Hover over telescope and satellite names on arXiv to see key specifications
Users
57
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#104K
#87K among extensions
Version
1.6.2
updated 24 Aug 2026
Users
monthly, 11 months
Latest, 19 Oct 2026:57 usersMove the mouse over the chart for any month
Ratings count
monthly, 11 months
Latest, 19 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Hoverscope
🔭 Hoverscope - Telescope & Satellite Information at Your Fingertips
Tired of Googling telescope specifications while reading astronomy papers? Hoverscope shows you everything you need to know with a simple hover.
✨ HOW IT WORKS
Just hover over any telescope or satellite name on arXiv (e.g., JWST, Hubble, Chandra, ALMA, Gaia) and instantly see:
• Launch date
• Wavelength coverage
• Survey area
• Location (orbit or ground)
• Current operational status
• Brief mission description
🎯 PERFECT FOR
• Astronomy researchers reading papers
• Graduate students learning about instruments
• Anyone exploring arXiv astronomy sections
📚 INCLUDED TELESCOPES
30+ major telescopes and instruments including:
• Space telescopes: JWST, Hubble, Chandra, Spitzer, Kepler, TESS, Gaia, Euclid
• Ground-based: ALMA, VLA, SDSS, Vera Rubin Observatory (LSST)
• Missions: Planck, Fermi, XMM-Newton, and more
• JWST instruments: MIRI, NIRSpec, NIRCam
🔄 ALWAYS UP-TO-DATE
The database can be easily updated with new telescopes and missions.
🎨 FEATURES
• Clean, unobtrusive tooltips
• Dark mode support
• Works on paper abstracts and full PDFs
• No data collection - completely private
• Lightweight and fast
🌟 OPEN TO CONTRIBUTIONS
Want to add a telescope? Found outdated information? Contributions welcome!
Perfect for anyone who reads astronomy papers and wants quick access to telescope specifications without breaking their reading flow.