M10 Over 100 Messier objects including Star-Clusters, Nebulae and Galaxies. Orion Nebula Moon More than 1000 “NGC” objects. Star-forming hydrogen cloud Planets, Double-Stars, Variable-Stars, Comets and Asteroids. NGC4565 Albireo Galaxy, 50 million light-years.
Download ReportTranscript M10 Over 100 Messier objects including Star-Clusters, Nebulae and Galaxies. Orion Nebula Moon More than 1000 “NGC” objects. Star-forming hydrogen cloud Planets, Double-Stars, Variable-Stars, Comets and Asteroids. NGC4565 Albireo Galaxy, 50 million light-years.
Slide 1
Slide 2
M10
Over 100 Messier objects including
Star-Clusters, Nebulae and Galaxies.
Orion Nebula
Moon
More than 1000 “NGC” objects.
Star-forming
hydrogen cloud
Planets, Double-Stars, Variable-Stars,
Comets and Asteroids.
NGC4565
Albireo
Galaxy, 50 million
light-years distant
Show-piece coloured
double star
Impact craters and
mountains
NGC3293
Star-cluster of
young hot stars
Saturn
270.000km wide
ring-system
Viewing through a 12 inch telescope under a dark sky
Slide 3
Gathers more light
Sees fainter objects
Sees further into space
Sees more detail
38mm²
How
A telescope
does
a telescope
mirror
has a
Your
eye has
very few
“see”
large better
surface
than
area
your
to
square
millimeters
of
eye?
gather light
and
surface
areafrom
to letfaint
in light.
distant celestial objects.
Wayne Mitchell
Slide 4
Galaxy
30 million
light- years away
Eye-Piece
Wayne Mitchell
Slide 5
Galaxy
30 million
light- years away
Eye-Piece
Wayne Mitchell
Slide 6
Point telescope at object you
wish to view.
Telescope
Eye-piece
FOCUS
Wayne Mitchell
Finder-scope
Slide 7
Centre Finder-Scope cross-hairs
on object, in this case a STARLook into Telescope Eye-Piece
CLUSTER
Finder-scope
Star cluster
Telescope
Eye-piece
9X
FOCUS
100X
Wayne Mitchell
Slide 8
Locate
Point the
Saturn
telescope
usingata Saturn
Star-Map.
Saturn looks like a bright yellow star.
Telescope
Eye-piece
Finder-scope
Saturn
FOCUS
Wayne Mitchell
Slide 9
Centre the FinderScope on Saturn
Finder-scope
9X
Look into the eye-piece
Telescope
Eye-piece
300X
FOCUS
Wayne Mitchell
Slide 10
Alpine
valley
: 130kmA
long
gash through
hills,
a violently
large
impact
The
“Straight
Wall”:
geological
fault
in
thecreated
moons
crust
about
240m
high
Apennine
Mountains:
Peak
heights
of
more
than
5km, aby
daring
challenge
for
any and
110km
long
Wayne Mitchell
lunar
rock
climber.
Slide 11
Purpose of the Finder-Scope?
5 degree
field
Use
The
The
the
Finder-Scope
Eye-Piece
Finder-Scope
“sees”
“sees”
first
a very
atolarge
find
small
area
thearea
object
of the
of and
the
sky,
toabout
align
sky, 5
only
the
degrees
telescope
aboutas1 illustrated…
degree…
up with the Eye-Piece
1 degree
Wayne Mitchell
Slide 12
AA HIGH
magnification Eye-Piece
Eye-Piece “sees”
“sees” a
a larger
small area.
LOW magnification
area.
You fit “more sky” into the Eye-Piece!
Wayne Mitchell
Slide 13
Example
Telescope Focal-Length = 1000mm
Eye-Piece Focal Length = 32mm
Magnification = 1000/32 = 31X
Magnification
is determined
the Telescope
As you can see,
a Low-Powerby
Eye-Piece
fits the Focal-Length
whole Moon into its
divided by the Eye-Piece Focal-Length.
field
Wayne Mitchell
Slide 14
Saturn
500X
100X
200X
As
you
see,
apower,
“medium”
power
yields
superior,
100X
500X
200X
,magnification
a, can
a
“very
“high”
high”
ispower,
a “low”
yielding
yields
power,
bright
dull
yielding
and
andadistorted
sharp
bright
well defined
and
sharp
and
planetary
sharp
planetary
images
planetary
images
in 8images
inch
in
any
orin
larger
most
size image.
telescope.
size telescopes.
Slide 15
Look out for these 3 bright
stars known as Orion’s Belt.
Take note of the surrounding
brightest stars forming this
pattern…
You have just identified the
Orion star constellation
Use the following Star-Map to
identify the bright star names
and other celestial objects…
The Orion constellation photographed by Wayne Mitchell
Slide 16
STAR MAP
OF O
Rigel
Saiph
(star)
M42 (nebula)
Sigma (star)
Bellatrix
Betelgeuse
Slide 17
Rigel
M42
Sigma
Rigel: A Double-Star, appears as a single star to
the naked eye, but a telescope reveals Rigel’s close
TELESCOPE
orbiting companion star.
Sigma
M42
Orionis
Orion: Nebula
A Multiple-Star,
: A beautiful
also appears
intricateas
mass
a single
of
star to
glowing
the naked
hydrogen
eye, but
gas,
a telescope
home to the
reveals
birth of
4 stars,
new stars.
gravitationally bound in a celestial dance…
Slide 18
Earth’s rotation causes objects to “drift” in the
telescope’s field of view as demonstrated below…
Telescope view of Comet
Compensation for the “Drifting” motion is achieved by
frequently adjusting the telescope manually or by using
a Motor-Driven equatorial mount.
Slide 19
Slide 20
REFLECTOR
TELESCOPE
REFLECTOR
TELESCOPE
EQUATORIAL
TRIPOD
DOBSONIAN
Optional
motorized
tracking
of
Larger aperture
scope
at a lower
celestial
objects.
cost.
Used
for astro-photography.
Fast set-up
time.
Slow-motion
hand-wheel
Simple to use,
“Push-Pull”.
adjustments.
Requires no polar alignment.
Portable tripod assembly.
BASE
Wayne Mitchell
Slide 21
30
10
20
Recording
MIN
+
_
Attachthe
Leave
camera
shutter
to telescope
open for 30
and
minutes
open shutter.
while
telescope tracks the nebula.
Wayne Mitchell
Slide 22
Photo- Spiral Galaxy
Slide 23
Actual View!- Saturn
Slide 24
Actual View- Star-Cluster
Slide 25
Actual View- Moon surface
Slide 26
Symbolizing a “heart” – cluster NGC2547 in Vela
Slide 27
Stars
Stars
visible
visible
under
from
a dark
a citysky
Thousands more stars are present in this tiny area ..
Slide 2
M10
Over 100 Messier objects including
Star-Clusters, Nebulae and Galaxies.
Orion Nebula
Moon
More than 1000 “NGC” objects.
Star-forming
hydrogen cloud
Planets, Double-Stars, Variable-Stars,
Comets and Asteroids.
NGC4565
Albireo
Galaxy, 50 million
light-years distant
Show-piece coloured
double star
Impact craters and
mountains
NGC3293
Star-cluster of
young hot stars
Saturn
270.000km wide
ring-system
Viewing through a 12 inch telescope under a dark sky
Slide 3
Gathers more light
Sees fainter objects
Sees further into space
Sees more detail
38mm²
How
A telescope
does
a telescope
mirror
has a
Your
eye has
very few
“see”
large better
surface
than
area
your
to
square
millimeters
of
eye?
gather light
and
surface
areafrom
to letfaint
in light.
distant celestial objects.
Wayne Mitchell
Slide 4
Galaxy
30 million
light- years away
Eye-Piece
Wayne Mitchell
Slide 5
Galaxy
30 million
light- years away
Eye-Piece
Wayne Mitchell
Slide 6
Point telescope at object you
wish to view.
Telescope
Eye-piece
FOCUS
Wayne Mitchell
Finder-scope
Slide 7
Centre Finder-Scope cross-hairs
on object, in this case a STARLook into Telescope Eye-Piece
CLUSTER
Finder-scope
Star cluster
Telescope
Eye-piece
9X
FOCUS
100X
Wayne Mitchell
Slide 8
Locate
Point the
Saturn
telescope
usingata Saturn
Star-Map.
Saturn looks like a bright yellow star.
Telescope
Eye-piece
Finder-scope
Saturn
FOCUS
Wayne Mitchell
Slide 9
Centre the FinderScope on Saturn
Finder-scope
9X
Look into the eye-piece
Telescope
Eye-piece
300X
FOCUS
Wayne Mitchell
Slide 10
Alpine
valley
: 130kmA
long
gash through
hills,
a violently
large
impact
The
“Straight
Wall”:
geological
fault
in
thecreated
moons
crust
about
240m
high
Apennine
Mountains:
Peak
heights
of
more
than
5km, aby
daring
challenge
for
any and
110km
long
Wayne Mitchell
lunar
rock
climber.
Slide 11
Purpose of the Finder-Scope?
5 degree
field
Use
The
The
the
Finder-Scope
Eye-Piece
Finder-Scope
“sees”
“sees”
first
a very
atolarge
find
small
area
thearea
object
of the
of and
the
sky,
toabout
align
sky, 5
only
the
degrees
telescope
aboutas1 illustrated…
degree…
up with the Eye-Piece
1 degree
Wayne Mitchell
Slide 12
AA HIGH
magnification Eye-Piece
Eye-Piece “sees”
“sees” a
a larger
small area.
LOW magnification
area.
You fit “more sky” into the Eye-Piece!
Wayne Mitchell
Slide 13
Example
Telescope Focal-Length = 1000mm
Eye-Piece Focal Length = 32mm
Magnification = 1000/32 = 31X
Magnification
is determined
the Telescope
As you can see,
a Low-Powerby
Eye-Piece
fits the Focal-Length
whole Moon into its
divided by the Eye-Piece Focal-Length.
field
Wayne Mitchell
Slide 14
Saturn
500X
100X
200X
As
you
see,
apower,
“medium”
power
yields
superior,
100X
500X
200X
,magnification
a, can
a
“very
“high”
high”
ispower,
a “low”
yielding
yields
power,
bright
dull
yielding
and
andadistorted
sharp
bright
well defined
and
sharp
and
planetary
sharp
planetary
images
planetary
images
in 8images
inch
in
any
orin
larger
most
size image.
telescope.
size telescopes.
Slide 15
Look out for these 3 bright
stars known as Orion’s Belt.
Take note of the surrounding
brightest stars forming this
pattern…
You have just identified the
Orion star constellation
Use the following Star-Map to
identify the bright star names
and other celestial objects…
The Orion constellation photographed by Wayne Mitchell
Slide 16
STAR MAP
OF O
Rigel
Saiph
(star)
M42 (nebula)
Sigma (star)
Bellatrix
Betelgeuse
Slide 17
Rigel
M42
Sigma
Rigel: A Double-Star, appears as a single star to
the naked eye, but a telescope reveals Rigel’s close
TELESCOPE
orbiting companion star.
Sigma
M42
Orionis
Orion: Nebula
A Multiple-Star,
: A beautiful
also appears
intricateas
mass
a single
of
star to
glowing
the naked
hydrogen
eye, but
gas,
a telescope
home to the
reveals
birth of
4 stars,
new stars.
gravitationally bound in a celestial dance…
Slide 18
Earth’s rotation causes objects to “drift” in the
telescope’s field of view as demonstrated below…
Telescope view of Comet
Compensation for the “Drifting” motion is achieved by
frequently adjusting the telescope manually or by using
a Motor-Driven equatorial mount.
Slide 19
Slide 20
REFLECTOR
TELESCOPE
REFLECTOR
TELESCOPE
EQUATORIAL
TRIPOD
DOBSONIAN
Optional
motorized
tracking
of
Larger aperture
scope
at a lower
celestial
objects.
cost.
Used
for astro-photography.
Fast set-up
time.
Slow-motion
hand-wheel
Simple to use,
“Push-Pull”.
adjustments.
Requires no polar alignment.
Portable tripod assembly.
BASE
Wayne Mitchell
Slide 21
30
10
20
Recording
MIN
+
_
Attachthe
Leave
camera
shutter
to telescope
open for 30
and
minutes
open shutter.
while
telescope tracks the nebula.
Wayne Mitchell
Slide 22
Photo- Spiral Galaxy
Slide 23
Actual View!- Saturn
Slide 24
Actual View- Star-Cluster
Slide 25
Actual View- Moon surface
Slide 26
Symbolizing a “heart” – cluster NGC2547 in Vela
Slide 27
Stars
Stars
visible
visible
under
from
a dark
a citysky
Thousands more stars are present in this tiny area ..