30th April.
Working through Astronomy now -May.
Observing
Chart
Date
30 April 2013
Sky
conditions Seeing 2-3
(scale5) Transparency 2-3 (scale 5)
Telescope
Meade 356mm f10
Object
|
Type
|
Const.
|
Eyepiece
|
Observations/Comments
|
M39
|
OC
|
Cyg
|
40 mm
|
About 30+ bright stars
could be seen, the remainer merging into a nebulous looking
background.
|
M57
|
Neb
|
Lyra
|
20mm
|
The Ring Nebula. Good
clear view of fuzzy ring. Also good, if a little dimmer, with 17mm
eyepice.
|
Beta
|
Dbl
|
Lyra
|
17mm
|
3.5/7.2 Mag, 46” sep.
Brighter is variable due to v. close eclipsing brown dwarf
|
M3
|
GC
|
Can Ven
|
17mm
|
Really beautiful.
Individual stars well resolved.
|
M63
|
GX
|
Can Ven
|
17mm
|
Very faint, averted
vision helped to bring it into focus and show the centre bright
area.
|
Rasalgethi
|
Dbl
|
Herc
|
9.7mm
|
M class S. Giant (400x
Sol). Var.3.1-3.9. Secondary G5 Giant +F2 Dwarf 5.4Mag @4.5”
sep. from primary.
Orange red/Green.
Colours seen . Somewhat “spiky” at this high mag.
|
NGC6210
|
PN
|
Herc
|
9.7mm
|
With 17mm -Small and
fuzzy. Almost like blured star. 6,500 Ly distance.
Slightly bigger in
9.7mm but less bright
|
M13
|
GC
|
Herc
|
17mm
|
Focusing very critical
and averted vision needed to see many scattered stars.
Not very bright. Tried
80mm Skywatcher with 17mm eypiece- nice but no differentiation.
|
No comments:
Post a Comment