Hmm... It'll be interesting to see if SBIG defends their patent. I read through the Star2000 stuff and it appears that they are indeed using the CCD output to...
152
Ron Baalke
baalke@...
May 1, 2000 10:37 pm
NEAR image of the day for 2000 May 1 http://near.jhuapl.edu/iod/20000501/index.html Down, Down, Down As the NEAR Shoemaker spacecraft continues its descent ...
153
Brian Warner
brianw_mpo@...
May 2, 2000 1:25 am
I have instructions for averaging raw flats in CCDOPS (SBIG) but am not sure which function and/or settings to use if working with CCDSoft (Software Bisque)....
154
David S. Dixon
ddixon@...
May 2, 2000 2:07 am
I got a first night on an object the 29th but have bad weather since then, tonight I am clouded out again and leaving on a business trip in the morning. If...
155
Gina Fedon
antares@...
May 2, 2000 3:58 am
The weather is not too good here in Kansas either, but we'll try tomorrow if it gets better. Have a good trip! Gina ... From: David S. Dixon...
156
matt dawson
mgedawson@...
May 2, 2000 6:23 am
Thanks for the info, I sounds like just what I want. ... ________________________________________________________________________ Get Your Private, Free E-mail...
157
David S. Dixon
ddixon@...
May 2, 2000 11:33 am
Thanks we are both suffering from the same cell that is stalled about midway between us. Good Luck David...
158
Ron Baalke
baalke@...
May 2, 2000 4:18 pm
http://www.space.com/scienceastronomy/astronomy/classified_impacts_000502.html Experts Demand Better Asteroid Alert By Leonard David 02 May 2000 WASHINGTON --...
159
Bill Holliday
holliday@...
May 3, 2000 3:47 am
This posting showed up on the SBIG list today and should be of a little interest....
160
Ron Baalke
baalke@...
May 3, 2000 4:07 pm
http://spaceflightnow.com/news/n0005/03dinosaurs/ Were the dinosaurs fried by ultraviolet light? BY NEIL ENGLISH ASTRONOMY NOW May 3, 2000 Over the past few...
161
David DeGraff
degraff@...
May 3, 2000 7:26 pm
Does anybody out there have any strong feelings about either MaxIm DL or AStroArt. We are trying to decide which to go for since the native fli control is so...
162
Ron Baalke
baalke@...
May 3, 2000 7:53 pm
NEAR image of the day for 2000 May 3 http://near.jhuapl.edu/iod/20000503/index.html The View from Low Orbit This image of Eros, taken from the NEAR...
163
Patrick Wiggins
p.wiggins@...
May 3, 2000 10:13 pm
http://www.usatoday.com/usatonline/20000502/2217490s.htm Patrick :-)...
164
bill
cyber_bill@...
May 3, 2000 11:56 pm
Santa Barbara Instrument is selling a CCD that could "read" spectrographs. Is it useful in observing asteroid and does anyone know how bright an asteroid has...
165
Robert D. Stephens
rstephens@...
May 4, 2000 12:01 am
According to Alan Holmes of SBIG, who gave a talk on it at last year's IAPPP Meeting in Big Bear, with a 1 hour exposure, using the low resolution mode, you...
166
Brian Warner
brianw_mpo@...
May 4, 2000 12:38 am
... According to Alan Holmes of SBIG, who gave a talk on it at last year's IAPPP Meeting in Big Bear, with a 1 hour exposure, using the low resolution mode,...
167
Robert Stephens
rstephens@...
May 4, 2000 1:12 am
I forgot to say that was, as I recall, with a 10" SCT from Southern California. Your results may vary. Bob Stephens ... From: Brian Warner...
168
Stephen Brady
sebrady@...
May 4, 2000 2:18 am
Since there has been a bit of discussion lately about offset tracking, I thought I would toss this out (plus John Rogers encouraged me to). I have written a...
169
Bill Dillon
bdillon@...
May 4, 2000 4:33 am
We've been developing our own code to do motion-compensated image stacks of fast, faint objects, motivated by our "dumb" mechanical clock drive and not finding...
170
David Tholen
tholen@...
May 4, 2000 5:11 am
If you have a GPS, and if you redetermine your observatory's coordinates, now that Selective Availability has been turned off, and if you don't mind providing...
171
Roy Anthony Tucker
gpobs@...
May 4, 2000 6:07 am
Ladies and Gentlemen of the forum, I am trying to assemble some color filters and need the following 2" square filter glasses in the indicated thicknesses. RG9...
172
Larry
lrobinsn@...
May 4, 2000 7:22 am
... David: I took four 6 min images and did not find your object in the predicted position, but it was a crap night so it may have been too faint for me. ...
173
matt dawson
mgedawson@...
May 4, 2000 9:05 am
Wow! I generally feel pretty pleased with myself getting decent images of a 19th magnitude object at all, let alone one moving at 6"/min! ... ...
174
David Tholen
tholen@...
May 4, 2000 10:07 am
Do you have tracings for those glasses? Anytime one works with glass filters, you need to think about red leak. --Sahib...
175
Alan W. Harris
awharris@...
May 4, 2000 4:30 pm
... An hour to get a low resolution spectrum to mag. 13 sounds about right for a telescope in the 0.3-0.5m size range. It takes us about that long to get to...
176
Brian D. Warner
brianw_mpo@...
May 4, 2000 5:04 pm
Alan, I don't have access to David Tholen's paper where he devised what seems to be the standard system these days. I thought he relied heavily on UBV and not...
177
Alan W. Harris
awharris@...
May 4, 2000 5:22 pm
... Tholen used an 8-color system with filters chosen to provide more detail than simple UBV. It is true that his taxonomic system is essentially ...
178
aah@...
May 4, 2000 5:42 pm
I've seen some results with the spectrographs, and am reasonably impressed. There has been a need for an inexpensive spectrograph for small telescopes, and I...
179
Brian D. Warner
brianw_mpo@...
May 4, 2000 5:51 pm
I agree, the results with the SBIG unit are impressive. I was just surprised by the amount of time required to get enough signal. Given the steeper learning...
180
aah@...
May 4, 2000 6:02 pm
... That is probably the biggest drawback when considering taxonomy of asteroids. Spectroscopy is just like filter photometry with hundreds of filters. You ...
