Astronomy and Telescope Learning Hub
18 guides written for people observing from Indian skies — where light pollution, humidity and atmospheric seeing shape what is possible far more than the equipment does.
We would rather tell you what a telescope cannot do than sell you one that disappoints, so these guides set expectations before they make recommendations.
Buying guide
Working out what to buy, and how to avoid the standard first-telescope mistakes.
How to Choose a Telescope
Most telescope advice starts with specifications. That is backwards. Start with where you observe and what you want to see, and the right telescope narrows down fast.
5 min readComplete Beginner's Guide to Telescopes: Types, Specs & Budget
Learn everything you need to know before buying your first telescope. Understand aperture, focal length, mounts, and how to choose the right scope for your needs.
3 min read5 Common Mistakes When Buying Your First Telescope
Avoid these costly errors! Learn what beginners get wrong and how to make a smart telescope purchase.
3 min readFundamentals
The specifications that actually matter, explained in terms of what you will see.
Telescope Eyepieces Explained
A better eyepiece often improves the view more than a bigger telescope would, at a tenth of the price. Here is what the numbers on the barrel mean.
3 min readTelescope Mounts Explained
Beginners compare tubes. Experienced observers compare mounts. Here is why, and how the four common types differ in practice.
4 min readWhat Is a GoTo Telescope?
GoTo is usually sold on convenience. The stronger argument, in Indian cities, is that light pollution has removed the landmarks manual star-hopping depends on.
4 min readWhat Is a Dobsonian Telescope?
The Dobsonian is not a kind of optics. It is a mounting idea — and it is the single most cost-effective idea in amateur astronomy.
3 min readTelescope Magnification Explained
Magnification is the most advertised and least important telescope specification. Understanding it protects you from the single most common way beginners are mis-sold.
3 min readTelescope Aperture Explained
Aperture is the single specification that sets the ceiling on what a telescope can show you. Here is what each step up actually buys, in objects rather than millimetres.
3 min readObserving
What is up there, how to find it, and how to get the most detail out of a given night.
How to See Jupiter Through a Telescope
Jupiter is the most dynamic object in an amateur telescope. Its moons rearrange nightly, its clouds rotate in ten hours, and shadows cross its face on schedule.
4 min readHow to See Saturn Through a Telescope
Saturn is the object that turns curiosity into a hobby. Here is exactly what each aperture shows, and how to give yourself the best chance of a memorable view.
4 min readWhat Can You See Through a Telescope?
The single biggest source of disappointment in amateur astronomy is expecting Hubble. Here is what a real telescope shows a real eye, and why that is still extraordinary.
6 min readYour Guide to Planetary Observing Season 2026
Learn when and how to observe the bright planets. Your complete calendar and observation tips for 2026.
4 min readIntroduction to Deep-Sky Observation: Clusters, Nebulae & Galaxies
Explore beyond the Moon and planets. Learn how to find and observe clusters, nebulae, and distant galaxies.
5 min readComparison
Design and instrument choices weighed against each other, with a clear conclusion.
Telescope vs Binoculars
Under about ₹12,000, binoculars beat any telescope on the Indian market. Here is what each instrument does well, and why almost every amateur owns both.
3 min readRefractor vs Reflector Telescope
The oldest question in telescope buying. Neither design wins outright — they optimise for different things, and knowing which things decides your answer in about two minutes.
4 min readMaintenance
Keeping a telescope working in Indian humidity, dust and dew — including what to leave alone.
Telescope Maintenance Guide
Most telescope maintenance advice is about what not to do. Over-cleaning optics causes far more damage in India than dust ever does.
4 min readHow to Collimate a Reflector Telescope: Step-by-Step Tutorial
Master the art of collimation! This detailed tutorial walks you through aligning your reflector telescope for optimal performance.
2 min read