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Steve Edberg to Speak on "Mars: The Biggest Year" At Mt. Wilson LectureJuly 26 by Mike Simmons
Steve Edberg to Speak on "Mars: The Biggest Year" At Mt. Wilson Lecture July 26 Join us at the Mount Wilson Museum Auditorium on Saturday, July 26, for a talk...
July 23rd 03 01:43 PM
by Vernon Go to last post
2 923
2 inch EP / Filter - what thread size? by Jim Barclay
Greg.. dia, of filter is 49mm and TPI is 0.75mm. Jim Greg Campbell wrote: Just unwrapped my first 2" filter and was surprised to see that my budget 50mm...
July 23rd 03 06:18 PM
by Eric Albrecht Go to last post
2 976
What will be the astro amateur trends in 2004? by Joachim Engel
Hi, what will be the astro amateur trends in 2004? Any suggestions will be appreciated! Kind regards, Joachim Engel.
(Multi-page thread 1 2 3 ... Last Page)
July 23rd 03 10:08 PM
by Mark Ensley Go to last post
36 2,232
Meade Wedges? by Davoud
I have a 12-year-old Meade equatorial wedge for an 8" 'scope. Has the Meade wedge been redesigned since mind was made, i.e., will this wedge work with the...
July 23rd 03 10:32 PM
by Davoud Go to last post
0 821
ANYONE KNOW OF A CLOSEOUT SALE ON A GOOD 8"OR 10" DOB? by Indianaradio
I'M LOOKING FOR A 8 OR 10 INCH DOB OF GOOD QUALITY. I KNOW A FEW WEEKS AGO SOMEONE WAS SELLING AN 8" DOB ON A CLOSE OUT SALE BUT I CAN'T REMEMBER WHO IT WAS....
July 24th 03 12:14 AM
by Phil Wheeler Go to last post
6 561
Interesting Observation about Google by bwhiting
I've found recently that the search engine Google is very astronomy friendly....want a picture of the whirlpool? Just type in 'M 51' and up comes all the...
July 24th 03 02:46 AM
by [email protected] Go to last post
3 1,099
Lens Cap for Pentax 40 by Eddie Jones
I recently took delivery of a Pentax 40 XL. I hadn't previously realized that the eyecone for the 40 doesn't adjust like the others, with the full eye relief...
July 24th 03 04:28 AM
by Nicholas Go to last post
1 856
What about Mars magnification? by Mick
Am I missing something? Is my arithmetic off? Presently Mars is some 20 arc seconds wide. This implies that at 100 X's magnification, it should be 2000 arc...
July 24th 03 04:30 AM
by Mick Go to last post
9 847
The mysterious Blue Sensitive Eye Cones by optidud
There are far so many references to chromatic aberrations from achromats and very few if none on prism diagonal (which has a unique dispersing aberrations on...
(Multi-page thread 1 2 3 ... Last Page)
July 24th 03 05:55 AM
by Chris L Peterson Go to last post
30 2,827
Mistaken Objective? by Alan W. Craft
One early morning while it was still dark, several years ago as I observed under the heavily light-polluted skies of Midtown Memphis, I spotted Venus just...
July 24th 03 06:15 AM
by Alan W. Craft Go to last post
8 759
Any good resources on astronomy/astrology? by Sam Wormley
Timberwolf wrote: Hi everyone I'm a newbie to the world of astronomy/astrology. Can anyone recommend some good books or websites about the...
July 24th 03 06:44 AM
by Sam Wormley Go to last post
1 1,045
Any good resources on astronomy/astrology? by Sam Wormley
Timberwolf wrote: Hi everyone I'm a newbie to the world of astronomy/astrology. Can anyone recommend some good books or websites about the...
July 24th 03 06:47 AM
by Sam Wormley Go to last post
0 1,149
All Min Missions Were Mooned by Nana Hoolie
Min is a super model Jan Owen wrote:
July 24th 03 10:13 AM
by Malcolm Go to last post
1 524
solar cover that "breaths". by RWhitfi647
Is there a weather proof telescope cover that is "beathable" so condensation can escape. I have a solar cover but it doesn't breath. A friend said he bought a...
July 24th 03 03:36 PM
by Bill Nunnelee Go to last post
2 598
Light Bucket by Jaden
I am in the middle of building a large lidar and I am wondering about cassegranian telescope alignment. The telescope that I am working on consists of four...
July 24th 03 03:55 PM
by Howard Lester Go to last post
2 666
Who invented sidereal time? by Howard Lester
Why, it was none other than Sy Derialowitz, famous clockmaker and fish monger, in 387 B.C. "Vutt time issit? Vutt time issit??? Thet's all I eveh hear from...
July 24th 03 06:10 PM
by Howard Lester Go to last post
0 1,215
Any good resources on astronomy/astrology? by Brian Tung
Gary Hendricks wrote (for the N+1th time): I'm a newbie to the world of astronomy/astrology. Has anyone found out why this bozo persists in posting this...
July 24th 03 07:13 PM
by lal_truckee Go to last post
4 540
My deepest apologies by SPQR
To all astronomers in NE TN, NW NC, and SW VA: I apologize for purchasing a new Nagler Type 6 5mm. It arrived yesterday and that's why we are now...
July 24th 03 07:31 PM
by #MK Go to last post
2 954
Great APOD (Mars occultation) by Davoud
gibbonsc: Check out the APOD for a great image of the Mars occultation! http://antwrp.gsfc.nasa.gov/apod/astropix.html Yep, great image. But, what's...
July 24th 03 08:05 PM
by gibbonsc Go to last post
2 1,056
New Widescans by Rich McMahon
I have both the 13 and 20 and like them very much.. Havent had a chance to compare them against Uncle Al''s stuff yet. But for the price there great. Rich On...
July 24th 03 11:54 PM
by Shneor Sherman Go to last post
5 709
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