Objects in the Night Sky–March 2025

April 5, 2025

We have had several opportunities in March for good-to-excellent night sky viewing and astrophotography sessions. High on my list was capturing NGC 1499 (“California Nebula”). It resides in the western sky during March and is located near Pleiades but is actually in the constellation Perseus.

The nearly vertical zodiacal light shares the western sky with the winter Milky Way and are faintly reflected in the waters of Upper Lake Mary near Flagstaff, Arizona.

One drawback to observing it in the spring is that there can be interference from zodiacal light. From Wikipedia,

The zodiacal light is a faint glow of diffuse sunlight scattered by interplanetary dust. It appears in a particularly dark night sky to extend from the Sun’s direction in a roughly triangular shape along the zodiac…

…Since zodiacal light is very faint, it is often outshone and rendered invisible by moonlight or light pollution.

I made several attempts at NGC 1499. The first attempt was about as expected as I didn’t actually know where to point the camera so I used a short telephoto focal length (80mm) with a wide field of view (25.3° x 17.0°). Luckily, I pointed it correctly but unluckily I bumped the focus ring and everything had a soft focus. Okay, not a success but not too bad for a first attempt.

First attempt at NGC 1499 (19 March 2025).

Third attempt at NGC 1499 (24 March 2025).

On my second attempt I used a longer focal length (180mm) which meant a smaller field of view (11.4° x 13.7°). I had very good focus and other camera settings but managed to actually point it at the wrong object. Instead, I photographed NGC 1579 (“Northern Trifid Nebula”). Oops! But the result was still a success–even if not the object I was seeking.

The third try worked out well. I reverted back to a shorter focal length (85mm) and wider field of view (23.9° x 16.0°) because that might give me a pleasing image with the nebula and neighboring stars. This worked out well except for the previously mentioned zodiacal light. The light was present in the field of view so it was necessary to crop the image to remove the bright band.

I actually prefer the first image as it has better color and less lens flare than the second image.

Finally, I shot images of the zodiacal light using an ultra-wide fisheye lens to capture both the foreground of Upper Lake Mary and the stars and planets up through the zenith. NGC 1499 and NGC 1579 are located to the right of Pleiades but are too small to be visible in this wide view.

The nearly vertical zodiacal light shares the western sky with the winter Milky Way. Annotated to show Pleiades, Jupiter, and Mars. NGC 1499 and NGC 1579 are located to the right of Pleiades.

I have recently started using Siril for my astrophotography processing and have been generally pleased with the results.

Comet C/2023 A3 (Tsuchinshan-ATLAS)–Evening Observations

November 3, 2024 / 2 Comments

A previous post showed many images of Comet C/2023 A3 (Tsuchinshan-ATLAS) taken when the comet was visible in the morning sky. The comet then moved between the Earth and Sun making it difficult to see. A period of 10 days passed between my last morning images and my first evening images.

At first, the comet was difficult to see in the bright evening twilight and the presence of the Moon made it even more difficult. But each day the Moon rose later in the evening and the comet rose higher in the western sky. I was able to take advantage of clear skies and shot photographs on eight days. Here are some of the best photographs from those sessions.

13 October 2024

I had already shot images of the comet while looking to the east across Ashurst Lake when it was a morning object. Now it was time to shoot looking to the west across the Lake. The comet was very bright and easy to see. I also shot a long sequence of images to create a time-lapse video of the comet setting in the west.

Time-lapse video of the comet setting behind Ashurst Lake near Flagstaff, Arizona.

14 October 2024

The next evening I set up at the Arizona Snowbowl parking area–along with dozens of other comet watchers. It was fun to listen to folks admiring the comet and the joy from the kids when they were first able to spot it in the darkening sky. The anti tail was even easier to see on this night compared to the previous evening.

16 October 2024

The Moon was still a factor in the evenings but the comet was getting higher in the sky so it balanced out. On this evening I went to The Narrows at Upper Lake Mary since that section of the lake is oriented WSW-ENE. This meant I could photograph the comet above the water and get a reflection of it in the water. That worked out pretty well.

20 October 2024

A few days of clouds shut me down but by this day it was very clear and the Moon was no longer a problem. I opted to use a longer telephoto (180mm) for these shots even though it might truncate part of the tail. The anti tail is still visible but is much less striking than in earlier days.

21 October 2024

The comet was continuing to rise higher in the western sky and was closer to the Milky Way so I switched back to ultra-wide angle lenses to capture both. Bonus: I was able to again capture the comet and tail reflected in the waters of Lake Mary. For the very wide image shown here I did a composite. The first image had star tracking turned on to get sharp stars and comet; the second image had tracking off to get sharp foreground. These were then combined and blended in software.

Comet and Milky Way reflected in the still waters of Lake Mary.

23 October 2024

The comet continued to climb higher, become dimmer, and have a shorter tail as it moved away from Earth and Sun. I switched to a short telephoto (85mm) to shoot a sequence of images which were then stacked to reduce image noise. I was also able to use the sequence to create a short time-lapse video to show the movement of the comet over a period of about 45 minutes.

Time-lapse showing the motion of the comet against the background of stars. 23 October 2024.

25 October 2024

As the comet climbed higher it also was closer to the Milky Way and I again tried to get a shot with both features. This was taken with at 35mm focal length.

31 October 2024

As the comet retreats it is getting smaller in the sky and it is better to use medium length telephoto lenses. Here is an image taken with the Nikkor 180mm ED AI-S lens, a legacy, manual focus lens.

What’s next?

We are once again in a period of clouds. When skies are once again clear the comet will be much farther away, smaller, and dimmer. At this point, it will require longer exposures and bigger telephoto lenses. It should be fun!

Milky Way and a Fisheye Lens

June 11, 2024

I have taken countless photographs of the Milky Way using anything from ultrawide to telephoto lenses. But I have never taken a photograph of the Milky Way with a fisheye lens until now.

The Milky Way along with bands of airglow stretch across the eastern sky.

I like the result because it shows a large part of the Milky Way from south of the Galactic Center northward almost–but not quite–to Cassiopeia. Cygnus can be seen in the center.

As a bonus there is some banded airglow along the eastern horizon.

Milky Way with Reflections

July 18, 2023

Clear skies and light winds presented an opportunity to photograph the Milky Way with reflections in smooth water. Upper Lake Mary had the best orientation to look down the lake. In addition, accessing this lake is very easy with a parking lot just a short distance from where the image was taken. Finally, another factor is this past winter had a lot of snowmelt that filled the lake to capacity for the first time in several years.

Milky Way with reflections in Upper Lake Mary.

It’s interesting that the star colors are more saturated in the reflections compared to the sky.

The glow on the right is the light dome from Phoenix.

tau Herculids Meteor Shower

May 31, 2022

There were plenty of caveats associated with the tau Herculids meteor shower. It could be a full-blown meteor storm or it could be a total bust. But there was a third possibility; not a meteor storm but a shower, or maybe a drizzle.

View of the Milky Way and several tau Herculids meteors.

Cropped view of the three brightest tau Herculids meteors.

Of course I was hoping for the storm but was quite happy with the shower. I had a few ideas of how to shoot this but ended up going with the Keep It Simple concept. I ended up at a viewpoint on the west side of Mormon Lake and aimed the camera at the rising Milky Way.

A review of my images showed that I captured three very bright meteors and another six that were fairly dim. The first image is a composite of those images and shows the entire field of view from the ultra-wide 17mm lens. It has a field of view of 93° x 70°.

The next image is a tight crop of the three brightest meteors that also shows two dim meteors.

Time-lapse video of the three brightest tau Herculids meteors and some persistent smoke trails.

Finally, there is a time-lapse video of the three brightest showing the persistent smoke trails from two meteors.

It was a fun evening.

Edit: Fixed error in the field of view values.

Flagstaff Altitudes

Tag: Milky Way