Astro knowledge / Deep Sky / Long Exposure Photography

M57, The Ring Nebula in Lyra

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

The C9.25 finally brings some pixels to this tiny object. Shooting with a DSLR brings a different perspective on “useful astronomy targets” compared with most dedicated astrocams. In the beginning, there was […]

READ MORE

Gear / General / Maintenance / Mount

RA drift

Tagged , 2 Comments on RA drift

The NJP is displaying some RA drift. It’s easy enough to guide out, but it’s definitely strange. I need to gather more data. But I think that what I’m seeing is that […]

READ MORE

General

Lost in the stars

Leave a Comment on Lost in the stars

While sitting on a flight from Tokyo to Singapore, I experienced something that I’ve not had since those early days sitting on the patio at The Camden; I looked out the plane […]

READ MORE

General / Maintenance / Observing Reports

Bahtinov Mask, Business trip, and clouds

Leave a Comment on Bahtinov Mask, Business trip, and clouds

I have a trip coming up tomorrow, so I was thinking about resting up before it. But then I got a crazy idea, and decided to follow through on it. I want […]

READ MORE

General / Observing Reports

Ennui

Tagged Leave a Comment on Ennui

New moon is either tonight or last night. I’m never entirely sure. But essentially, it’s, like, moonless out there. I think it’s been clear the last 2 or 3 nights. I haven’t […]

READ MORE

General / Observing Reports

Last(?) rainstorm of the season

Tagged Leave a Comment on Last(?) rainstorm of the season

After a cloudless week, the longest stretch since autumn, I left town for a couple of days, only to come back to clouds on Sunday. There were clouds and a bunch of […]

READ MORE

Astro knowledge / General / Observing Reports

Pointing East vs West

Leave a Comment on Pointing East vs West

For some reason, I have always had trouble trying to shoot objects to the West (with the mount tracking things as they are setting). I have tailored my whole astrophotography psyche to […]

READ MORE

General / Observing Reports

Lament of the sleep-deprived

Leave a Comment on Lament of the sleep-deprived

Believe me, there are worse things in the astronomy hobby than being so tired that you just can’t face another clear night. Normally, when the moon is bright in the night sky, […]

READ MORE

General / Maintenance

minor maintenance

Leave a Comment on minor maintenance

I rebalanced the scope so that it’s balanced rather than purposely off-balance. I also added a 12v fan to the scope to hopefully help control dew. We’ll see if it does anything. […]

READ MORE

Astro knowledge / Deep Sky / General / Long Exposure Photography / Technology

M87, Elliptical Galaxy in Virgo

Tagged , , Leave a Comment on M87, Elliptical Galaxy in Virgo

I have avoided the Virgo Galaxies for years. The reasons are many, but chief among them is that a lot of the Virgo galaxies are elliptical, which essentially means that they look […]

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