Nature - David Mathre Photography

Tuesday (17-December-2024) — New Jersey

Fifteen-Years Ago Today. Nakalele Point Blowhole, Maui Hawaii. (17-Dec-2009)

Silhouettes of a Jet Passing in Front of the Sun.

Today, I captured an image of a jet passing in front of the sun while looking at the sunspots (we are at or near the solar maximum). I was viewing the sun with a Vespera Passengers telescope fitted with a solar filter. The exposure time for solar observations with the Vespera Passengers telescope is 300 microseconds (1/3333 sec). The Vespera Passengers takes ~30 solar images per minute. Over an hour that amounts to 0.54 seconds (or 0.015% of the time). I am not sure why the background of the image is blue. Previous observations the background was black and the sun orange. I will be contacting Vaonis support about the strange colors.

Silhouette of a jet transiting the sun with sunspots. Image taken with a Vaonis Vespera Passengers Telescope (200 mm, f/4, 1/3333 sec) with a solar filter.

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The comet is getting fainter and the tail much shorter. You may need to look closely; the comet is in the center of the frame. The magnitude is now 10.7. The first image is a composite of 32 images (5 min 20 sec) and the second one is a composite of 128 images (21 min 20 sec). In the second image there is some movement of the comet head.

Comet C/2023 A3 (Tsuchinshan–ATLAS). Composite of128 10 sec images taken with a Vaonis Vespera-Pro Telescope (250 mm, f/5, 1280 sec).

Monday (16-December-2024) — New Jersey

Fifteen-Years Ago Today. Surfer Girl at Hookipa Beach Park. (16-Dec-2009, Maui)

Image of the Day.

For the image of the day, I select an image from the past taken on this day of the year. I now have over a million digital images going back to 2006 when I got my first DSLR camera, a Nikon D200 for a cross-country road trip. I have a few other digital images from a Polaroid PDC 700 point and shoot from before 2006.

The “Surfer Girl” image was taken while in Hawaii for a Pacific Chemistry scientific meeting. I had the morning off and went for a drive along the coast. I stopped at Ho’okipa Beach Park and went to a section overlooking the beach. It was windy and there were some big waves. I could see some folks surfing the waves at a distance of 300-400 feet. For the trip, my travel camera was a Nikon D3x with a 70-300 mm zoom lens. At that time the 24-megapixel sensor was state of the art — great for landscapes or portraits with a steady tripod. But it was slow, not really suited for fast moving sports. Maybe 2 shots/second burst rate that quickly filled the buffer. I took a number of shots of the surfers out on the big waves.

It wasn’t till I downloaded the images later that evening that I realized I captured this great shot out of a 15-shot sequence taken over 8 seconds. Having a 24-megapixel image allowed me crop and zoom in on the surfer. I posted a cropped image on my photoblog and on Google+. A print of the image won an award at a Photography Show in Florida. I posted it on my photoblog and on Google+. Later, I found out it ended up in some surfer sites and it had been used in time-share and condo rental advertisements. Probably, my most stolen image.

Below, I show the original image sequence along with reprocessed versions of the sequence with currently available tools. DxO Pure Raw (Camera/Lens correction), Capture One Pro (Levels and High-Dynamic Range), and Topaz AI (sharpening).

Original RAW Image Sequence (2009, NEF)

Image Sequence Processed with Capture One (2024, TIF)

Image Sequence Processed with DxO Pure Raw (2024, TIF)

Image Sequence Processed with DxO Pure Raw and Capture One (2024, TIF)

Image Sequence Processed with DxO Pure Raw, Capture One, and Topaz AI (2o24, TIFF)

Image Sequence Processed with DxO Pure Raw, Capture One, and Topaz AI (2o24, JPEG)

Friday (13-December-2024) — New Jersey

Digital Art. Silhouette of an AI Drone Hovering in front of the Moon. (13-Dec-2024)

Silhouettes of an Airplane, Jets, and a Turkey Vulture Transiting the Sun.

Today, I captured images of an airplane, two jets, and a Turkey Vulture transiting the sun while looking at the sunspots (we are at or near the solar maximum). I was viewing the sun with a Vespera Classic and Vespera Pro automated telescope using solar filters.

Silhouette of a Turkey Vulture passing in front of the sun. Image taken with a Vaonis Vespera Classic Telescope (200 mm, f/4, 1/4000 sec) with a solar filter. — Silhouette of a Turkey Vulture passing in front of the sun. Note I am guessing it is a Turkey Vulture. It could also be a Black Vulture. Image taken with a Vaonis Vespera Classic Telescope (200 mm, f/4, 1/4000 sec) with a solar filter.

Silhouette of an airplane passing in front of the sun. Image taken with a Vaonis Vespera Classic Telescope (200 mm, f/4, 1/4000 sec) with a solar filter.

Silhouette of a jet transiting the sun with sunspots. Image taken with a Vaonis Vespera Classic Telescope (200 mm, f/4, 1/4000 sec) with a solar filter.

Sun with sunspots and the silhouette of a jet. Image taken with a Vaonis Vespera Pro Telescope (250 mm, f/5, 1/4000 sec) with a solar filter.

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The comet is getting fainter and the tail much shorter. You may need to look closely; the comet is in the center of the frame. The magnitude is now 10.4. The first image is a composite of 32 images (5 min 20 sec) and the second one is a composite of 128 images (21 min 20 sec). In the second image there is some movement of the comet head.

Thursday (12-December-2024) — New Jersey

Digital Art. Flock of geese transiting the sun. The geese flying in front of the sun are real, the rest is digital art. (12-Dec-2024)

Silhouettes of Jets and Geese Transiting the Sun.

Today, I captured images of a flock of geese and several jets transiting the sun while looking at the sunspots (we are at or near the solar maximum). I was viewing the sun with a Vespera Classic and Vespera Pro automated telescope using solar filters.

Flock of geese transiting the sun with sunspots. Image taken with a Vaonis Vespera Classic Telescope (200 mm, f/4, 1/4000 sec) with a solar filter.

Silhouette of a jet transiting the sun with sunspots. Image taken with a Vaonis Vespera Pro Telescope (250 mm, f/5, 1/4000 sec) with a solar filter.

Comet C/2023 A3 (Tsuchinshan–ATLAS)

The comet is getting fainter and the tail much shorter. You may need to look closely; the comet is in the center of the frame. The magnitude is now 10.3. The first image is a composite of 32 images (5 min 20 sec) and the second one is a composite of 128 images (21 min 20 sec). In the second image there is some movement of the comet head.

Tuesday (10-December-2024) — New Jersey.

Eleven-Years Ago Today. Birdbath and statue covered with snow. (10-Dec-2013, New Jersey).

Foggy Fogy Day

The fog persisted into the afternoon, and it remained cloudy overnight. The telescopes had the day off. I took the Leica Q2-monochrome out for a walkabout to capture the dreary mood. The patch of Cattails next to the pond has increased in size now that the pond has been enlarged. They were struggling during the drought but now should be self-seeding for next year. For the individual Cattail, I used the macro/closeup feature on the Leica Q2 camera.

Late Autumn Cattails in the Fog. Image taken with a Leica Q2M camera with a 28 mm f/1.7 lens (ISO 200, f/4, 1/125 sec).

Late Autumn Cattail in the Fog. Image taken with a Leica Q2M camera with a 28 mm f/1.7 lens (ISO 200, f/4, 1/160 sec).

Wildflower Meadow Plan

I recently mowed the back wildflower meadow in preparation for seeding. This year I am going to try seeding in the winter after it snows. I don’t plan to rototill or plow this year. I may put out some slow-release fertilizer. This will allow the wildflower seeds to be exposed to the cold for several months before germinating. The risk will be the birds and mice thinking I put the seed out for them. If it works, I should have a jump on an early flowering season next spring.