This article on Astrophotography is a guest article by Nikunj Rawal, an amateur astronomer and an astrophotographer from Gujarat, India.

Capturing the night sky is as difficult as a baby photoshoot. But once you know how to tackle the baby nicely, the photoshoot becomes easy. The same goes for Astrophotography, a wide field that covers planetary & deep-sky imaging, Earth-Sky style widefield nightscapes, star trails, comet imaging, and anything that is related to space. I am serving Astronomy for the last 23 years.

How To Step Into Astrophotography?

Understanding the basics of astronomy is the first task. Understand the night sky, the constellations, their movements, and position throughout the year, basic concepts such as types of magnitude. Download apps like GoogleSky, Stellarium, SkySafari for live and better interpretation.

Secondly, learn about the camera (DSLR). Understand the terms such as aperture, shutter speed, ISO, and focal length – Understand their working, cause, and effects. No matter which camera you have, practice, and get fully acquainted with the setup. Shoot the Moon. Shoot your surrounding night sky. Then go to some remote dark place and shoot there. Note the changes in the camera settings. You will gradually develop the skills and become a maestro.

Also read: All the 30 articles of the Basics of Astrophysics series

What Can You Photograph?

Widefield Nightscapes – You can always make them with your kit lens, fisheye lens, or telephoto prime lens by framing a beautiful foreground. You should know the rise time of the Milky Way galaxy and then plan your journey to the nearby dark site and make it happen. Milky Way is the easiest galactic light photons you can capture with your basic gears.

Astrophotography - Milky Way
Milky Way And The Universe Express

Startrails – Giving back to back longer exposures for hours gives you trails of stars as a result of the apparent motion of stars in the night sky due to rotation of the Earth. It looks circular in pattern towards North/South and straight towards East/West direction. Use an intervalometer to give continuous exposures and stack them in RegiStax, StarStax, or star trails.

Star Trail at Mount Abu Observatory by Nikunj Rawal
Star Trail over the Mount Abu Observatory

Planetary Imaging – With a good telescope (above 5 Inch diameter), you can get good photos of planets. T-ring and T-adaptor are needed to fix your camera to telescope eyepiece slot. For some fantastic high-quality images, Barlow lenses and special planetary ZWO type cameras are required. Video recording of planets helps to reduce noise and brings smooth & sharp image outputs from PIPP, AutoStakkert software.

How To Get Started With Astrophotography? A Step By Step Guide. 1
Mars, Jupiter, And Saturn

Deep Sky Objects – Galaxies, nebulae, and star clusters, located outside of our solar system are much fainter and smaller in angular size that needs longer camera exposures and higher focal length equipment to capture. Longer exposure gives trailing in images after a certain time interval. Earth is spinning on its axis, so to overcome the trailing in images, we need a stepper motor that rotates with the same speed as Earth – called a Startracker or Equitorial Mount. There are many Equitorial Mounts and Startrackers available in the market as per transportable size and budget, like NEQ6, VixenPolarie, iOptron, Astrotrac, SkyAdventurer, etc.

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How To Get Started With Astrophotography? A Step By Step Guide. 2
Andromeda Galaxy

Setting up the Equitorial Mount or Startracker, we need to do a polar alignment to the pole star and giving the co-ordinates, date, and time of our place. For greater accuracy and precision, piggyback telescope or secondary camera is guided by a guiding software, which is more complex and time taking task.

Shooting in a low light condition is a challenging task for any Astrophotographer. Consider the following points and make up your mind to get into it.

  1. Travel to a dark location free from light pollution.
  2. Get away from unwanted street lights, vehicles or highway lights, torch, etc.
  3. Moonless Night is always preferred to get natural darkness.
  4. Choose a clear weather night.
  5. Beware of unsafe locations, wild animals, and unknown people.
  6. Keep camera batteries fully charged. Keep a backup battery too.
  7. Remove UV Filter from a lens! Not at all required at night.
  8. High Wind! Attach weights to a tripod or stand.
  9. Fogging on a lens! Keep a dew heater, air drier, or heat gun.
  10. Have passion, patience, planning, and perseverance – choose your day.
How To Get Started With Astrophotography? A Step By Step Guide. 3
Romance against the Supermoon

Yes, a lot of patience is required for any night sky photograph to finally appear on your camera screen. The happiness of getting the right exposure is always exciting and cheerful. I enjoy the celestial event as an astronomical festival. After all, we all are made up of stardust. Cheers!

Noise management is tactful and demands skill in night sky photography. Your homework is to search and read more on Signal to Noise Ratio.

Also read:

How the first image sent by the Hubble Space Telescope embarrassed everyone?
Why are the iconic Hubble images originally black and white?
The science behind a telescope

How To Get Started With Astrophotography? A Step By Step Guide. 4
The Solar Eclipse

Choosing The Right Telescope For Astrophotography

Choosing a right telescope is an important parameter to get into amateur astronomy. Buying a new telescope is always the first choice for most beginners. But they should rather first go for a binocular (10×50), screening the whole night sky using it and then go for a good telescope after 1-2 years. There are 3 main types of telescopes:

  1. Refractors
  2. Reflectors (Newtonian, Dobsonian)
  3. Catadioptric (SCHMIDT-Maksutov CASSEGRAIN)

Keep below parameters in mind while buying a new telescope.

  1. Size – Bigger the size, Harder to setup. Make sure you’re easy to carry & use it.
  2. Budget – Invest wisely and make smart choices.
  3. Transport – If you are going to observe from the terrace/balcony, then you may go for a bigger size, else decide according to your car capacity to go to remote dark place regularly.

Choosing a Dobsonian Telescope is a good choice for a beginner. Narrow FoV but higher aperture Schmidt Cassegrain is good for planetary and DSO.

Feel free to ask for any query. You can drop a message to below.

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– Nikunj Rawal

How To Get Started With Astrophotography? A Step By Step Guide. 5

More Pictures From My Archive

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Lord Shiva (Mahadeva) and Lord Ganesha with the Milky Way in the background
How To Get Started With Astrophotography? A Step By Step Guide. 7
The transit of Mercury
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My Comet NEOWISE Window
How To Get Started With Astrophotography? A Step By Step Guide. 9
The Orion Molecular Cloud

Before you go, make sure you also explore:

17 thoughts on “How To Get Started With Astrophotography? A Step By Step Guide.”

    1. Tulasidas Rudani

      Sir, Nicely explain about Astro photography. Please share your e – visit details for more knowledge to gain about Astronomy…

  1. Awesome Article. It is very easy to understand even for the beginners and the ANDROMEDA and NEOWISE is mesmerising. All the images are superb. Thanks for sharing knowledge.

  2. S Vipin Chandran

    An eye opener for anyone interested in photography and astronomy. Plenty of information to start your journey. Well written by and experience hand.

  3. What an article! Really crisp, sweet and to-the-point!

    Proudest-glad to say that we have interaction with you… live!!!


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