Leo doubles and (leo triplet bonus) for april
Just posting the selected Doubles for this months Constellation LEO ..
Many more are there, but these are favourites.....
REGULUS ..ALPHA- Separation 175", MAGS ..1.4, 8.2 PA 307° ...Binos
TAU LEONIS–
SEP 88" Mags..4.9, 7.4
RA 11h 28m 51 DEC +02° 45' 25"...
pale Yellow/ Violet contrasts to me?
7 LEO- AKA.. HR 3818 ...MAGS 6.3,9.4 at sep 41" and PA 90°.
RA IS 09 H 36M 51S
DEC +14° 17' 51"
6 LEO : SEP.. 37.4" PA 75°MAGS.. 6.0,9.3 RA09:32.0 DEC+09:42 Red/White Pair ?
Stf1399: Sep.. 31" , Mags 7.6, 8.4
RA 09h 58m 2s
DEC +19° 40' 31"
.....I see orange /yellow and you?
88 Leonis: Separation 15"..Mags 6.5, 8.5 , RA 11:31.8 DEC+14:22...colours?
54 LEO AKA STF 1487 ..Separation 6.5" Mags 4.5,6.5
YELLOW WHITE/ Pale Blue?
GAMMA LEONIS.. AKA ALGIEBA :Separation....4.4", PA123°....Mags** 2.5, 3.5** RA10:19.9 DEC+19:50... both brilliant ORANGE to my eyes!
90 Leonis AKA STF1552 : Separation 3.4" , PA 209°....Mags.. 6.0,7.5
RA 11:34.7 DEC+16:47
Stf 1389:
Sep 2.3" , PA 297° Mags 8.0,9.00
RA 9:52.5 DEC+26:58... Intense RED primary/ORANGE pair..what do you see?
IOTA LEONIS: Is actually TRIPLE..Sep AB 2.2", Mags AB.. 4, 6.7 ........... RA 11:23.9 DEC+10:32 colours ? VERY TOUGH..SEE BELOW
(BONUS
BETWEEN IOTA AND CHERTAN ARE THE LEO TRIPLET M66 M65 N 3628).
IOTA IS AKA..HIP: 55642, AKA.. SAO: 99587
RA: 11h 23.9m DEC: +10° 32′
Mags AB: 4.06, 6.71 .AB,C: 4. 11.06
Separation AB: 2.2″ ......Separation of AB,C: 331.30″
PA of AB: 95.9° (WDS 2015 )
PA of AC: 346° (WDS 2000)
STT 215 , AKA... SAO 99032 :Sep 1", Mags 7.0,7.5
Very tough but equal pair , RA 10h 17m 15s DEC + 17° 38' 56".. so very good seeing needed, and Dawes limit applies here.
110mm Aperture min AND COLOUR CONTRAST?
bigjoe.
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Last edited by bigjoe; 10-04-2018 at 10:14 PM.
Reason: Adding info
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