Remote Astrophotography: A Guide to Exploring the Universe with Telescope Live

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Remote astrophotography allows you to capture stunning images of the night sky without needing to own or operate your own expensive telescope. With platforms like Telescope Live, you can access professional-grade telescopes located in some of the best observatory sites around the world, all from the comfort of your home. This innovative approach makes astrophotography more accessible, enabling you to photograph galaxies, nebulae, and other celestial wonders remotely. In this guide, we’ll explore how remote astrophotography works, the benefits of using Telescope Live, and tips for getting started with this exciting technology.

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Remote astrophotography can refer to a few things: hosting your own equipment at a remote dark sky site, paying to use someone else’s remote telescope, or purchasing existing data, and there is a tradeoff between control, cost, and convenience with each of these. Hosting your own rig gives you the most control and consistency, but requires technical knowledge, a time investment to set up, and a maintenance commitment, so renting gives you access to high quality equipment in great skies without having to do any of the ownership or maintenance work. Buying datasets is the easiest and quickest, but is the least flexible and best suited to people who want to process images or do analysis, rather than manage the capture sessions, therefore understanding the differences between these makes the choice much easier based on your goals, experience, and budget.

Comparison of Remote Astrophotography Providers and Locations

The choice of provider and location can make or break your remote imaging experience. Some popular providers include Telescope Live (this is the service I use), iTelescope, and Starfront, each offering different telescope types, sky quality, and pricing. Locations range from dark sky deserts to high-altitude observatories, with some offering access to the southern hemisphere’s unique celestial targets. Consider factors like latency, support, and data delivery options when choosing.

Comparing Different Kinds of Remote Astrophotgraphy – Which is Best for You?

FactorOwn Remote RigRent Remote TelescopesBuy Pre-Captured Data
What It IsYour equipment hosted at dark site
Control LevelHigh
ConvenienceLow
Setup TimeWeeks-Months
Ongoing EffortHigh
Typical Costs$5k-$25k+ equipment, $150-$600/month hosting
Main ProsFull control, unlimited access, consistent calibration
Main ConsHigh costs, setup complexity, maintenance, downtime
Best ForExperienced imagers, frequent users, want maximum control
Uniqueness of ResultsHigh
Learning Value (Capture)High
Learning Value (Processing)High

Comparing Remote Astrophotography to my Backyard Astrophotography

First let me show you an example of what I have created using data from Telescope Live and compare that to the images I have captured in my backyard using my own much cheaper equipment. My target was the Horsehead Nebula in Orion.

First, here are two versions of the Horsehead Nebula created from the data I obtained from Telescope Live:

The first is in the Hubble SHO pallette and the second is an LRGB image.

Image 1: Widefield refractor 106mm:

Horsehead nebula widefield image
Horsehead Nebula data processed by Karl Perera from data from Telescope Live

Image 2: Reflector Telescope 70cm

Horsehead nebula with expensive 70cm telescope
Horsehead Nebula processed by Karl Perera using data from Telescope Live.

Image 3: Taken with my Celestron 130slt

Horsehead nebula
Data captured and processed by Karl Perera with my own equipment

Exposure times and equipment used for these three images

Image 1Image 2Image 3
Telescope typeRefractor 106mmReflector 70cm (700mm)Reflector 130mm
Focal length and ratio382mm, 3.65600mm, F8650mm, F5
ModelTakahashi FSQ-106EDOfficina Stellare 70cmCelestron 130slt
CameraQHY 600M CMOSFLI PL 16083 CCDZWO ASI533 MC PRO
LocationHeaven’s Mirror Observatory, AustraliaOria, SpainCesme, Turkey
FiltersHa, OIII, SIIL, R, G, BZWO Narrowband Ha/ OIII
Exposures300s x 36 SII
300s x 31 OIII
300s x 38 Ha
600s x 10 L
600s x 10 R
600s x 9 G
600s x 10 B
180s x 147
Total integration8.75 hours6.5 hours7.35
Colour paletteSHOLRGBRGB
Software usedSeti Astro Suite, Siril and PhotoshopSiril and PhotoshopSiril and Photoshop

My comments about these images

What differences do I see between my image and the ones I created using data from telescope live and their more expensive, higher quality telescopes and cameras?

Given the huge difference in cost of the equipment, especially the camera and telescopes used, I was surprised at the small differences (to my eyes at least). I expected to see much more of a difference in quality and what could be seen int he photographs of the nebula.

Here’s more in a video from my Youtube channel:

What do you think of my efforts against the big boy telescopes? Which of the three images do you prefer and why? Let me know by clicking this link and sending me a message

Please note that the telescope to take the second picture above is worth approximately 68,000 dollars while my telescope cost just 400! I’m not counting the other items such as mount, cameras and filters which are all substantially more expensive than those I own (a ZWO ASI533 MCPRO camera and an Ioptron CEM26 mount).

Summary

Remote astrophotography allows you to capture excellent sky shots. You don’t need good weather or dark skies, because you can host your equipment, rent a telescope or buy the data. Which you choose depends on what you want, so if you want control of your hardware and lots of shots, host your own telescope. If you want the best hardware and the easiest access, rent a telescope. If you want to concentrate on editing, buy the data. Remote astrophotography is developing all the time, thus try what works for you now. I’m very happy with Telescope Live for now. Here are some links for remote astrophotography:

Links