sandrock@uxc.cso.uiuc.edu (Mark Sandrock) (09/19/90)
Archive-name: hubble/18-Sep-90
Original-posting-by: sandrock@uxc.cso.uiuc.edu (Mark Sandrock)
Original-subject: Hubble photos (et al) available for ftp
Archive-site: c.scs.uiuc.edu [128.174.90.3]
Reposted-by: emv@math.lsa.umich.edu (Edward Vielmetti)
<<<<< This is posted using a guest login on a guest machine, as our
main News machine is kaput. Replies to mcdonald@aries.scs.uiuc.edu -
though when it will be fixed is anybody's guess. Urgent stuff can go to
mcdonald@c.scs.uiuc.edu >>>>>>>>>
Announcing Hubble Space Telescope
PR Pictures Available for FTP
I have obtained photos of three objects made with the Faint Object Camera
of the Hubble Space Telescope from the press department of NASA. They
include SN1987a, a gravitational lens, and a thing called R136.
These have been digitized on a color scanner (the data is monochrome,
but the press release photos are colored black-and-white-and-blue,
so that's they way I have done them.) Then they were converted to both
TIFF files and GIF files and are on the anonymous ftp directory of
c.scs.uiuc.edu (128.174.90.3). NOTE: these are not "pretty" pictures -
apparently they are faint enough that the photon noise is showing up.
The files (both .tiff and .gif) are:
sn1987a
r136
grlens
In addition, I have posted there five pictures in full color made
with my own very humble commercial Meade 8 inch SCT, with the help
(i.e. setting up and guiding) of Scott Reid. These are
Orion (the Orion Nebula, M42 and M43)
Dumbell (the Dumbell Nebula, M27)
Horsehead (the Horsehead Nebula)
M33 (galaxy in Triangulum)
Northamerica (actually only the Central America part of NGC7000)
and they do indeed count as "pretty" photos, though of modest information
content. I have done as best I can do by scientific colorimetric
methods to get the colors as they would be seen to the eye if the
objects were bright enough.
Hopefully these are in formats that people can easily use. I have
successfully displayed them on both PCs and Macs. Note that those
folks with 256^3 color displays are not missing information by
viewing these in only 255 colors, except a little bit in the Orion and
M33 ones. This is because they are noisy pictures.
Get the file astropic.doc from c.scs.uiuc.edu to see more info.
None of these pictures is copyright, though NASA and I both ask that
you not use them in advertisements.
Please try to limit the amount of stuff you ftp at one time, especially
in the daytime.
Doug McDonald (mcdonald@aries.scs.uiuc.edu)
--
Internet: sandrock@aries.scs.uiuc.edu Univ. of Illinois at Urbana-Champaign
Bitnet: sandrock@uiucscs School of Chemical Sciences Comp. Ctr.
Voice: 217-244-0561 505 S. Mattews Ave., Urbana, IL 61801