ori.gif (1448 bytes)

L E O

 

ori.gif (1448 bytes) Mythology and history

Mythology of Leo

            Leo, corresponds to the lion of Nemea Tifo'n son and Equidna, knocked down the fields devouring to the people  and to the cattle, it was therefore, invulnerable. The first task of Hercules was to kill it. Leon had like mulberry a cave  with two entrances, Hercules plugs one of them and enters by the other to surprise the fierce one. He embraces it tightening it until drowning it, later with the own claws of Leon he skins it and he takes for if same his skin and its head like helmet. Zeus placed to the lion within the constellations to honor his son.

                 In Mesopotamia he symbolizes the fire and the culmination of the solar heating in the North hemisphere. In Egypt solar and monarchic symbol. The Israelites assimilated it with Judá that recuesta like the lion, reason for which appears in the standard of the kingdom that takes the same name. The judeocristiana tradition relates to the evangelista San Marcos. Also to the Hebrews who have the power of gold, solar metal par excellence.

 

ori.gif (1448 bytes) Characteristics

           Leo, one is a precious visible constellation during the months of December until May in the North hemisphere and during the austral autumn in the south. One is a constellation very easy to identify since at first sight it is identified with a lion. One is a zodiacal constellation reason why the Sun crosses this constellation from mid August until half-full of September. It emphasizes in her the Regulus star representing the heart of the fierce one. On the other hand, the constellation of I Leo it does not cross the celestial equator and it is to 50º to the north of the equator of the Milky Route, therefore, we can observe in I Leo great amount of galaxies and no stellar or globular accumulation since the stellar density diminishes as we came near towards the west and therefore towards the galactic North Pole.

  Leo limits the north with the constellations of the Great Bear (Ursa Major) and Leo Minor, to the east with the zodiacal constellation of Cancer, to the south with Hydra, Sextans and Crater and to the west with Comma Berenice and Virgo.

             Leo I located the 2 of January of 1982 at the age of 14 years from the locality of Inca, Majorca, Spain to it.

 

 

Constellation of Leo

 

Main stars

       Alpha, a; denominated Regulus, Cor Leonis (heart of the lion), Rex or To the Kalbal Asad. Regulus is of blue color and magnitude 1,41. Earth light is to 77 years, is a star 134 times more shining than our Sun.

      Beta, b; denominated Denebola, located in the western sector of the constellation very next to Berenice Comma, dista is a white star of magnitude 2.13 36 years light of us; he is 14 times more shining than our Sun.

       Gamma, g; denominated Algieba, precious double star formed by main of 2.20 magnitude and the orange color and the secondary yellow of magnitude separated 3.47 2.5"of arc. The binary system is to 125 years light of us.

        Delta, d; located upon the tail of the lion, denominated Zosma of 2.56 magnitude and white color. Light of us is located to 57 years, is a star 24 times more luminous than our Sun.

    Other objects

           M 65; precious galaxy  of the Sa type, magnitude and 9.3 diameter 9'x2 ' of arc; located in the tail of I read close with the constellation of Virgo.

            M 66; precious galaxy of the Sb type of magnitude 8.9, diameter 9'x4 ' of arc located next to M65.

            M 95, galaxy located in the center of the constellation, magnitude 9.7 and the SBb type, of diameter 8,5'x5 ' of arc.

             M 96, galaxy stuck to the previous one of magnitude 9.30 and the type Sa or Sb, has an angular diameter of 7,5x5'.

 

 

ori.gif (1448 bytes) Observations by telescope

D O U B L E

Nom:a R.A.: 10h.06m.

Dec: 12º13'

Mag: 1.4,7.8 Sep.: 177" P.A.: 307º Nat:f? Spec.:B, A
AOC: 479 DSC: 341 D.D.S.: 00h.15m.(UT); 22-March-1985

alfa

 

       NOTE: One is Regulus, is an exaggerated difference of magnitude between the components, are in addition very separated, nothing less than 3'; it is identified if one is become fond of to Astronomy, is unfolded with 50x.

 

D O U B L E

Nom: g R.A.: 10h.17m.

Dec: 20º06'

Mag: 2.5,3.6 Sep.: 4.3" P.A.: 123º Nat:O Spec.:K,B
AOC: 482 DSC: 344 D.D.S.: 00h.22m.(UT); 22-Dec.-1985

gamma

 

        NOTE: One is in a poor zone; very easy to locate due to the magnitude of the main one, it is one precious double, tightened, is unfolded with 100x, main the orange and secondary the bluish one, the magnitude difference is appreciable.

 

D O U B L E

Nom: S 1442 R.A.: 10h.29m.

Dec: 22º17'

Mag: 8.0,8.5 Sep.: 13" P.A.: 155º Nat:f Spec.:A,B
AOC: 483 DSC: 345 D.D.S.: 00h.49m.(UT); 22-Dec.-1985

sigma1442

 

        NOTE: One is in a poor zone; there is a smallest difference of magnitude, are together, easy to locate is unfolded with 50x; the main one is white and secondary the bluish one.

 

D O U B L E

Nom: S 1448 R.A.: 10h.32m.

Dec: 21º51'

Mag: 7.5, 9.0 Sep.: 11" P.A.: 259º Nat:f? Spec.:A,K
AOC: 484 DSC: 346 D.D.S.:00h.55m.(UT); 22-Dec.-1985

sigma1448

 

        NOTE: one is in a poor zone; there is a remarkable difference of magnitude, are tight although with 50x it is unfolded, to observe the main secondary white and the orange.

 

D O U B L E

Nom: 88 R.A.: 11h.29m.

Dec: 14º39'

Mag: 6.3,8.5 Sep.: 15" P.A.: 329º Nat:? Spec.:K,A
AOC: 525 DSC: 375 D.D.S.:23h.00m.(UT); 15-March-1986 (prisma)

88

 

        NOTE: One is in a zone not very rich; a great difference of magnitude between the components exists that are relatively together; the main one I see it orange, however, the secondary white, is unfolded with 50x.

 

D O U B L E

Nom: OS 112 R.A.: 11h.52m.

Dec: 19º41'

Mag: 8.4,8.4 Sep.: 73" P.A.: 35º Nat:op Spec.:B,A
AOC: 526 DSC: 376 D.D.S.: 23h.06m.(UT); 15-March-1986 (prisma)

osigma112

 

        NOTE: One is in a poor zone; both components have the same magnitude, are separated, superior to 1'; the main one is blue and the secondary white; it is unfolded without difficulty with 50x.

 

G A L A X Y

NGC:3623

M:65

R.A.: 11h.16m.

Dec: 13º22'

Mag: 9.3

Dim:8'x1.5' AOC: 527 AOCN: 151
D.D.S.: 23h.23m.(UT); 15-March-1986  

G A L A X Y

NGC: 3627

M:66

R.A.: 11h.18m.

Dec: 13º17'

Mag:8.4

Dim:8'x2.5' AOC: 528 AOCN: 152
D.D.S.: 23h.25m.(UT); 15-March-1986  

m65 & M66

 

        NOTE: M65: One is in a poor zone; one is a galaxy weak, easy to locate, dark, irregular and diffuse, it is located with 50x; it is of the Sb type, it has a small nucleus and diffuse, Km/s has 666 a radial speed of.

        M66: He is much more shining that M65, is located when being to 30' to the west of M65 easily; two tonalities corresponding to the nucleus are distinguished and to the arms already qe is of the Sb type, and it is almost of song, therefore, his form is something irregular, almost distinguishing his spiral form; it has a small nucleus, and it has 583 a radial speed of Km/s.

 

G A L A X Y

NGC:3384

M:--

R.A.: 10h.46m.

Dec: 12º54'

Mag:10.2

Dim:4'x1.5' AOC:552 AOCN: 156
D.D.S.: 21h.30m.(UT); 1-April-1986(prisma)  

G A L A X Y

NGC:3379

M:--

R.A.: 10h.45m.

Dec: 12151'

Mag:9.2

Dim:2' AOC:553 AOCN: 157
D.D.S.: 21h.31m.(UT); 1-April-1986 (prisma)  

D O U B L E

Nom: S 1472 R.A.: 10h.44m.

Dec: 13º18'

Mag: 8.0,8.0 Sep.: 41" P.A.: 38º Nat:op Spec.:?,?
AOC: 554 DSC: 397 D.D.S.: 21h.32m.(UT); 1-April-1986 (prisma)

D O U B L E

Nom: S 1477 R.A.: 10h.47m.

Dec: 13º12'

Mag: 8.0,8.0 Sep.: 41" P.A.: 38º Nat:op Spec.:?,?
AOC:555 DSC: 398 D.D.S.: 21h.35m.(UT); 1-April-1986 (prisma)

m105, NGC3374, Sigma1477 & Sigma 1472

 

                NOTE: NGC:3384: One is in a poor zone; it is a galaxy easy to identify, although magnitude is of 10,2, located to only 5' of M105; two luminous zones of different brightness are distinguished corresponding to the nucleus that 30"measure about, and to periféria with form rhomboid; it is of type and7; elliptical, therefore, it has a very dense nucleus, the radial speed is of 642 Km/s.   

                M105: Galaxy deals with elliptical, but totally spherical, which entails that it is of type and1, are distinguished, in addition, two tonalities corresponding to the nucleus and the less extensive and more diffuse periphery to average than we moved away of the nucleus; Km/s has a radial speed of 756.

                S 1472: One is to only 5' of M105; both components have the same magnitude, logo not to identify the colors of the components; it is unfolded without difficulty with the eyeglass of 50x.

                S 1477: One is to 10' to the NGC3384 west; like in previous case, both components have the same magnitude, it is unfolded without difficulty with the eyeglass of 50x; one is the one double weakest one of brightness than the previous one.

            As a whole to observe two galaxies and two doubles in the same field corresponding to eyeglass d 50x is everything a spectacle, something that is worth the trouble to return to dream in this magical image.

 

G A L A X Y

NGC: 3368

M:96

R.A.: 10h.44m.

Dec: 12º05'

Mag: 9.1

Dim:5'x4' AOC: 556 AOCN: 158
D.D.S.: 21h.42m.(UT); 1-April-1986 (prisma)  

m96

 

       NOTE: One is in a very poor star field; one is a very shining galaxy and quite great to be it, it is of the Sb type, it is also observed front for that reason we see it spherical, and two zones of different brightness corresponding to the nucleus from 2' and the periphery of the spiral arms.

 

G A L A X Y

NGC:3377

M:--

R.A.: 10h.45m.

Dec: 14º15'

Mag:10.5

Dim:2'x1' AOC: 557 AOCN: 159
D.D.S.: 21h.48m.(UT); 1-April-1986  

G A L A X Y

NGC: 3367

M:--

R.A.: 10h.43m.

Dec: 14º23'

Mag:10.8

Dim:4' AOC: 558 AOCN: 160
D.D.S.: 21h.53m.(UT); 1-April-1986  

ngc3377 & NGC3367

 

      NOTE: NGC 3377: One is in a partially poor zone; one is a galaxy easy to identify although their brightness is bastane low, is of type and5; its elipticidad is observed easily, two types of luminosity are distinguished corresponding to the nucleus and the periphery.

        NGC 3367: One is to 15' to the east of NGC 3377; it is enough weaker than the previous one but although he is greater, is observed a diameter of 1' solely; which makes difficult enough its identification.

 

G A L A X Y

NGC:3351

M:95

R.A.: 10h.41m.

Dec: 11º58'

Mag:10.5

Dim:6'x4' AOC: 559 AOCN: 161
D.D.S.: 22h.10m.(UT); 1-April-1986  

m95

 

        NOTE: One is in a poor zone; it is a galaxy easy to identify due to the magnitude and in addition to the dimensions; it is a galaxy of the spiral type, Sb; that it is observed almost of song, distinguishes in addition two types to luminosities corresponding to the nucleus and the spiral arms.

 

D O U B L E

Nom: S 1540 R.A.: 11h.27m.

Dec: 03º01'

Mag: 6.2, 7.9, 9.9 Sep.(AB): 28.5"

Sep.(AC): 90.3"

P.A.(AB): 150º

P.A.(AC): 188º

Nat(AB):?

Nat(AC):?

Spec.: K, K, ?
AOC: 912 DSC: 694 D.D.S.: 21h.29m.(UT); 26-March-1989

sigma1540

 

        NOTE: One is in a somewhat poor zone; there is a remarkable difference of magnitude between the components, are something separated coverall component C; it is unfolded with 50x, as much the A as the B I see them of orange color, however, I do not identify the color of C due to its weakness of brightness.

 

D O U B L E

Nom: t R.A.: 11h.28m.

Dec: 02º 51'

Mag: 5.1, 8.0, 9.9 Sep.(AB): 91.1"

Sep.(AD): 764"

P.A.(AB): 176º

P.A.(AD): 92º

Nat(AB): ?

Nat(AD): op

Spec.:B,B,?
AOC: 913 DSC: 695 D.D.S.: 21h.38m.(UT); 26-March-1989

tau

 

        NOTE: One is in a poor zone; one is a triple with remarkable difference of brightness between the components that are very separated, is unfolded with the eyeglass of 50x; component C is not visible with R-90mm. due to its magnitude based in 14.3.

 

D O U B L E

Nom:90 R.A.: 11h.35m.

Dec: 16º48'

Mag: 6.0, 7.3, 8.7 Sep.(AB): 3.3"

Sep.(AC): 63.1"

P.A.(AB): 209º

P.A.(AC): 234º

Nat(AB):?

Nat(AC): ?

Spec.:B,B,?
AOC: 914 DSC: 696 D.D.S.:21h.55m.(UT); 26-March-1989 (prisma)

90

 

        NOTE: One is in a zone, very very poor; component AB is very tight unfolding itself with the eyeglass of 200x, both are of blue color, however, component C is very separated slightly superior to 1', and it is unfolded with the eyeglass of 50x, profit not to identify his color.

 

D O U B L E

Nom:S 1565 R.A.: 11h.44m.

Dec: 19º00'

Mag: 7.0,8.9 Sep.: 21.6" P.A.: 304º Nat:? Spec.:F,F
AOC: 915 DSC: 697 D.D.S.: 22h.05m.(UT); 26-March-1989 (prisma)

sigma1565

 

        NOTE: One is in a somewhat poor zone, 3; there is a remarkable difference of brightness between the components, both components I see them of yellow color, is unfolded without difficulty with the eyeglass of 50x.

 

D O U B L E

Nom:OS 239 R.A.: 11h.44m.

Dec: 25º13'

Mag: 6.0,10.3 Sep.: 37.3" P.A.: 24º Nat:? Spec.:K,?
AOC: 916 DSC: 698 D.D.S.: 22h.13m.(UT); 26-March-1989 (prisma)

osigma239

 

        NOTE: One is in a rich zone; there is a remarkable difference of brightness between the components, the secondary one it turns out dificil to identify it, it is unfolded with facility with the eyeglass of 50x.

 

D O U B L E

Nom:93 R.A.: 11h.48m.

Dec: 20º13'

Mag: 4.5, 9.6 Sep.: 74.3" P.A.: 355º Nat:? Spec.:F,?
AOC: 917 DSC: 699 D.D.S.: 22h.20m.(UT); 26-March-1989(Prisma)

93

 

        NOTE: One is in a poor zone; there is a remarkable difference of brightness between the components, are very separadasa unfolding itself with the eyeglass of 50x, the main one I see yellow it, however, profit not to identify the color of the secondary one.

 

D O U B L E

Nom:Sh 132 R.A.: 11h.53m.

Dec: 15º26'

Mag: 6.9,9.9 Sep.: 38.9" P.A.: 14º Nat:? Spec.:A,?
AOC: 918 DSC: 700 D.D.S.: 22h.30m.(UT); 29-March-1989 (prisma)

sh132

 

        NOTE: One is in a somewhat poor zone; there is a remarkable difference of brightness between the components, are something separated, is unfolded without difficulty with the eyeglass of 50x, the main one I see white it, however, due to the magnitude of secondary the profit not to identify it.

 

ori.gif (1448 bytes) Other constellations

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