Locomotoring

Spending our time untethering the mind, getting the fidgets out, exploring the in-between ideas, and learning kintsugi.

Posts Tagged ‘astrophotography

Chaos overhead, the Flaming Star & the Tadpole

leave a comment »

Located in the Perseus arm of our Milky Way, the Flaming Star and Tadpole nebula appear in the constellation of Auriga (the Charioteer). The roundish one to the right is called the Tadpole Nebula (IC 410). The spiral one on the left is called the Flaming Star Nebula (IC 405). They seem deceptively close. The Tadpole is the larger of the two at 100 light years across and is 12,000 light years away. The bright region of the Flaming Star is 5 light years across and 1500 light years away. The two are over 10,000 light years apart. These are a result of 4-5 hours of integration across three nights in early Feb, right after the full moon. At least one of the nights, the sky was awash in moon-light.

I lost of lot of the red nebulosity in the spiral of Flaming Star during the process of removing background gradient. On the other hand, am a bit kicked that we see the intense blue that is seen in the more detailed NASA observation. The bright star at the heart of the nebula is AE Aurigae. It is a runaway star, it originated in the Orion nebula and is flying through the cosmic cloud and temporarily creating the drama that is the Flaming Star nebula. In time, when AE Auriga moves away, the Flaming Star will be no more. This cosmic temporariness is ~20,000 years.
In this view, the nebula looks more like a nipple! To see the tadpole shapes (yes, there are multiple tadpoles!), head out to NASA’s observation. I am looking forward to capturing this with oxygen filter!

Since the last shoot of Rosette Nebula in late January, we had opened up the mount and tightened up the screws that control the worm gear and as a result, we had less trouble with guiding. There wasn’t anything we could do with the bright moon. There are so few clear days in the Feb that we didn’t want to miss the chance. I suspect that the signal to noise ratio didn’t improve with longer integration.

Incidentally, the brightest star in Auriga constellation is Capella. In Hindu mythology, Capella is the heart of Brahma, the creator. Hindu mythology also recognizes Auriga as the charioteer!!! I wonder how these astronomical mythologies cross polinated between the Greeks and Indians.

Written by locomotoring

February 19, 2026 at 10:02 am

Chaos overhead, the heart nebula

leave a comment »

Would the heart nebula (IC 1805) be accessible on Valentine’s day? Don’t know for sure, but most likely. Taken with the QHY 268 color camera and the 300 mm Redcat 61 telescope. The image integrates 120 minutes from Bortle 7 skies. There are two bright portions in the heart nebula, one is at heart of heart, it is an open cluster referred to as Melotte 15. Then, there is the fishhead nebula (IC 1795), like a small pendant at the bottom of the heart (image left).
Cutout of the fishhead nebula (link). Here I see the fish head.
Cutout of the Melotte 15, with promises of chaos. To see what it might look like, check out Hubble’s image of the heart of the heart nebula.
Read the rest of this entry »

Written by locomotoring

January 17, 2026 at 4:00 am

A rough draft of a horse and a flame

with one comment

The horsehead nebula (red) and the flame nebula (yellow) in the Orion constellation. Unlike Pleaides, that has many tales, this has none. It is not visible to human eye. In some far away future, AGIs will start writing their own stories. Well before that I will write a story of the horsehead from the POV of our telescope.

As far as deep sky photo goes, this is a rough draft of a future photo – the horsehead nebula and flame nebula in the Orion constellation. It is the photo I have been waiting for since we took the first photos of the Andromeda galaxy. When I started, and even now, there aren’t many deep sky objects I can name by sight. The horsehead has a characteristic shape etched in my mind by NASA Hubble images. It is also a beginner deep sky target that offers an opportunity to get infinitely better as skills progress.

Our telescope setup reminds of daddy-longlegs that is carrying other insects on its shoulders, arms and head.
Read the rest of this entry »

Written by locomotoring

December 30, 2025 at 10:02 am

Our Pleiades

leave a comment »

These photons from Pleiades landed on our camera sensor, so there!

Pleiades captured from Panamint Valley

We first noticed Pleiades in Anza Borrego, about the same time last year. We were camping (link). I add the photo below of Pleiades that we took back then.

Can you see the tiny blue dipper, to the right and beyond the bright object (Jupiter)? That is Pleiades (or Messier 45 or M45). In Indian mythologies, this tiny dipper (Krittika) is composed of wives of saints who form the large dipper, Saptarshi Mandala (i.e. Ursa Major). More on this folklore here.

Our stars bind us. There is perhaps no where else in the universe where the stars looks the same as it does to earthlings. Pleiades is bright enough that they have been part of ours folklores (link) since the beginning of our story telling.

Read the rest of this entry »

Written by locomotoring

November 19, 2025 at 8:36 am

Posted in Uncategorized

Tagged with ,

First photograph of a nebula

leave a comment »

Orion nebula, 1500 light years away. Captured as a single 30 sec exposure with a Sony DSLR and a 400 mm lens, from Bortle 1 sky at Panamint Valley. The image is cropped. On a moonless night, in dark sky, the nebula appears as a fuzzy patch by the Orion’s belt.

There are probably a million photos of galaxies and nebulae that look astounding. So why take another one, an amateur one at that?

Read the rest of this entry »

Written by locomotoring

November 2, 2025 at 9:34 am

In search of stars

leave a comment »

“There are more stars in the universe than grains of sand on any beach, more stars than seconds have passed since Earth formed, more stars than words and sounds ever uttered by all the humans who ever lived.” – Neil deGrasse Tyson

I have strong memories of lying down on the rooftop of my grandmother’s house in the outskirts of Kolkata and looking up at the stars. I must have been six or eight then and star gazing used to feel like a vacation treat. Where we lived, Delhi, the apartment building rooftops didn’t afford the intimacy needed for this quiet sport. And the sky above my grandmother’s house, away from city lights, showed up with a hundred times more stars.

Those starry skies helped develop my love for physics. I loved projects like SETI. I devoured space odysseys. It felt great to be part of the universe – irrespective of what I did or not do, the universe would carry on. I read a book where a space adventurer spends an entire lifetime on a space mission without finding a single life form. I read another book where the people on the planet live with two suns and permanent daytime – never seeing another star. Looking, reading and thinking about stars gave me goosebumps. Then I got busy looking at the computer screen, kindle screen, TV screen, … and decades went by. And with time, I saw fewer and fewer stars.

Then, a few years ago, my significant other took me to Joshua Tree National Park to celebrate the completion of 5 decades in this universe. I was born around the New Year and there are only a few parks in California where winter is dry enough for a ramble. On what had then felt like a whim, my partner borrowed a wide angle camera commonly used in astrophotography and we spent a couple of cold nights in the park, shooting stars. He did the shooting and I looked out for shooting stars. I also kept up the supply of hot tea. Afterwards, the shots got stacked and I had the first look of our own star trails (link). That made for the best birthday present ever. We didn’t know it then, but we had chanced upon a new moon in a cloud free Bortle Scale 2 sky. And that beginner’s luck switched something for my partner, a desire to lean into astrophotography.

Since that trip, we have happened to be under dark skies twice. First was Anza Borrego (link) where we glimpsed the Pleiades star cluster in between the cloud laden winter sky. Second was Alturas (link) where the full moon brightened up the sky all through the night. Last weekend proved the next significant step up in our star gazing luck. I say luck because one always needs luck. But after Alturas, we got serious with our dark sky vacation planning. We wanted a chance to shoot the Milky Way and that means summer months. We chose Pinnacles National Park, our closest dark sky at Bortle Scale 3-4, checked the moon phase and reserved a campsite.

We left home after work on Friday. By the time we got to the campsite, electric tent (#80), it was time to make dinner and prepare ourselves for the night ahead. The Night Sky app gave us the confidence that we could park our gear right outside the tent and still be able to see large swathes of the Milky Way. After some initial hiccups aligning the tracker to the North Star, we settled into the sky watching rituals. The #80 is close to the campground entrance, close to the toilets, close to the Highway and that meant constant comings and goings of fellow campers. We were blinded several dozen times. A large group of friends had gathered near us and were shouting boisterously by the fire. But even with all that light-filled disturbance that had us swearing like Captain Haddock, we knew we were going to get pretty images of the Milky Way.

Milky Way from the Pinnacles Campground – a single 30 second 3200 ISO shot with a tracker.
Read the rest of this entry »

Written by locomotoring

July 2, 2025 at 4:26 am