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Hand held illuminator by
Doink
Does anyone know where I can get a hand held illuminator for a polar
alignment scope? I have the Orion polar scope but un-illuminated it's VERY
difficult to...
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3 |
549 |
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quiet sun [Mon July 18] by
nytecam
10 days ago 6 sunpot groups on disk - today sun pretty quiet with no spots and just two weak filaments but two nice proms on east and west limbs posted at...
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0 |
653 |
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Star Analyser announced: by
jerry warner
Robin Leadbeater has announced a cheaper alternative to the Badura Star
Spectroscope and Baader's Blaze-Gitter Spektroskop, coming soon in fact
testing is...
( 1 2)
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10 |
821 |
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ALERT: Geomagnetic K-index of 6 by
Sam Wormley
Space Weather Message Code: ALTK06
Serial Number: 224
Issue Time: 2005 Jul 18 0433 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2005 Jul 18 0425...
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0 |
443 |
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RegiStaq ? by
Terry A Haimann
In RegiStax 3.0.1, how do you manually stack?
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0 |
317 |
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monochromatic refractor by
[email protected]
This is an idea I've had for years - since I was young and wanted
a big refractor (150-200 mm) but could not afford on.
Most of the work (and expense) goes...
( 1 2)
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19 |
738 |
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Yosemite Glacier Point star party by
Morris Jones
Jane and I spent this past weekend at Glacier Point in Yosemite National
Park with the San Francisco Amateur Astronomers. Great company, great
weather, and...
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4 |
418 |
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doublet question by
Mike
I have an 80 mm doublet that was cemented but was designed as an airspace.
I can't explain why that happened but it did. How can I restore it back to
being an...
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July 18th 05 02:10 AM
by Mike
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7 |
708 |
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10 |
798 |
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Kids in Space by
Tom
http://www.msnbc.msn.com/id/8555055/
This article drives home the idea that these kids are woefully misguided.
Space is still treated as some kind of "closet"...
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8 |
741 |
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two current novae revisited by
nytecam
More images/spectra of Nova Aql 2005 at
http://home.freeuk.com/m.gavin/naql05.htm
Nova Sgr 2005#2 at...
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0 |
439 |
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Deep impact brightness by
Tom
http://deepimpact.jpl.nasa.gov/gallery/streakoflight.html
This image from Kitt Peak indicates a 2 or 3 X's brightness increase which
means a 1.5 Magnitude...
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4 |
423 |
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18 |
616 |
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Unbelievable by
Tom
http://www.spaceweather.com/swpod2005/14jul05/favre1.jpg
This was taken with a 'lowly" SW 80/400 achromat. It rivals some of the
best AP and TV shots I have...
( 1 2)
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11 |
1,037 |
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Moon occults bright star Anteres tonight. by
szaki
http://skyandtelescope.com/observing/highlights/article_1546_1.asp
on the night of July 17–18, 2005, if you live in much of the southern
or western United...
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July 17th 05 03:23 PM
by szaki
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0 |
649 |
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planet killed! saga of an atm'r (long) by
starburst
So a couple of years ago in this forum, Larry Gilstrap (may peace be
upon his name) offered a partially completed mirror kit for anybody who
was local to him...
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9 |
597 |
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Calibrating tracking during the day.... by
Doink
Hi
Is it possible to calibrate tracking drives during the day by picking out
and centering an object and then timing the time it takes to travel the FOV?
It...
( 1 2)
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10 |
519 |
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7 |
703 |
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Rosamond Report by
Starlord
Night of the 16th
I set up on the corner by 7pm as the moon
was well up. It wasn't long when a guy
came over to have a look see, he had been
out at the Race...
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0 |
362 |
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solar prom erupts - pic sequence over 5min by
nytecam
Prominences associated with v active spot group that has just passed over the west limb erupted early this morning - sequence over just 5 minutes and it was...
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0 |
527 |