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APOD: 2026 October 2 – The Complete Sharpless Catalog: 313 Nebulas

2026-10-02 04:05

APOD

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

313 separate images of nebulae that resemble a variety of shapes and brightnesses. Some are dim and whispy, others are bright and create structure. Each image traces the complex behavior of interstellar gas.

The Complete Sharpless Catalog: 313 Nebulas

Explanation: What does it take to image hundreds of nebulas? Today’s image contains the entire Sharpless Catalog of H II Regions, totaling 313 objects. Zoom in and explore! You may spot fan favorites like the Eagle (Sh2-49), Heart (Sh2-190), and Orion (Sh2-281) Nebulas. Despite its name, this catalog contains more than the glow of ionized hydrogen that makes up H II regions. There are planetary nebulas (the Medusa Nebula, Sh2-274) and supernova remnants (the Spaghetti Nebula, Sh2-240) as well. Astrophotographer Bing Xin traversed the dark skies of Eastern China and Inner Mongolia to catch them all. Narrowband filters that primarily capture light from ionized hydrogen and oxygen as well as red-green-blue filters were used. Each object took 2 to 6 hours to capture, with the entire catalog taking around 800 hours to complete! Which object is your favorite?

APOD’s email for image submissions has changed. Please see: APOD Submissions
Tomorrow’s picture: just Curiosity

Date: October 2, 2026
Credit: Bing Xin
Authors & editors: Keighley Rockcliffe, Robert Nemiroff, Jerry Bonnell, Cecilia Chirenti
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.

Rains Swamp the Gandak River

2026-10-02 04:01




September 20, 2026
September 29, 2026

A false-color satellite image shows the Gandak River before the flooding on September 20, 2026.
A false-color satellite image shows the Gandak River before the flooding on September 20, 2026.
NASA Earth Observatory / Lauren Dauphin

A false-color satellite image shows the same area during the flooding on September 29, 2026. The river appears much wider.
A false-color satellite image shows the same area during the flooding on September 29, 2026. The river appears much wider.
NASA Earth Observatory / Lauren Dauphin

A false-color satellite image shows the Gandak River before the flooding on September 20, 2026.
A false-color satellite image shows the Gandak River before the flooding on September 20, 2026.
NASA Earth Observatory / Lauren Dauphin

A false-color satellite image shows the same area during the flooding on September 29, 2026. The river appears much wider.
A false-color satellite image shows the same area during the flooding on September 29, 2026. The river appears much wider.
NASA Earth Observatory / Lauren Dauphin


September 20, 2026

September 29, 2026


Storms drenched Nepal’s mountainous Lumbini and Gandaki provinces with waves of torrential rain between September 24 and 27. The deluge, arriving late in the monsoon season, triggered landslides and pushed the Gandak River, also called the Narayani, to record levels in both Nepal and India.

With runoff streaming into the braided river system, water overtopped and breached embankments in several areas, inundating farmland and settlements along the river for hundreds of kilometers. As authorities assessed the full extent of the damage, news reports indicated that flooding and landslides had affected hundreds of villages and displaced thousands of people.

Images captured by MODIS (Moderate Resolution Imaging Spectroradiometer) on NASA’s Terra and Aqua satellites on September 20, 2026 (left), and September 29, 2026 (right), show the extent of the flooding. The false-color images combine observations of infrared and visible light (MODIS bands 7-2-1) to make it easier to distinguish the water. Floodwater appears blue; vegetation is bright green; clouds are light blue.

In many areas, water inundated seasonal fields on low-lying deposits of sand and silt within the river’s channel, called diara, where flooding is expected. However, it also breached embankments and flooded several settled areas, including parts of Bagaha, Areraj, and Fulia Khand.

Data from Nepal’s Department of Hydrology and Meteorology indicated that a gauge in Devghāṭ reached as high as 11.94 meters on September 27, the highest since measurements began there in the 1960s. According to news reports, gauges in India along the Gandak that set new high-water marks included Bagaha, Dumariaghat, Rewaghat, and Lalganj.

NASA has several tools and datasets available for tracking rainfall and flooding. Among them are Worldview, FLOOD Viewer, and the GPM IMERG Global Viewer. 

NASA Earth Observatory images by Lauren Dauphin, using MODIS data from NASA EOSDIS LANCE and GIBS/Worldview. Story by Adam Voiland.

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Lake Powell Drops to Record-Low Levels

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Snow drought and unusually warm temperatures in the Colorado Basin in 2026 helped drive down reservoir water storage in the…

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Low Water at San Carlos Reservoir

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Drought and water releases drained the Arizona reservoir to levels that have led to widespread fish deaths.

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Elephant Butte Reservoir Runs Low

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Drought in the Rio Grande basin contributed to New Mexico’s largest reservoir dwindling to its lowest level in decades.

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10 Things: Movie Night

2026-10-02 00:25

2 Min Read

10 Things: Movie Night

The bright, dusty band of the Milky Way galaxy stretches across a star-filled night sky. In the foreground, a rustic wooden fence and a closed metal gate stand on a grassy field, with dark hills silhouetted in the distance.

Join Us for Movie Night with NASA

NASA’s mission is to pioneer the future in space exploration and scientific discovery. NASA+ documentaries allow you to come along for the ride. It’s free. It’s on demand. And no subscription is required. Grab some popcorn and come along for the journey.

Other Worlds: Europa

Cosmic Dawn

Planetary Defenders

Our Alien Earth: The Lava Tubes of Mauna Loa, Hawai’i

Our Alien Earth: Greece

Other Worlds: Titan

NASA Explorers: Sample Return

NASA Explorers: Space School

Listen to the Universe

Space Out!

You’ve explored Earth, tracked asteroids, visited distant worlds, and listened to the universe. It’s time to relax with some tunes and images of Earth’s beautiful Moon.

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Last Updated

Oct 01, 2026

Related Terms

NASA Awards Enterprise Logistics Support Services Agreements

2026-10-01 20:34

Credit: NASA

NASA selected 16 companies to provide Enterprise Logistics Support Services under new agreements that will standardize requirements, improve reporting, and streamline the management of costs and resources.

The $1.4 billion blanket purchase agreements will support equipment and property management, transportation, disposal, product support, flight hardware support operations, equipment maintenance and repair, export control, move operations, flight hardware, and other material purchases.

Under the General Services Administration’s One Acquisition Solution for Integrated Services Plus multiple-award blanket purchase agreements, NASA has the discretion to use firm-fixed-price, time-and-materials, labor-hour, or hybrid contract types.

The five-year base ordering period begins Thursday and runs through Sept. 30, 2031. It is followed by three optional one-year ordering periods and a six-month option to extend.

The companies selected are:

  • Akima Facilities Operations
  • Akima Global Logistics
  • Alutiiq Operations Services LLC
  • ASR International Corporation
  • ASRC Federal Administrative Services LLC
  • ASRC Federal Professional Services LLC
  • IAP World Services Inc.
  • KBR Wylie Services LLC
  • Leidos Inc.
  • LogiCore Corporation
  • Prime Response Inc.
  • S&K Applied Solutions LLC
  • TechTrans International Inc.
  • Tetra Tech Inc.
  • TRAX International Corporation
  • Yulista Support Services LLC

For more information about NASA and its programs, visit:

https://www.nasa.gov

-end-

Jennifer Dooren / Jessica Taveau
Headquarters, Washington
202-358-1600
jennifer.m.dooren@nasa.gov / jessica.c.taveau@nasa.gov

Jamie Mettler
Stennis Space Center, Miss.
228-813-6490
jamie.m.mettler@nasa.gov

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Details

Last Updated
Oct 01, 2026
Editor
Jessica Taveau
NASA’s SpaceX Crew-13 Launches

2026-10-01 18:05

A SpaceX Falcon 9 rocket carrying the company's Dragon spacecraft launches. There is a bright column of fire under the rocket as it moves upward. Clouds of vapor spread out below the rocket, almost blending into the similarly shaped clouds in the sky.
NASA/Joel Kowsky

In this Oct. 1, 2026, photo, a SpaceX Falcon 9 rocket and Dragon spacecraft launch from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. The spacecraft is carrying NASA astronauts Jessica Watkins and Luke Delaney, CSA (Canadian Space Agency) astronaut Joshua Kutryk, and Roscosmos cosmonaut Sergey Teteryatnikov to the International Space Station for a long-duration science mission. They are expected to dock at the space station at 7 p.m. EDT.

NASA will stream Crew‑13’s arrival across multiple platforms. The agency’s live broadcast begins at 5:20 p.m. EDT. Learn where to watch at: https://www.nasa.gov/live

Learn more about the Crew-13 launch and mission.

Image credit: NASA/Joel Kowsky

TechCrunch - Latest

Robotaxi operators will face fines for blocking first responders

2026-10-02 00:57

A new California law places new rules on autonomous vehicles operators
The founder’s guide to TechCrunch Disrupt 2026: Everything you need to know

2026-10-02 00:03

TechCrunch Disrupt 2026 is built around one question: How do you build an enduring company in the AI era? Our programming and speaker lineup reflect that.
Lyft is paying $272.5M to settle lawsuit over how it classified drivers

2026-10-01 21:57

Today, gig economy drivers are classified as contractors. This settlement clears up a lingering lawsuit from 2020 when that was still an unanswered issue.
Kevin Mandia’s new ‘agent swarm’ security startup Armadin raises $255.5M at $2.5B valuation

2026-10-01 21:55

Kevin Mandia, best known as the founder of Mandiant, has a new startup that is using agent swarms to test and protect enterprises.
Musk’s AI chatbot Grok reportedly encouraged Trump to capture Venezuela’s president

2026-10-01 21:08

President Trump reportedly asked for Grok's opinion before invading Venezuela and capturing Nicolás Maduro.
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