Locomotoring

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

Posts Tagged ‘astronomy

A rough draft of a horse and a flame

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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.
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Written by locomotoring

December 30, 2025 at 10:02 am

Cosmic loneliness

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Today’s story is not about philosophical loneliness, it is about the practical one, the one at cosmic scale.

Pale Blue Dot is a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from a distance of over 6 billion kilometers (3.7 billion miles), as part of Family Portrait series of images of the Solar System.” –Wikipedia

In the Pale Blue Dot photo, a medium size 666 x 659 pixels, Earth is less than a pixel (0.12 pixels), suspended in a beam of sunlight. This photo was taken at the request of Carl Sagan, who wanted the Voyager to turn around as it passed Neptune’s orbit and picture earth. He went on to speak about this photo, “Look again at that dot. That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.” Thirty four minutes after that photo in 1990, the Voyager I camera was permanently turned off. Carl Sagan wrote his book Pale Blue Dot in 1994 and he died in 1996 at 62, battling a rare bone marrow disease.

It has taken me 30 years to truly understand what Carl Sagan meant when he said “That’s home”. And that only happened when we found our passion to capture photons from these far off light sources.

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Written by locomotoring

November 26, 2025 at 6:08 am

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Festival of (star) lights

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Diwali, a festival of lights.

This year’s Diwali ended up being a festival of star lights at Death Valley National Park, the darkest sky that can be, amidst a federal government shutdown.

We had made a call earlier in the summer to sign up for a star gazing event organized by Eastern Sierra Observatory, in Panamint Valley. The site was by the side of a county maintained dirt road, Indian Ranch road. The organizers are astrophotographers themselves. They were quiet until a few days before the event. An earlier flash flooding in August had resulted in closure of several roads in Death Valley. Three weeks ago, the federal government had shut down resulting in the shutdown of National Park Services. It had rained recently and as a result, the county road was badly rutted in places. The organizers had crafted a detailed and helpful email on road access – “Take Hwy 58 from Bakersfield and not the twisty Hwy 178”, “Whatever you do — first navigate to Ballarat first”, “Do not approach the county road from north”, “The road is bumpy here and there, so drive slowly”, …

I wasn’t sure what to expect. This was our first communal star gazing event. On one hand was the government shutdown and poor road conditions. On other hand, the 2025 Dark Sky Festival in Death Valley National Park, held in Feb, had reported over 6,800 attendees. Our camping experience hasn’t yet prepared us to deal with a primitive campground. The site was going to have porta potties, but not water. Instead, they were going to bring large telescopes to look at planets in our solar system and star clusters that are million light years away. I couldn’t stand the idea of star gazing while being unbathed for 3 days in a hot valley. So, we had also checked into the Panamint Springs Resort. The rutted county road meant we were going to be driving an hour each way from Panamint Springs Resort (daytime) to the campsite (nighttime) and back, but it also meant that we were going to be fed, washed and rested. Even then, I was a little apprehensive. I needn’t have been.

In the end, 150-180 vehicles had congregated at the event, not thousands. They were respectful of the dark sky. Everyone used red lights when they needed to use a light. There was no music playing. While the historic temperature averages predicted 60-90F, we ended up with 50-85F. As far as Death Valley goes, it was positively balmy weather. They had suggested bringing 12 inch stakes and we were glad to have followed the suggestion. We experienced gusts of wind throughout our stay. It was particularly windy when we were setting camp. I remember feeling a brief moment of panic when we weren’t sure if we would be able to put up the tent. But we did and the tent stayed put. There were a couple of welcome surprises – a starlink WiFi access and a food truck.

It couldn’t have been better star gazing experience. We have been going to Pinnacles National Park (Bortle 3), but Death Valley sky is darker still (Bortle 1). We would get to the campsite by 4 or 5 pm, and set up photography gear. During earlier part of the evening, there were organized events. One evening we listened to a panel of astrophysicists from Caltech. We looked through giant telescopes and saw globular cluster and rings of saturn. We ate simply. We would select the star cluster and set up the photoshoot program and catch a snooze before moving on to the next star cluster. Each night we ran two programs. We managed to shoot several hours of Andromeda galaxy, Pleiades cluster, North America nebula and the Orion nebula. These are relatively large objects in the sky – easier for beginner gear and skill set. The location of the site caused a dome like effect, the night sky was surrounded by mountains on the horizon. The desert landscape meant no tall trees to interrupt the view. It was stars as far as eyes could see. And more with binoculars. And more still with camera. Along the milky way, nearly every pixel was occupied by a star. We saw meteors. We saw satellites.

It was not an unpleasant experience sleeping (somewhat fitfully) while listening to the periodic shutter of our DSLR. I woke up with a start once because a donkey was braying. The occasional gust made the tent cover flap and added to the fitfulness of the sleep. We would wake up early, wrap up the gear and drive back to the Panamint Spring Resort. There we would grab breakfast, enjoy a hot shower, catch naps, inspect the photography artifacts from night before and plan the upcoming night’s shooting. On the very last night of our stay, we decided to skip the campsite and shoot from the resort’s well maintained campground. Our neighbor was a loud group that kept the fire going until well past midnight. The sky was so dark that it didn’t stop us from being able to see the stars, infinite of them. For the first time, I could actually see a nebula, the Orion nebula, through binoculars.

Stars make me happy and sad at the same time. More than anything, they make me want to live my life at its fullest. I truly believe that there are millions of intelligent species elsewhere in the universe and we are not unique. Heck, our planet has thousands of intelligent species! I want desperately for SETI to succeed. But I have finally come to grapple with the fact that there is simply no way for us to hear observable noises from another planet for a long time. That long time is perhaps a million years. Andromeda, the nearest large galaxy, which likely hosts a human like intelligent lifeform or two, is over 2.5 million light years away. Humanity has been making observable noise only the last two hundred years. Even as I write it, I want to hold on to a little iota of hope.

Written by locomotoring

October 21, 2025 at 11:49 pm

In search of stars

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“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.
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Written by locomotoring

July 2, 2025 at 4:26 am