TAG D70


Deep Sky / Gear / Long Exposure Photography
M82, Spiral Galaxy in Ursa Major
Since my shots of M82 are coming out a lot better than my shots of M81 at the moment, I decided that M82 deserved its own space. This is a crop out […]

Moon at 16 days old (compare ED80 to Veronica)
Moon at 16 days old. This is a comparison of 2 shots of the moon, taken on the same night, with the same exposure length, one through the ED80 refractor and the […]

Astro knowledge / Deep Sky / Gear / Long Exposure Photography / Observing Reports / Optics
M42, The Great Orion Nebula
fullsize image I finally decided to try out Veronica (the 8” f/5 Newtonian) in the observatory, instead of the ED80. The reflector has two distinct advantages over the ED80; first, it’s about […]



Moon at 10 days
Moon at 10 days old. First light for new Opteka 500mm f/8 mirror lens. Focus needs work.

First Quarter Moon
First Quarter Moon (7 days old)

Deep Sky / Long Exposure Photography
M45, The Pleiades Cluster in Taurus
M45, The Pleiades, Open Cluster/Reflection Nebula in Taurus Finally got back around to some of the winter objects. Picked up some decent nebulosity.

Deep Sky / Gear / Long Exposure Photography
NGC 2237, The Rosette Nebula in Monoceros
An example of serendipity. I was trying to find this nebula, was using GOTO (on the CG-5GT), couldn’t be sure I had it, so I only shot one frame of it. Turns […]
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.