Cap'n Bob & the Damsel

Astronomy

Eclipse Day

What we anticipated to be a dismal forecast for the weather on Eclipse Day, turned out to be not so bad, especially during the totality phase. Clouds passed between us and the sun often, but then opened up for partial phase glimpses and during totality, most of the four minutes of darkness, we were able to see the corona and in the image below, a couple of prominences at two-thirty and five-thirty on the disc. The 5:30 prominence was huge.

I wasn’t very well-prepared to take photos given the woeful forecast, which affected my motivation, but I was able to attach the big 100-400mm telephoto lens and shoot bunches of photos hand-held (no tripod) and had a few fair results including the one above. Damsel had similar results and captured the “Diamond Ring” at the end of the totality show:

As I’m blogging this, we are getting some moderate to heavy thundershowers with lightning and thunder, but, Praise the Lord, no tornadoes. The precipitation knocked out the satellite TV a few times, but it is up and running now.

We’re here until Wednesday and then off to other parts of Texas south of us towards the Gulf of Mexico and thence via westerly routes heading back to Arizona over the next several days.

08 Apr 2024 by Astronomy Environment Notions Science Wanderlust

2024 Total Solar Eclipse

The (clickable) panel below shows the details of the eclipse as expected here in our RV campground located near Waco, TX. I cropped the image from a screenshot taken from the Time and Date website.

The right side of the panel shows our approximate location in the RV park (green area), The left side of the panel shows times for events associated with this eclipse. It also shows the expected weather of overcast with scattered thundershowers. That’s sub-optimal for eclipse viewing, of course, but we’re optimistic that we will see some of the spectacle, regardless.

At a minimum, the daylight will diminish to darkness if overcast, and I may be able to take a video the lunar shadow as it approaches our site at 1500 miles per hour. Likewise, four minutes later, I may be able to take a video of the shadow’s departure.

We just learned that there is a tornado watch for this area after the eclipse. We probably could use some prayerful help with that. Stay tuned.

07 Apr 2024 by Astronomy Environment Notions Science Technobabble

Winter Solstice 2023

Image – an unusual snow day in Wickenburg (2014-12-31)

Solstice Notes

The first day of winter in the Northern Hemisphere is marked by the winter solstice, which occurs on Thursday, December 21, 2023, at 8:27 P.M. Arizona time or 0127Z if you’re into Greenwich mean time. Today is the shortest day of the year with only 9 hours and 53 minutes of sunshine at our latitude here in Wickenburg.

We’re not expecting any snow of the magnitude depicted above this season. The snowfall in Wickenburg on New Year’s Eve 2014 was the most snow we have ever seen in town since we moved here in early 2011 when our house was finally completed. As a matter of fact, we can count our snow days on one hand over our nearly 13 years of living here.

Music Notes

The 61-key digital keyboard shown below is the replacement for an older version of the same thing that I’ve had since March of 2010 (and there were many before that). This one has much more capability and I have been enjoying exploring the different voices, songs and styles included in the unit.

I have been playing keyboards (without much formal training) since age 5 or so. I have messed with MIDI quite a lot although that isn’t my peak interest now. I’d much rather play favorites and try to compose some things now and then.

The new keyboard is a Yamaha PSR E373 which is still considered an entry level unit, but it has a lot more features than I probably can figure out how to use. I have an app for the Smart Phone which allows me to record sound and video from the unit. Maybe I will post some of it on social media and link it here one of these days.

Here is the new unit in my studio (a.k.a. Master Bedroom):

This is Yamaha’s Blurb about this keyboard:

The PSR-E373 features a newly developed tone generator that delivers stunning improvements in sound quality as well as high-quality effects. You can enjoy a comprehensive library of 622 instrument Voices perfect for playing in any genre you choose, as well as unique Super Articulation Lite Voices that reproduce the subtle nuances of stringed instruments such as the cello and mandolin that are typically difficult to emulate on a keyboard instrument, delivering realistic and authentic performances.

The old keyboard will be retired to the Motorhome for practice when we’re on the road.

21 Dec 2023 by Astronomy Environment Music Notions Retirement

Annular Solar Eclipse Day

Above, first order of camping business is to show the RV parked at the American RV Park taken after the day’s festivities. This is the third time we’ve camped at this particular park – once in 2017 and again in 2019.

Now, in 2023, we’re back again to witness one of God’s spectacles, to wit, the great annular solar eclipse of 2023. Without going into a lot of detail, this is an image of the annularity taken by Damsel this morning at 10:37 local time.

Click on either image to enlarge.

Tomorrow, we will be headed to the Texas Panhandle.

14 Oct 2023 by Astronomy Retirement Technobabble Wanderlust

Solar Astrophotography

In anticipation of the Annular Solar Eclipse on October 14, 2023, I got out the Canon SL1 camera and associated accessories to photograph the solar disk. I used the Canon EF 100-400mm lens along with a Thousand Oaks Optical threaded SolarLite® filter to get the (clickable) image above. I had to experiment with the camera settings to get the image and further had to adjust it using a photo processing app.

The setup resolved the solar disk and a couple or three sunspots currently visible; the two larger sunspots visible are 3297 and below that 3294. Those numbers are according to SpaceWeather.com.

As I mentioned above, I had to experiment with the camera settings a bit. Using the camera’s Programmed (P) setting, the images were overexposed. I switched to the shutter speed priority setting and tried several exposure times from 1/1000 second, 1/2000 second, and 1/4000 second. The latter, which is the fastest shutter speed on the camera, captured enough of the details needed to produce the image seen above and will certainly be good enough for the annular eclipse. For the total eclipse in April of 2024, it will be necessary to remove the attenuating filter during totality in order to capture the details of the solar limb and the spectacular appearance of the solar corona.

06 May 2023 by Astronomy Notions Photography Retirement Something Shiny Technobabble

Vernal Equinox 2023

OK — the first day of Spring and the Equinox are here. The nights of darkness and days of sunlight are of equal lengths, according to the official astronomical ephemeris. However, at our particular latitude and longitude here in Arizona, the day length grew to just over twelve hours last Wednesday per the actual observed sunrise to sunset times. So, we can look forward to longer days peaking at the Summer Solstice and then on to the Fall Equinox when they fall back to be less than 12 hours again.

As of a couple of weeks ago, the Turkey Buzzards have begun to migrate back to Arizona and other northern places, I assume. These vultures bring the promise of warmer conditions for us, although there is still some cooler weather and precipitation still headed our way.

Even though it will be a month or more before the Pride of Barbados or Red Bird of Paradise shrubs to return from their winter slumber (we cut them back to nearly ground level in the fall). We expect that the hummers will begin to take advantage of the nectar when the gorgeous flowers return to our courtyard.

Enjoy the warmer weather and longer daylight. We know we will be enjoying the spring weather, birds and flowers.

Images courtesy of Damsel.

20 Mar 2023 by Astronomy Environment Notions

Solar Ephemeris Back On-Line

Solar Ephemeris from the Wandering Minstrel Sidebar — March 24, 2018

Remember the Solar Ephemeris sidebar widget from the old Wandering Minstrel blog theme? The widget gave daily information about the sun cycle: you know, daybreak, sunrise, sunset and so forth. Well, I have it back on-line in the form of a sidebar link to a dedicated page that has the old widget code embedded in it.

I had some problems with making it work with the newer versions of the PHP server-side software that the ISP uses. There were some minor, but show-stopping changes to the software that killed the Ephemeris code that ran on the old Minstrel site. I spent a couple of hours debugging the code yesterday and now have the prototype running again in the “Solar Ephemeris” page. Click on the link or select the page from the sidebar. Disclaimer: it’s still a work in progress and is subject to formatting changes.

One of these days, I might start on an interactive widget where users can put in their own geographical coordinates to see the sun’s daily times for their location.

06 Jan 2023 by Astronomy Environment Notions Technobabble

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