Astro Madagascar

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Astronomy Science

29/03/2026
Le soleil, de la cosmogonie à la cosmologie 5/8 : Les taches solaires, de Galilée à aujourd’hui 19/03/2026

https://www.radiofrance.fr/franceculture/podcasts/les-nuits-de-france-culture/le-soleil-de-la-cosmogonie-a-la-cosmologie-5-8-les-taches-solaires-de-galilee-a-aujourd-hui-3309696

Le soleil, de la cosmogonie à la cosmologie 5/8 : Les taches solaires, de Galilée à aujourd’hui Provenant du podcast Les Nuits de France Culture Par Albane Penaranda Suivre Ce volet de "La Science et les hommes ", consacré aux taches solaires de Galilée à aujourd’hui, retrace la découverte par Galilée des taches solaires au début du 17e siècle, et montre en quoi l’analyse qu’il en...

James Webb Telescope detects earliest known black hole — it's really big for its age 02/02/2026

The Sun and The Moon on February 2nd, 2026 at 10:00 UTC [ R0 ]

RedShift Navigation Time: 09:00:15.00 PM

Seasons:
Northern Hemisphere: WINTER SOLSTICE
Southern Hemisphere: SUMMER SOLSTICE

Daylight Saving Time End (DST): 11/02/2025 at 1:00:00 AM EST
Our clocks are set back to Standard Time again.

Change of Season
from Vernal Equinox to Winter Solstice (Northern Hemisphere)
from Automnal Equinox to Summer Solstice (Southern Hemisphere),

on 12/21/2025 at 12:01:25.00 AM EST

The Sun at TA**US [ χ(1, 2)Ori: ST: (1): G0V, (2): ST: B2var - ζTau: B4p ]
RA:06h 01m 19.0s, DEC: 023° 26' 02.3"

1/29/2025
Chinese Lunar New Year, or The Spring Festival: Year of Snake

is a festival that celebrates the beginning of a new year on the traditional lunisolar Chinese calendar. Marking the end of winter and the beginning of spring, this festival takes place from Chinese New Year's Eve (the evening preceding the first day of the year) to the Lantern Festival, held on the 15th day of the year.

The first day of Chinese New Year begins on The New Moon that appears between 21 January and 20 February.

Half FOV: + 6h51m45.65s
( From The Zenith to Sun Position)

Ai - Generated
Spectral Type: ST: Color and Type: " O " "FJKM", "Why?"

Zenith
Night Sky View: CAPRICORNUS Const.° (10/26/2025)
Morning Sky View: LEO Const.° (11/09/2025)

A Quarter of Day
24h : 3.99= 6.015h

Zenith on VIRGO Const.°
RA:14h12m33.45s
Dec 38° 00' 45.16"
Local Time Difference: + 8h12m
-00 + 6 + 2 = + 8h12m33.45s

The Sun at CAPRICORNUS [ Dabih: βCap(1(Aa-Ab)-2(Ba-Bb)): ST: (1): Aa: K0II or G9II, Ab: B8V - Ba: A0III - A0V , Bb: - α(1, 2)Cap: ST: (1): G3Ib, (2): G8.5III-IV ]
RA:21h 04m 19.1s, DEC: −016° 44' 14.3"

The Moon at CANCER [ π(1, 2)Cnc: ST: (1): G9V, (2): K1III - Acubens: αCnc(A-B): ST: A5m ]
RA:09h 31m 00.9s, DEC: 015° 41' 21.2"

Moon Phase
RA + 12h26m41.80s
Dec - 31d02m53.10s

Daily Motion
The Sun
RA + 04m04.00s
Dec + 17m17.60s

The Moon
RA + 55m56.00s
Dec - 5d08m35.60s

Twitter [10]
James Webb Telescope reveals earliest known black hole inside galaxy GN-z11
https://www.npr.org/2024/01/17/1225153504/james-webb-telescope-detects-earliest-known-black-hole-its-really-big-for-its-ag

h: hour d: degree m: minute s: second

RA: Right Ascension
Dec: Declination
ST: Spectral Type or Color and Type

Milkyway Birthplace: on Orion Nebula

¥- Apparent Magnitude (m), Mag.
The Sun Mag.: -26.8 m

November 3, 2018, 10:00 UTC
Venus on VIRGO [2.3 min]
Mag : -4.34 m

Sunlight reflected from the surface of Venus at this date and time takes 2.3 minutes to reach Earth.
Venus is at RA: 13h38m42.64s, DEC: -15d09m17.07s

Jupiter [52.4 min]
Mag.: -1.61 m
Sunlight reflected from the surface of Jupiter at this date and time takes 52.4 minutes to reach Earth.
Jupiter is at RA: 15h46m14.07s, DEC: -19d10m42.45s

¥- Calculation of Zenith and Local Time:
Earth: - (minus)
Sky Zenith: + (plus)

Hour Angle
In astronomy and celestial navigation, the hour angle is one of the coordinates used in the equatorial coordinate system to give the direction of a point on the celestial sphere.
The angle may be measured in degrees or in time, with
24h = 360°---> 1h = 15°

¥- Day Field of View(FoV) and Night Field of View(FoV) of Constellation:
is 12h apart + Time Celestial difference.
e.g.: 7:00 --> 19h

Today: 6/20/2016 @ 7:00am
The Sun Day FoV: on TA**US
The Moon Night FoV: on SAGITTARIUS

James Webb Telescope detects earliest known black hole — it's really big for its age Data from the James Webb Space Telescope indicate that a galaxy known as GN-z11 has a supermassive black hole at its center — one that's far more massive than astronomers expected.

14/01/2026

Cygnus X-1 - Cyg X-1 - Trou Noir - Black Holes - HDE 226868 - Uhuru Satellite - aka SAS-1 or Explorer 42 - Small Astronomy Satellite 1

02/01/2026

Happy New Year 2026

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