Astro knowledge / Long Exposure Photography / Optics

Astrophotography: The "best" focal length

Tagged , , Leave a Comment on Astrophotography: The "best" focal length

Astrophotography has a lot of legends and rumors floating around as regards focal length of scope. Since the focal length of the scope, size of the CCD, weight of the rig, and […]

READ MORE

Observing Reports

Not getting a lot of stars in before The Blessed Event

Tagged , Leave a Comment on Not getting a lot of stars in before The Blessed Event

I am ashamed to admit that I’ve more or less given up on astrophotography this month. The spring galaxies are getting away from me again, and I hate to think about a […]

READ MORE

Deep Sky / Gear / Long Exposure Photography / Optics

MPCC and coma correction

Tagged , Leave a Comment on MPCC and coma correction

The MPCC is up there with the ST-4 as one of my Best. Astronomy. Purchases. Ever. My 8” f/5 Newt was almost worthless for DSLR photography before I added the MPCC. Now, […]

READ MORE

Astro knowledge / Deep Sky / Long Exposure Photography / Optics

Astrophotography in the slow lane

Tagged , , Leave a Comment on Astrophotography in the slow lane

With most beginner astrophotography, a desire for fast optics (and the resulting short exposure lengths) is paramount. Unfortunately, fast optics necessarily mean wider FOV. This is not a problem when you have […]

READ MORE

Solar System Photography

Re: K3 Tools

Tagged , Leave a Comment on Re: K3 Tools

Art Morton wrote: > How are you using this with a USB camera? > Very well, thank you. I plug the camera in (all the camera drivers are installed, of course), on […]

READ MORE

Deep Sky / Gear / Long Exposure Photography

M104, The Sombrero Galaxy in Virgo

Tagged , , Leave a Comment on M104, The Sombrero Galaxy in Virgo

Finally! A Virgo galaxy. I’ve had some kind of mental block about shooting in Virgo, so I finally forced myself to shoot down here. M104 is on the edge of being too […]

READ MORE

Astro knowledge / General / Maintenance / Observing Reports

M42 is a great tester object

Tagged Leave a Comment on 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 […]

READ MORE

Deep Sky / Gear / Long Exposure Photography

M27, The Dumbbell Nebula in Vulpecula

Tagged , , Leave a Comment on M27, The Dumbbell Nebula in Vulpecula

I’m having trouble getting the G11/SCT combo to work shooting to the East, for some reason. So, I decided to “make lemonade” and shoot to the West instead. This neatly avoids the […]

READ MORE

Deep Sky / Gear / Long Exposure Photography

M57, The Ring Nebula in Lyra

Tagged , , Leave a Comment on M57, The Ring Nebula in Lyra

First attempt at the Ring Nebula. The Ring Nebula has always been a little out of my reach, photographically. At 1′ in diameter, it’s a really, really small object. The Nikon D70’s […]

READ MORE

Astro knowledge / Deep Sky / Gear / Long Exposure Photography

NGC 7293, The Helix Nebula in Aquarius

Tagged , , Leave a Comment on NGC 7293, The Helix Nebula in Aquarius

I’ve been having trouble with my setting circles lately. But once I got them dialed in, this object was pretty easy to find and photograph. For some reason, the image appears slightly […]

READ MORE

Techniques

Polar Alignment Calculations

Tagged Leave a Comment on 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 […]

READ MORE

Gear / Observatory / Telescope

Special Guest Star takes the mount at Hilltop O

Tagged , Leave a Comment on 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 […]

READ MORE

General / Maintenance / Observatory

Dome shutter is motorized again!

Tagged Leave a Comment on 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 […]

READ MORE

ATM

Trixie 2017 – tube mods

Tagged Leave a Comment on 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 […]

READ MORE