Category: General
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http://www.nmsouthernskies.com/index.html J
Spring weather
Although the moon is in the proper position for me to be doing astronomy for the next 2 weeks, the past couple of nights have been hazy, so I haven’t been able […]
Re: Need I say more?
Art Morton wrote: > > Yea, that is snow. 2” are expected in the Seattle area. > It’s the full moon anyway. Maybe it’ll clear up before Wednesday (when astrophotography season starts […]
Spring Astronomy
The moon’s headed towards full again, so I haven’t been out in the observatory much. Last month, clouds and new equipment headaches kept me less-than-productive. I think that I’ve worked out most […]
Astro knowledge / General / Maintenance / Observing Reports
M42 is a great tester object
M42 is a great “tester” object. It’s big, bright, has an easy to find star pattern surrounding it, and can even be seen in the viewfinder of the camera. So I end […]
Astro knowledge / Deep Sky / Gear / Long Exposure Photography / Maintenance
A tale of two images
This is a tale of two images. These were taken on successive nights. Same setup, same exposure time, everything. The first night was unguided. … and the second night was autoguided with […]
Re: my first MaxDSLR photo run
On Feb 27, 2008, at 8:53 AM, Jimbo S. Harris wrote: > At 08:24 AM 2/27/2008 -0800, you wrote: >>> It seems to be able to do FIT, TIF, or RAW. If […]
Re: I shall turn the moon turn red as blood
<you don�t scare me, <i will be watching the <mexican moon which has nothing to do to <usa moon. <hope you get some great shots. <hola, Cliff Hi all, > > You […]
Re: moon
Apparently Columbus also pulled this one on the Arawaks in Jamaica. Could be where Mark Twain got the idea. <http://starryskies.com/The_sky/events/lunar-2003/columbus.eclipse.html> — “Jimbo S. Harris” <jimbo@jimbo.net> wrote: > Hi all, > > You […]
RE: astrophotography
Hi Jimbo, Ahh, I am sorry, of course that doubleing the f/number is two stops difference! It must be this flue that is consuming my brain cells… 😉 Under one of your […]
RECENT UPDATE
Polar Alignment Calculations
Here’s a page that derives Polar Alignment Calculations. (update 5/2020: the original site is gone, so I found the text on Wayback and am inserting it below. This is by the original […]
Gear / Observatory / Telescope
Special Guest Star takes the mount at Hilltop O
The Astro Jedi needed somewhere to store his light sab—- I mean, bucket, and I was only too happy to accommodate him. I have decided that I need to come to a […]
General / Maintenance / Observatory
Dome shutter is motorized again!
I finally decided to bite the bullet and fix the shutter motor. Things went sideways last winter, and I’ve been opening the shutter manually (and tying it shut with rope, so we […]
Trixie 2017 – tube mods
I finally got around to cutting the MTA-UTA tubes to length; the only eyepiece that would come to focus with the focuser spacer in place is the Televue 55mm Plossl. If I […]
MOST COMMENTED
Observatory
Observatory 2.0 – Time has come today!
General / Maintenance
First Light, a deeper look
Mount / Observatory / Telescope
Observatory 2.0 – Result!
Observatory
Observatory 2.0 – The Pier goes in
Gear / General / Maintenance
Martin Farmer Wormblock installation notes
Deep Sky / Long Exposure Photography
NGC2244, The Rosette Nebula
Deep Sky / Long Exposure Photography
Another beautiful night.