This image is the first of many I
hope to make via the HOU remotely controlled telescope
sponsored by the Hands On Universe program out of the
Lawrence Hall of Science. The image was Saturn, observed on 2
October 2000, with a 24" telescope at Yerkes Observatory. At
the time, the coordinates of Saturn were: RA 3:54:31.00
(hms) and Dec 17:58:21.00 (dms) in 2000 coordinates. No
filter was used on this 5 second exposure. The image was processed using
Graphicconverter. The original FITS file was converted to
jpeg for posting on the internet, and in processing the
brightness and contrast were adjusted, and the image
sharpness was increased using a parameter of 20%.
For more information on the
Hands-On Universe program, click here.
Comet Hale-Bopp taken on March 4,
1997 with a 35 mm camera, using 1000 ASA Kodak
Gold Film. The [Image] exposure is about 3
minutes on a tracking platform I built based on a design
in Sky and Telescope magazine. This is one of
a series of pictures I took that morning.
(95K) Jan-April 1997, page59 Here's the picture I took of Comet
Hale-Bopp near my house, also on March 4, using
the tracking platform and a 50 mm lens. The
three minutes of tracking caused the image of the
house to blur [Image] slightly as the
platform moved, but the house didn't. (95K) Jan-April 1997, page 69 This is the nucleus of Hale-Bopp,
taken with 1600 ASA Kodak print film and scanned
and enhanced using GraphicConverter. The image
was taken with a 17 mm lens in a camera adapter
tube mounted on a Meade 4500 telescope, with
tracking motor. The exposure was about 10 seconds.
Taken 14 April [Image] 1997, around 9 PM.
Note the swirling, arclike shape; to the naked eye it appeared
as a concentric circle or spiral. We
believe this was due to the nucleus rotating
rapidly. Jan-April 1997, page 163 Image of Comet Hyakutake (1996)
taken with 400 speed film from a 35 mm camera,
piggybacked on [Image] Mike Harms'
telescope for 5 minutes (thanks Mike!) on the Saturday night before
closest approach. The picture was then
scanned from a print and enhanced and cropped
here. (39 K) Full moon picture taken in 1996
through a 13.1" Odyssey 1 telescope using a
QuickCam connected to [Image] a Powerbook Duo
250. Image was inverted for normal view and brightness/contrast
enhanced using GraphicConverter. North is at
top. (39 K) (not in observing
notebook) This image of the crescent moon's
terminator was taken in 1984 at Roberts
Observatory at Berea College, Kentucky, using their 16"
Cassegrain [Image] telescope and a
camera adapter. Sorry, I don't have the specs for the image any
more. Summer 1991 page 111 This image was taken on July 5,
1987 at mindnight from McDonald Observatory's 30"
Cassegrain telescope. A sheet of unhypered
Tech-Pan film was used and a manual shutter (I mean
manual--move the plate over the film) exposed
the image for [Image] approximately 1/2
second. A slight blip in the exposure caused the horizontal line
near the bottom of the image. The original
is really much better. This is a scan of the
negative. 1987 page 3 [Image] This is Saturn. The
original let's you see the Cassini Division, but not too well.
There's a hint of a cloud belt here that came
out better after scanning and
processing. 1991 page 118 Jupiter from the Roberts
Observatory at Berea. [Image] Eyepiece
projection, using (I think) a 25 mm eyepiece at f/13. The telescope is
a 16" Cassegrain. Mars, highly magnified, taken in
1988 from the [Image] Roberts Observatory
at Berea College. You can see the polar cap and some vague hints
of surface markings. This is near
opposition. What a difference 15 years makes. This image was taken
with a 10" computer-controlled GPS self-aligning telescope. Fifteen
years ago you could count the number of instruments this sophisticated
on one hand, and this one belongs to my high school. Anyway, the image
was made from a composite of dozens of images captured with a web cam
and enhanced using Kieth's Image Stacker. Details are described here. Note
the resemblance to the image shown in the next row. This is a sketch I made of the
appearance of Mars at 4:00 AM on the night of
September 17, 1987 from the Roberts Observatory. The
polar cap at top was plainly visible. The
circular feature at [Image] center was Solis
Lacus. There was more detail than I could draw. I watched Mars
rotate during the course of the evening.1987 P.
31 This is a picture of the total
solar eclipse observed from Mazatlan, Mexico on
July 11, 1991. This photo was taken through a 4"
Bausch and Lomb telescope. The exposure was at
prime focus. 400 ASA film was used, for about a 1/15
second exposure. A silvered Mylar filter
covered the aperture of the telescope during
the exposure. There was continuous light overcast
during the [Image] eclipse. The bright
pink object is a solar prominence, extending out from the
limb of the moon. This picture is best viewed in
thousands of colors. 1991 page 63 This is about a 5 minute
exposure using 1000 ASA film taken piggyback on a 27"
equatorially mounted telescope at James McGaha's
Grasslands observatory. This portion of the
Milky Way has many nebulae and globular and open
star clusters. How many can you find? [Image] (I see M17, M8, M20 at
least...) I don't have a URL for Grasslands,
but there is a picture of theirs posted on a NASA
web site here. 1992 page 121 I took this image using Tech Pan
film, eyepiece projection, at McDonald
Observatory's 30" Boller and Chivens telescope in West Texas
in 1987. You [Image] can see the central
star in the nebula. This is M57, the infamous Ring
Nebula. 1987 P. 3 Taken through the Steward
Observatory 's 40" telescope on Mt. Lemmon, stopped
down to 30" . Taken in July 1991. This is the core of the Great
Nebula in Orion. [Image] The trapezium can
be seen overexposed in the center. 1991 page 119 Dave Fredericksen and Scott Kardel,
who along with Len, Donna, and Judy,(not
pictured) made up the infamous Dobson Gang from the
ASSIST program. Scott works at the Lake Afton
Public Observatory in Witchita Kansas; there are some
really nice [Image] Hale-Bopp photos
there. You'll just have to ask if you want
to know. June 1991 (#1 of 2) inside front
cover This is the tracking platform gizmo
I used to take some of the pictures. It is
designed such that if you aim the hinge at
Polaris (using the leveling screws on the bottom of
the vertical legs) and turn the wingnut on the
bottom of the upper platform at the rate of one
turn per minute, (even better, 1/4 turn per
15 seconds), the screw will advance the platform
at the same [Image] rate the sky turns.
Good for 3-5 minute exposures. The lumpy thing on top
is a standard clamp-on camera mount.
(126K) Jan-April 1997 page 22




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