Index
A
abbreviations, Java
adapters for eyepieces
adapters for filters
adding images
aligning a Newtonian telescope
alpha Lyrae (Vega)
altazimuth telescope mount
Andromeda galaxies M31, M32 & M110 (25cm telescope)
Andromeda galaxy M31 (core region)
animation of Jupiter's satellites
aperture of lens
API
API download
application, downloading
application for examining EXIF metadata in image files
Aquila - nova 2009
AstroGrid - setting up to work with GRIP
AstroGrid - use in star charts
astrophotographs - processing steps
astrophotography
astrophotography exposure settings
astro-process results
astro-process steps
averaging images
avoiding saturation of star images
B
BAA (British Astronomical Association)
background colour neutralisation
background correction
bands, definition
Barlow lens for photography
barn door tracker
batch menu
big-endian data
bits per channel
blob detection
blob menu
border terrier
brightest stars
bring GRIP window to front
bring image to front
British Astronomical Association (BAA)
BufferedImage
byte code
C
calibration
camera file formats
camera live view
camera settings in image files
camera techniques
channel mixing
channels, definition
classes involved in ImFrame
clicking image to magnify it
collimation
colour
colour balance
colour histograms
colour profiles
colour saturation
colour theory
coma corrector
combination menu on table of images
combining astrophotographs
combining images
combining images
comet 17P/Holmes
comet position plotting
compare measurements of several images
compiler
compression in image files
configuration menu
contrast - changing manually
contrast - inverting
contrast - stretching automatically
converting an image between 8 and 16 bits per channel
converting an image to monochrome
convolutions menu
coordinate system for position measurements
copying images
copying measurement shapes
Core region of M31 Andromeda galaxy
correcting background
correcting coma
correcting defective pixels
correcting with dark frames
correcting with flat field images
Crayford focusser
cropping an image
curves - changing contrast manually
Cygnus - Milky way 07 Aug
D
dark frames
dark frames
deconvolution
defective pixels
defective pixels - detecting and saving the list
defective pixels - loading a list of
defective pixels - using
Delphinus (constellation)
detect defective pixels
detecting blobs
detector layout in cameras
digital camera file formats
digital negative file format
distance calibration
dividing by flat field images
DNG image format
documentation of SkyWatcher telescope
dogs
download compiled application
download JRE
download the source code
drive error analysis
dumbbell nebula M27
E
eclipses of the moon
edit menu on table of images
electronic noise
enlarging an image
equatorial mount, HEQ5
equatorial telescope mount
estimating star magnitudes
estimating star magnitudes (photometry)
EXIF metadata
EXIF metadata in image files, application for examining
exposing stars without saturation
exposure settings for astrophotography
exposure time
extreme value filter
eyepiece adapters
eyepiece photography
F
features of GRIP
file formats
file menu on main window
file menu on table of images
filter adapters
filter - mean
filter - median
filter - nearest extreme
filter - rank
filters
filter - variance
find GRIP window and bring to front
find image and bring to front
fish-eye lenses
FITS image format
flat field images
flipping an image horizontally or vertically
focusser
focussing
focussing with 2-hole telescope lid
G
galaxies M31, M32 & M110 in Andromeda (25cm telescope)
galaxy M33 (pinwheel)
galaxy M51 (whirlpool)
galaxy M82
Galilean satellites of Jupiter
Galilean satellites of Jupiter
gamma explanation
Gaussian kernels
geometry menu
globular cluster M13 in Hercules
globular cluster M15
globular cluster M92 in Hercules
gnomonic projection
grey-scale images, definition
GRIP, downloading
GRIP's main menu
GRIP's unusual features
H
help menu on main window
help menu on table of images
HEQ5 equatorial mount
Hercules - M13 globular cluster
Hercules - M92 globular cluster
hints & tips for SkyWatcher telescope
Hipparcos data file (hip_main.dat)
histogramming an area of an image
history view
holes in telescope lid
hover and magnify
HR Delphini (variable star)
I
image file formats
image files, application for examining metadata in
image help menu
image information
imageio package
image measurement and calibration
image menu
image metadata
image reading and writing
image representation in Java
images - combining
image sizes
images open - table
images - selecting
image structure
image types
image window menus
ImFrame and associated classes
ImFrame menus
interpolating a RAW image
interpolation between pixels
inverting contrast in an image
ISO speed
issues in current version of GRIP
J
JAI
JAR files
JAR files for AstroGrid
java.awt.image.BufferedImage
java.awt.image.Raster
Java 5, new language features
Java Advanced Imaging
javadoc
Java image representation
Java introduction
Java is little-endian
Java terms and abbreviations
javax.imageio package
JDK
JDK, downloading
JPEG image format
JRE
JRE, downloading
Julian Date
Jupiter's satellites
Jupiter - Galilean view
JVM
K
Kelso
kernel for (de-)convolution
L
laser collimator
length calibration
lens aperture
levels menu
linear convolutions
little-endian data
live view on the camera
loading images from disc
lunar eclipses
lunar photography
Lyra - M57 planetary nebula
M
M110 Andromeda galaxy (25cm telescope)
M13 globular cluster in Hercules
M15 globular cluster
M27 dumbbell nebula
M31 Andromeda galaxy (25cm telescope)
M31 Andromeda galaxy (core region)
M32 Andromeda galaxy (25cm telescope)
M33 pinwheel galaxy
M42 Orion nebula
M45, the Pleiades
M51 whirlpool galaxy
M57 planetary nebula in Lyra
M76 planetary nebula
M82 galaxy
M92 globular cluster in Hercules
magnified view around mouse
magnitude estimation
magnitudes, measuring (photometry)
main menu of GRIP
Maksutov-Cassegrain telescope
margins, RAW image
Meade ETX telescope
mean filter
measurement and calibration menu
measurements - comparing several images
measurements include metadata
measuring along a line in an image
measuring an area of an image
measuring a single point
measuring blobs
measuring pinhole diameter
measuring position - coordinate system
measuring star magnitudes (photometry)
median filter
memory required for images
menu - batch
menu - blob
menu - combining images
menu - convolutions
menu - geometry
menu - image
menu - image help
menu - levels
menu - measurement and calibration
menus - main
menus on image window
menus on table of images
metadata
metadata in image files, application for examining
metadata in measurements
meteor heights - project suggestion
meteors - Perseids 07 Aug
Milky way in Cygnus 07 Aug
mixing channels
monochrome images, definition
moon eclipses
moon photography
moons of Jupiter
mounts for telescopes
moving measurement shapes
multiplying images
N
nearest extreme filter
negating an image
negative projection photography
neutralising background colour
new telescope - 254mm Newtonian
new telescope - documentation
Newtonian telescope, 254mm
NGC 1023 - galaxy in Perseus
NGC 6960 - veil nebula (W part)
NGC 6992 - veil nebula (E part)
NGC 7331 - galaxy in Pegasus
night sky photography
noise in photographs
non-integral pixel coordinates
non-linear convolutions
non-linear curves (gamma)
nova Aql 2009
Nova Delphini 1967
O
open images - table
Orion nebula, M42
overlapping photos
P
panoramic images
pattern for reading/writing pixels
Perseid meteors 07 Aug
photographing stars without saturation
photographing the moon
photographing the night sky
photometry - measuring star magnitudes
pinhole measurement
pinhole photography
pinwheel galaxy M33
pixel, definition
pixel interpolation
pixel reading/writing pattern
pixels - defective
planetary nebula M27 (dumbbell)
planetary nebula M57 in Lyra
planetary nebula M76
Pleiades, M45
plotting comet positions
position measurements - coordinate system
prime focus photography
prime focus photography in Newtonian scope
printable scale for calibration
problems in current version of GRIP
processing steps for astrophotographs
profiling along a line in an image
projection - gnomonic
project suggestion - meteor heights
PSD image format
Q
R
random noise
rank filter
rasters
RAW image format
RAW image - processing into a 16-bit image
RAW margins
reading images from disc
recombining channels
reducing an image
reflecting an image horizontally or vertically
results from the astro process
RGB
rotating an image
S
S/N ratios
satellites of Jupiter
satellites of Jupiter
saturation
saturation and star photos
saving images
saving images to disc
scale for calibration
scaling an image
selecting images
Sesame service - use in star charts
seven sisters (M45, the Pleiades)
shapes for measuring
show GRIP window in front
show image in front
signal-to-noise ratios
single point measurements
sizes of images
SkyWatcher telescope documentation
slide show controls
source code download
splitting the channels of an image
squaring the circle
star chart, using AstroGrid, Sesame, Hipparcos and Tycho
star data
star detection
star magnitude estimation
star photography
star trails
Stephan's quintet (of galaxies)
stretching image contrast automatically
subtracting dark frames
subtracting images
Sudoku helper
Sun's Java web site
Sun Microsystems
SVG scale for calibration
T
table of open images
telescope, 254mm Newtonian
telescope - camera piggy-back
telescope documentation
telescope mount, HEQ5
telescope mounts - equatorial & altazimuth
terms, Java
terriers
thermal noise
thresholding
TIFF image format
TIFF - little- vs big-endian
trails of stars
troubleshooting GRIP
Tycho data file (tyc_main.dat)
U
V
V1722 Aql
variable star magnitude estimation
variance filter
Vega
veil nebula
view history
W
warping astrophotographs to match
whirlpool galaxy M51
WritableRaster
writing images to disc
X
XSLT generating these pages
Y
Z
zooming images
