and determining
heliacal phenomenon after a given start date
Usage
swe_sol_eclipse_when_loc(jd_start, ephe_flag, geopos, backward)
swe_sol_eclipse_when_glob(jd_start, ephe_flag, ifltype, backward)
swe_sol_eclipse_how(jd_ut, ephe_flag, geopos)
swe_sol_eclipse_where(jd_ut, ephe_flag)
swe_lun_occult_when_loc(jd_start, ipl, starname, ephe_flag, geopos, backward)
swe_lun_occult_when_glob(jd_start, ipl, starname, ephe_flag, ifltype, backward)
swe_lun_occult_where(jd_ut, ipl, starname, ephe_flag)
swe_lun_eclipse_when_loc(jd_start, ephe_flag, geopos, backward)
swe_lun_eclipse_how(jd_ut, ephe_flag, geopos)
swe_lun_eclipse_when(jd_start, ephe_flag, ifltype, backward)
swe_rise_trans_true_hor(
jd_ut,
ipl,
starname,
ephe_flag,
rsmi,
geopos,
atpress,
attemp,
horhgt
)
swe_pheno_ut(jd_ut, ipl, ephe_flag)
swe_pheno(jd_et, ipl, ephe_flag)
swe_azalt(jd_ut, coord_flag, geopos, atpress, attemp, xin)
swe_azalt_rev(jd_ut, coord_flag, geopos, xin)
swe_refrac(InAlt, atpress, attemp, calc_flag)
swe_refrac_extended(InAlt, height, atpress, attemp, lapse_rate, calc_flag)
swe_heliacal_ut(jd_utstart, dgeo, datm, dobs, objectname, event_type, helflag)
swe_vis_limit_mag(jd_ut, dgeo, datm, dobs, objectname, helflag)
swe_heliacal_pheno_ut(jd_ut, dgeo, datm, dobs, objectname, event_type, helflag)
swe_topo_arcus_visionis(
jd_ut,
dgeo,
datm,
dobs,
helflag,
mag,
AziO,
AltO,
AziS,
AziM,
AltM
)
swe_heliacal_angle(
jd_ut,
dgeo,
datm,
dobs,
helflag,
mag,
AziO,
AziS,
AziM,
AltM
)
Arguments
jd_start
Julian day number as double (UT)
ephe_flag
Ephemeris flag as integer (SE$FLG_JPLEPH=1, SE$FLG_SWIEPH=2 or SE$FLG_MOSEPH=4)
geopos
position as numeric vector (longitude, latitude, height)
backward
backwards search as boolean (TRUE)
ifltype
eclipse type as integer (SE$ECL_CENTRAL=1, SE$ECL_NONCENTRAL=2,
SE$ECL_TOTAL=4, SE$ECL_ANNULAR=8, SE$ECL_PARTIAL=16, SE$ECL_ANNULAR_TOTAL=32 or 0 for any)
jd_ut
UT Julian day number as double (day)
ipl
Body/planet as integer (SE$SUN=0, SE$MOON=1, ... SE$PLUTO=9)
starname
Star name as string ("" for no star)
rsmi
Event flag as integer (e.g.: SE$CALC_RISE=1, SE$CALC_SET=2, SE$CALC_MTRANSIT=4, SE$CALC_ITRANSIT=8)
atpress
Atmospheric pressure as double (hPa)
attemp
Atmospheric temperature as double (Celsius)
horhgt
Horizon apparent altitude as double (deg)
jd_et
ET Julian day number as double (day)
coord_flag
Coordinate flag as integer (reference system (SE$ECL2HOR=0 or SE$EQU2HOR=1))
xin
Position of body as numeric vector (either ecliptical or equatorial coordinates, depending on coord_flag)
InAlt
object's apparent/topocentric altitude as double (depending on calc_flag) (deg)
calc_flag
Calculation flag as integer (refraction direction (SE$TRUE_TO_APP=0 or SE$APP_TO_TRUE=1))
height
observer's height as double (m)
lapse_rate
lapse rate as double (K/m)
jd_utstart
UT Julian day number as double (day)
dgeo
Geographic position as numeric vector (longitude, latitude, height)
datm
Atmospheric conditions as numeric vector (pressure, temperature, relative humidity, visibility)
dobs
Observer description as numeric vector
objectname
Name of fixed star or planet as string
event_type
Event type as integer
helflag
Calculation flag (incl. ephe_flag values) as integer
mag
Object's visible magnitude (Vmag) as double (-)
AziO
Object's azimuth as double (deg)
AltO
Object's altitude as double (deg)
AziS
Sun's azimuth as double (deg)
AziM
Moon's azimuth as double (deg)
AltM
Moon's altitude as double (deg)
Details
- swe_sol_eclipse_when_loc()
Find the next solar eclipse for a given geographic position.
- swe_sol_eclipse_when_glob()
Find the next solar eclipse on earth.
- swe_sol_eclipse_how()
Compute the attributes of a solar eclipse for a given time.
- swe_sol_eclipse_where()
Compute the geographic position of a solar eclipse path.
- swe_lun_occult_when_loc()
Find the next lunar occultation with planet or star at a certain position.
- swe_lun_occult_when_glob()
Find the next lunar occultation with planet or star somewhere on the earth.
- swe_lun_occult_where()
Compute the geographic position of an occultation path.
- swe_lun_eclipse_when_loc()
Find the next lunar eclipse for a given geographic position.
- swe_lun_eclipse_how()
Compute the attributes of a lunar eclipse for a given time.
- swe_lun_eclipse_when()
Find the next lunar eclipse on earth.
- swe_rise_trans_true_hor()
Compute the times of rising, setting and meridian transits for planets, asteroids, the moon, and the fixed stars for a local horizon that has an altitude.
- swe_pheno_ut()
Compute phase, phase angle, elongation, apparent diameter, apparent magnitude for the Sun, the Moon, all planets and asteroids (UT)
- swe_pheno()
Compute phase, phase angle, elongation, apparent diameter, apparent magnitude for the Sun, the Moon, all planets and asteroids (ET).
- swe_azalt()
Compute the horizontal coordinates (azimuth and altitude) of a planet or a star from either ecliptical or equatorial coordinates.
- swe_azalt_rev()
Compute either ecliptical or equatorial coordinates from azimuth and true altitude.
If only an apparent altitude is given, the true altitude has to be computed first with
e.g. the function swe_refrac_extended().
- swe_refrac()
Calculate either the topocentric altitude from the apparent altitude
or the apparent altitude from the topocentric altitude.
- swe_refrac_extended()
Calculate either the topocentric altitude from the apparent altitude
or the apparent altitude from the topocentric altitude.
It allows correct calculation of refraction for heights above sea > 0,
where the ideal horizon and planets that are visible may have a negative altitude.
- swe_heliacal_ut()
Compute the Julian day of the next heliacal phenomenon after a given UT start date.
It works between geographic latitudes 60 South and 60 North.
- swe_vis_limit_mag()
Determine the limiting visual magnitude in dark skies. If the visual magnitude mag of an object is known
for a given date (e. g. from a call of function swe_pheno_ut(), and if magnitude is smaller than the value returned
by swe_vis_limit_mag(), then it is visible.
- swe_heliacal_pheno_ut()
Provide data that are relevant for the calculation of heliacal risings and settings.
This function does not provide data of heliacal risings and settings itself, just some
additional data mostly used for test purposes. To calculate heliacal risings and settings,
use the function swe_heliacal_ut().
- swe_topo_arcus_visionis()
Compute topocentric arcus visionis.
- swe_heliacal_angle()
Compute heliacal angle.
Value
swe_sol_eclipse_when_loc returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_sol_eclipse_when_glob returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector
and serr error warning as string
swe_sol_eclipse_how returns a list with named entries:
return status flag as integer,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_sol_eclipse_where returns a list with named entries:
return status flag as integer, pathpos geographic path positions as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_occult_when_loc returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_occult_when_glob returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_occult_where returns a list with named entries:
return status flag as integer, pathpos geographic path positions as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_eclipse_when_loc returns a list with named entries:
return status flag as integer, tret for eclipse timing moments,
attr phenomena during eclipse and serr error warning as string
swe_lun_eclipse_how returns a list with named entries:
return status flag as integer,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_eclipse_when returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector
and serr error warning as string
swe_rise_trans_true_hor returns a list with named entries: return status flag as integer,
tret for azimuth/altitude info as double and serr error message as string
swe_pheno_ut returns a list with named entries:
return status fag as integer, attr for phenomenon information as numeric vector
and serr error warning as string
swe_pheno returns a list with named entries:
return status fag as integer, attr for phenomenon information as numeric vector
and serr error message as string
swe_azalt returns a list with named entries:
xaz for azi/alt info as numeric vector.
swe_azalt_rev returns a list with named entries:
xaz for celestial info as numeric vector.
swe_refrac returns the (apparent/topocentric) altitude as double (deg)
swe_refrac_extended returns a list with named entries: return status flag as integer,
dret refraction results as numeric vector (TopoAlt, AppAlt, refraction)
swe_heliacal_ut returns a list with named entries return status flag as integer,
dret heliacal results as numeric vector, and serr error message as string.
swe_vis_limit_mag returns a list with named entries: return status flag as integer,
dret limiting magnitude as double and serr error message as string
swe_heliacal_pheno_ut returns a list with named entries: return status flag as integer
darr for heliacal details as numeric vector and serr error message as string
swe_topo_arcus_visionis returns a list with named entries: return status flag as integer,
darr heliacal details as numeric vector and serr error message as string
swe_heliacal_angle returns a list with named entries: return status flag as integer,
dret heliacal angle as numeric vector and serr error message as string
See Also
Section 6 in http://www.astro.com/swisseph/swephprg.htm. Remember that array indices start in R at 1, while in C they start at 0!
Examples
data(SE)
swe_sol_eclipse_when_loc(1234567,SE$FLG_MOSEPH,c(0,50,10),FALSE)
swe_sol_eclipse_when_glob(1234567,SE$FLG_MOSEPH,SE$ECL_TOTAL+SE$ECL_CENTRAL+SE$ECL_NONCENTRAL,FALSE)
swe_sol_eclipse_how(1234580.19960447,SE$FLG_MOSEPH,c(0,50,10))
swe_sol_eclipse_where(1234771.68584597,SE$FLG_MOSEPH)
swe_lun_occult_when_loc(1234567,SE$VENUS,"",SE$FLG_MOSEPH+SE$ECL_ONE_TRY,c(0,50,10),FALSE)
swe_lun_occult_when_glob(1234567,SE$VENUS,"",SE$FLG_MOSEPH+SE$ECL_ONE_TRY,SE$ECL_TOTAL,FALSE)
swe_lun_occult_where(1234590.44756319,SE$VENUS,"",SE$FLG_MOSEPH+SE$ECL_ONE_TRY)
swe_lun_eclipse_when_loc(1234567,SE$FLG_MOSEPH,c(0,50,10),FALSE)
swe_lun_eclipse_when(1234567,SE$FLG_MOSEPH,SE$ECL_CENTRAL,FALSE)
swe_lun_eclipse_how(1234580.19960447,SE$FLG_MOSEPH,c(0,50,10))
swe_rise_trans_true_hor(1234567.5,SE$SUN,"",SE$FLG_MOSEPH,0,c(0,50,10),1013.25,15,0)
swe_pheno_ut(1234567,1,SE$FLG_MOSEPH)
swe_pheno(1234567,1,SE$FLG_MOSEPH)
swe_azalt(1234567,SE$EQU2HOR,c(0,50,10),15,1013.25,c(186,22))
swe_azalt_rev(1234567,SE$ECL2HOR,c(0, 50,10),c(123,2))
swe_refrac_extended(2,0,1013.25,15,-0.065,SE$TRUE_TO_APP)
swe_heliacal_ut(1234567,c(0,50,10),c(1013.25,15,50,0.25),c(25,1,1,1,5,0.8),"sirius",
SE$HELIACAL_RISING,SE$HELFLAG_HIGH_PRECISION+SE$FLG_MOSEPH)
swe_vis_limit_mag(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),'sirius',
SE$HELFLAG_HIGH_PRECISION+SE$FLG_MOSEPH)
swe_heliacal_pheno_ut(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),'sirius',
SE$HELIACAL_RISING,SE$HELFLAG_HIGH_PRECISION+SE$FLG_MOSEPH)
swe_topo_arcus_visionis(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),
SE$HELFLAG_HIGH_PRECISION+SE$HELFLAG_OPTICAL_PARAMS,-1,124,2,120,0,-45)
swe_heliacal_angle(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),
SE$HELFLAG_HIGH_PRECISION+SE$HELFLAG_OPTICAL_PARAMS,-1,124,120,0,-45)
swephR documentation built on May 31, 2023, 5:31 p.m.
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| Section6 | R Documentation |
Section 6: Eclipses, Risings, Settings, Meridian Transits, Planetary Phenomena
Description
Functions for: determining eclipse and occultation calculations, computing the times of rising, setting and meridian transits for all planets, asteroids, the moon and the fixed stars; computing phase, phase angle, elongation, apparent diameter, apparent magnitude for the Sun, the Moon, all planets and asteroids; and determining heliacal phenomenon after a given start date
Usage
swe_sol_eclipse_when_loc(jd_start, ephe_flag, geopos, backward)
swe_sol_eclipse_when_glob(jd_start, ephe_flag, ifltype, backward)
swe_sol_eclipse_how(jd_ut, ephe_flag, geopos)
swe_sol_eclipse_where(jd_ut, ephe_flag)
swe_lun_occult_when_loc(jd_start, ipl, starname, ephe_flag, geopos, backward)
swe_lun_occult_when_glob(jd_start, ipl, starname, ephe_flag, ifltype, backward)
swe_lun_occult_where(jd_ut, ipl, starname, ephe_flag)
swe_lun_eclipse_when_loc(jd_start, ephe_flag, geopos, backward)
swe_lun_eclipse_how(jd_ut, ephe_flag, geopos)
swe_lun_eclipse_when(jd_start, ephe_flag, ifltype, backward)
swe_rise_trans_true_hor(
jd_ut,
ipl,
starname,
ephe_flag,
rsmi,
geopos,
atpress,
attemp,
horhgt
)
swe_pheno_ut(jd_ut, ipl, ephe_flag)
swe_pheno(jd_et, ipl, ephe_flag)
swe_azalt(jd_ut, coord_flag, geopos, atpress, attemp, xin)
swe_azalt_rev(jd_ut, coord_flag, geopos, xin)
swe_refrac(InAlt, atpress, attemp, calc_flag)
swe_refrac_extended(InAlt, height, atpress, attemp, lapse_rate, calc_flag)
swe_heliacal_ut(jd_utstart, dgeo, datm, dobs, objectname, event_type, helflag)
swe_vis_limit_mag(jd_ut, dgeo, datm, dobs, objectname, helflag)
swe_heliacal_pheno_ut(jd_ut, dgeo, datm, dobs, objectname, event_type, helflag)
swe_topo_arcus_visionis(
jd_ut,
dgeo,
datm,
dobs,
helflag,
mag,
AziO,
AltO,
AziS,
AziM,
AltM
)
swe_heliacal_angle(
jd_ut,
dgeo,
datm,
dobs,
helflag,
mag,
AziO,
AziS,
AziM,
AltM
)
Arguments
jd_start |
Julian day number as double (UT) |
ephe_flag |
Ephemeris flag as integer ( |
geopos |
position as numeric vector (longitude, latitude, height) |
backward |
backwards search as boolean (TRUE) |
ifltype |
eclipse type as integer ( |
jd_ut |
UT Julian day number as double (day) |
ipl |
Body/planet as integer ( |
starname |
Star name as string ( |
rsmi |
Event flag as integer (e.g.: |
atpress |
Atmospheric pressure as double (hPa) |
attemp |
Atmospheric temperature as double (Celsius) |
horhgt |
Horizon apparent altitude as double (deg) |
jd_et |
ET Julian day number as double (day) |
coord_flag |
Coordinate flag as integer (reference system ( |
xin |
Position of body as numeric vector (either ecliptical or equatorial coordinates, depending on coord_flag) |
InAlt |
object's apparent/topocentric altitude as double (depending on calc_flag) (deg) |
calc_flag |
Calculation flag as integer (refraction direction ( |
height |
observer's height as double (m) |
lapse_rate |
lapse rate as double (K/m) |
jd_utstart |
UT Julian day number as double (day) |
dgeo |
Geographic position as numeric vector (longitude, latitude, height) |
datm |
Atmospheric conditions as numeric vector (pressure, temperature, relative humidity, visibility) |
dobs |
Observer description as numeric vector |
objectname |
Name of fixed star or planet as string |
event_type |
Event type as integer |
helflag |
Calculation flag (incl. ephe_flag values) as integer |
mag |
Object's visible magnitude (Vmag) as double (-) |
AziO |
Object's azimuth as double (deg) |
AltO |
Object's altitude as double (deg) |
AziS |
Sun's azimuth as double (deg) |
AziM |
Moon's azimuth as double (deg) |
AltM |
Moon's altitude as double (deg) |
Details
- swe_sol_eclipse_when_loc()
Find the next solar eclipse for a given geographic position.
- swe_sol_eclipse_when_glob()
Find the next solar eclipse on earth.
- swe_sol_eclipse_how()
Compute the attributes of a solar eclipse for a given time.
- swe_sol_eclipse_where()
Compute the geographic position of a solar eclipse path.
- swe_lun_occult_when_loc()
Find the next lunar occultation with planet or star at a certain position.
- swe_lun_occult_when_glob()
Find the next lunar occultation with planet or star somewhere on the earth.
- swe_lun_occult_where()
Compute the geographic position of an occultation path.
- swe_lun_eclipse_when_loc()
Find the next lunar eclipse for a given geographic position.
- swe_lun_eclipse_how()
Compute the attributes of a lunar eclipse for a given time.
- swe_lun_eclipse_when()
Find the next lunar eclipse on earth.
- swe_rise_trans_true_hor()
Compute the times of rising, setting and meridian transits for planets, asteroids, the moon, and the fixed stars for a local horizon that has an altitude.
- swe_pheno_ut()
Compute phase, phase angle, elongation, apparent diameter, apparent magnitude for the Sun, the Moon, all planets and asteroids (UT)
- swe_pheno()
Compute phase, phase angle, elongation, apparent diameter, apparent magnitude for the Sun, the Moon, all planets and asteroids (ET).
- swe_azalt()
Compute the horizontal coordinates (azimuth and altitude) of a planet or a star from either ecliptical or equatorial coordinates.
- swe_azalt_rev()
Compute either ecliptical or equatorial coordinates from azimuth and true altitude. If only an apparent altitude is given, the true altitude has to be computed first with e.g. the function swe_refrac_extended().
- swe_refrac()
Calculate either the topocentric altitude from the apparent altitude or the apparent altitude from the topocentric altitude.
- swe_refrac_extended()
Calculate either the topocentric altitude from the apparent altitude or the apparent altitude from the topocentric altitude. It allows correct calculation of refraction for heights above sea > 0, where the ideal horizon and planets that are visible may have a negative altitude.
- swe_heliacal_ut()
Compute the Julian day of the next heliacal phenomenon after a given UT start date. It works between geographic latitudes 60 South and 60 North.
- swe_vis_limit_mag()
Determine the limiting visual magnitude in dark skies. If the visual magnitude mag of an object is known for a given date (e. g. from a call of function swe_pheno_ut(), and if magnitude is smaller than the value returned by swe_vis_limit_mag(), then it is visible.
- swe_heliacal_pheno_ut()
Provide data that are relevant for the calculation of heliacal risings and settings. This function does not provide data of heliacal risings and settings itself, just some additional data mostly used for test purposes. To calculate heliacal risings and settings, use the function swe_heliacal_ut().
- swe_topo_arcus_visionis()
Compute topocentric arcus visionis.
- swe_heliacal_angle()
Compute heliacal angle.
Value
swe_sol_eclipse_when_loc returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_sol_eclipse_when_glob returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector
and serr error warning as string
swe_sol_eclipse_how returns a list with named entries:
return status flag as integer,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_sol_eclipse_where returns a list with named entries:
return status flag as integer, pathpos geographic path positions as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_occult_when_loc returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_occult_when_glob returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_occult_where returns a list with named entries:
return status flag as integer, pathpos geographic path positions as numeric vector,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_eclipse_when_loc returns a list with named entries:
return status flag as integer, tret for eclipse timing moments,
attr phenomena during eclipse and serr error warning as string
swe_lun_eclipse_how returns a list with named entries:
return status flag as integer,
attr phenomena during eclipse as numeric vector and serr error message as string
swe_lun_eclipse_when returns a list with named entries:
return status flag as integer, tret for eclipse timing moments as numeric vector
and serr error warning as string
swe_rise_trans_true_hor returns a list with named entries: return status flag as integer,
tret for azimuth/altitude info as double and serr error message as string
swe_pheno_ut returns a list with named entries:
return status fag as integer, attr for phenomenon information as numeric vector
and serr error warning as string
swe_pheno returns a list with named entries:
return status fag as integer, attr for phenomenon information as numeric vector
and serr error message as string
swe_azalt returns a list with named entries:
xaz for azi/alt info as numeric vector.
swe_azalt_rev returns a list with named entries:
xaz for celestial info as numeric vector.
swe_refrac returns the (apparent/topocentric) altitude as double (deg)
swe_refrac_extended returns a list with named entries: return status flag as integer,
dret refraction results as numeric vector (TopoAlt, AppAlt, refraction)
swe_heliacal_ut returns a list with named entries return status flag as integer,
dret heliacal results as numeric vector, and serr error message as string.
swe_vis_limit_mag returns a list with named entries: return status flag as integer,
dret limiting magnitude as double and serr error message as string
swe_heliacal_pheno_ut returns a list with named entries: return status flag as integer
darr for heliacal details as numeric vector and serr error message as string
swe_topo_arcus_visionis returns a list with named entries: return status flag as integer,
darr heliacal details as numeric vector and serr error message as string
swe_heliacal_angle returns a list with named entries: return status flag as integer,
dret heliacal angle as numeric vector and serr error message as string
See Also
Section 6 in http://www.astro.com/swisseph/swephprg.htm. Remember that array indices start in R at 1, while in C they start at 0!
Examples
data(SE)
swe_sol_eclipse_when_loc(1234567,SE$FLG_MOSEPH,c(0,50,10),FALSE)
swe_sol_eclipse_when_glob(1234567,SE$FLG_MOSEPH,SE$ECL_TOTAL+SE$ECL_CENTRAL+SE$ECL_NONCENTRAL,FALSE)
swe_sol_eclipse_how(1234580.19960447,SE$FLG_MOSEPH,c(0,50,10))
swe_sol_eclipse_where(1234771.68584597,SE$FLG_MOSEPH)
swe_lun_occult_when_loc(1234567,SE$VENUS,"",SE$FLG_MOSEPH+SE$ECL_ONE_TRY,c(0,50,10),FALSE)
swe_lun_occult_when_glob(1234567,SE$VENUS,"",SE$FLG_MOSEPH+SE$ECL_ONE_TRY,SE$ECL_TOTAL,FALSE)
swe_lun_occult_where(1234590.44756319,SE$VENUS,"",SE$FLG_MOSEPH+SE$ECL_ONE_TRY)
swe_lun_eclipse_when_loc(1234567,SE$FLG_MOSEPH,c(0,50,10),FALSE)
swe_lun_eclipse_when(1234567,SE$FLG_MOSEPH,SE$ECL_CENTRAL,FALSE)
swe_lun_eclipse_how(1234580.19960447,SE$FLG_MOSEPH,c(0,50,10))
swe_rise_trans_true_hor(1234567.5,SE$SUN,"",SE$FLG_MOSEPH,0,c(0,50,10),1013.25,15,0)
swe_pheno_ut(1234567,1,SE$FLG_MOSEPH)
swe_pheno(1234567,1,SE$FLG_MOSEPH)
swe_azalt(1234567,SE$EQU2HOR,c(0,50,10),15,1013.25,c(186,22))
swe_azalt_rev(1234567,SE$ECL2HOR,c(0, 50,10),c(123,2))
swe_refrac_extended(2,0,1013.25,15,-0.065,SE$TRUE_TO_APP)
swe_heliacal_ut(1234567,c(0,50,10),c(1013.25,15,50,0.25),c(25,1,1,1,5,0.8),"sirius",
SE$HELIACAL_RISING,SE$HELFLAG_HIGH_PRECISION+SE$FLG_MOSEPH)
swe_vis_limit_mag(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),'sirius',
SE$HELFLAG_HIGH_PRECISION+SE$FLG_MOSEPH)
swe_heliacal_pheno_ut(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),'sirius',
SE$HELIACAL_RISING,SE$HELFLAG_HIGH_PRECISION+SE$FLG_MOSEPH)
swe_topo_arcus_visionis(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),
SE$HELFLAG_HIGH_PRECISION+SE$HELFLAG_OPTICAL_PARAMS,-1,124,2,120,0,-45)
swe_heliacal_angle(1234567.5,c(0,50,10),c(1013.25,15,20,0.25),c(25,1,1,1,5,0.8),
SE$HELFLAG_HIGH_PRECISION+SE$HELFLAG_OPTICAL_PARAMS,-1,124,120,0,-45)
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