Category: Gear
Astro knowledge / Deep Sky / Gear / Long Exposure Photography / Optics
M27, The Dumbbell Nebula in Vulpecula
It was this image that convinced me that I needed to do the filterectomy on the Nikon D70. According to S&T, The Dumbbell, The Coathanger, and Albireo form an equilateral triangle.
Deep Sky / Gear / Long Exposure Photography
M13, Globular Cluster in Hercules
M13, Globular Cluster in Hercules (the autoguider at Ad Astra Observatory is operational!)
Deep Sky / Gear / Long Exposure Photography
M13, Globular Cluster in Hercules
M13, Globular Cluster in Hercules (the first shot from Ad Astra Observatory)
D70 astro
http://www.weasner.com/etx/astrophotography/nikon_d70_dslr/d70_astrophotography.html
Re: Orion 8" f/5 + CR-1 +/- spacers
Hi Jimbo, Thanks for the info– that will help the next guy looking to do the same thing. Take Care Ron —– Original Message —– From: “Jimbo S. Harris” <jimbo@jimbo.net> To: “RONALD […]
astro items
AstroZap heated dew shield $65 Robofocus computerized focuser $400 + $100 for additional motors (PB camera) Moonlite focus knob lock $40 (need to send focuser to Moonlite) and shorter spacers ~$5
Gear / Long Exposure Photography
The Great Rift – Milky Way from Cygnus to Aquila
A widefield shot of the Milky Way galaxy in the vicinity of Cygnus the Swan and Aquila the Eagle. Note the “Great Rift”, an dust cloud that blots out most of the […]
Deep Sky / Gear / Long Exposure Photography
M20, The Trifid Nebula in Sagittarius
Shot while up in Shingletown, CA during July 2005 and finally(!) processed and uploaded in August 2006…
Deep Sky / Gear / Long Exposure Photography
M8, The Lagoon Nebula in Sagittarius
Shot while up in Shingletown, CA during July 2005 and finally(!) processed and uploaded in August 2006…
Deep Sky / Gear / Long Exposure Photography
M16, The Eagle Nebula in Serpens
Shot while up in Shingletown, CA during July 2005 and finally(!) processed and uploaded in August 2006…
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.