Observed arrival · 2026-11-14
Hitoyozora makes a keepsake of a past night sky
This Japanese-language tool recreates the sky for a chosen date and place, then lets you customize and save or share it as a poster image.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People making a star-map gift or keepsake
- Worth noticing
- It accepts dates from 1800 to 2100 and exports print-ready PNGs at 300 dpi equivalent; older star positions may drift.
Field notes
The page says the chart is calculated in the browser and that dates, times, names, and messages are not sent to the operator's server. Location searches go to Japan's Geospatial Information Authority, while the optional comparison sends the date and coordinates to the US Naval Observatory. For dates far in the past, the site cautions that stellar proper motion is omitted, so positions can drift.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
†AdsAdvertising visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue