Starbooked

天リフVideo, handle @video4186, is a Japan-based channel run by the Tenmon Reflexions astronomy media team. It has about 10,400 subscribers and a median of roughly 900 views per video. It uploads almost daily, mostly long live-stream style programs about astronomy and night sky photography. Estimated sponsored integration rate: $150 to $250 per video.

Why brands book 天リフVideo

Japanese astronomy audience reached through daily live streams and event coverage

  • About 10,400 subscribers with a median of roughly 900 views per video
  • Nearly daily uploads, with a 36,600-view peak on the August 2026 Perseids live stream
  • Estimated rate of $150 to $250 per video, about $0.16 to $0.27 CPM on median views
Best fortelescope and camera gearastronomy event promotionoutdoor and night travel products
Watch forMedian views are low, and the channel has not shown formal sponsorships, so pricing is an estimate.

Brand fit report

Content

Topics, IAB taxonomy
Science70%
Hobbies & Interests20%
Technology & Computing10%
Formats
live stream, long-form news roundup, event coverage
Tone
informative, enthusiastic
Language
Japanese
On camera
Yes, talking head
Production
Clean, lightly edited
Typical length
60 to 150 minutes

Audience

Commercial intent35/100
Comments asking for links, prices or where to buy
Sentiment75/100
Positive share of 50 comments
Engagement2.0%
Likes and comments per view on recent videos
Audience asks aboutwhich meteor showers and celestial events are visible this weekwhat camera and telescope gear suits astrophotographyhow to plan a stargazing trip
Age
15%18-24
25%25-34
25%35-44
35%45+
Gender
35%women
65%men
Countries
🇯🇵 Japan95%
LanguagesJapanese 100%

Commercial

0%of the last 50 videos were sponsored
None seenno sponsored videos in the last 50
Brands seen
None yet
Categories promoted
astronomy equipment
Affiliate links
No

Recent videos include a sponsor presentation for the 小海スターパーティ(KSP)2026 event with exhibitors, and a brand ambassador announcement for DWARFLAB, but no formal sponsorship disclosures were found in the last 50 videos.

Suitability GARM Brand Safety Floor + Suitability

Profanitylow
Adultlow
Drugslow
Violencelow
Politicslow

Family friendly
Content is limited to astronomy news, live meteor shower streams and event coverage with no flagged themes.

We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.

Platforms

PlatformFollowersMedian viewsUploads, 90d
YouTube10k94327
X–––

Benchmark score: 40 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers11 / 50
Activity Uploads in the last 90 days27 / 30
Reach Followers on the main platform2 / 20

Recent videos

Last three uploads, latest today.

星空を見よう。宇宙を体験しよう。星空と宇宙のリアルを発信する「天リフVideo」です。 星見の楽しさを動画ならではの形でお伝えしていきます! ★天文リフレクションズについて 日本唯一のWeb専業天文メディア「天文リフレクションズ」では、ガチのマニアからライトな星好きまで、天文ファン500万人化を目指して幅広く情報を発信中です! ◆「天リフNews」 https://reflexions.jp/tenmon/ ◆「天リフOriginal」 https://reflexions.jp/tenref/orig/ ◆「天リフNavi」 https://reflexions.jp/tenref/navi/ ※Twitterのフォローもお願いします! https://twitter.com/tenmonReflexion
天リフVideo's own profile description on YouTube

Are you 天リフVideo? Claim or remove this profile.

About 天リフVideo

天リフVideo is the video channel of Tenmon Reflexions, a Japanese web-based astronomy media outlet. According to the channel's public data, it posts long live-stream programs covering astronomy news, meteor shower broadcasts, night sky photography and event coverage, usually several times a week. Its audience appears to be Japanese amateur astronomers and stargazers, though this is an estimate based on topics and language.

The channel has about 10,400 subscribers and a median of roughly 900 views per video, with occasional spikes during major events such as the August 2026 Perseids stream. Its website, reflexions.jp, describes the outlet as a site for astronomy fans from casual to serious, which the channel's programming reflects.

A sponsored integration is estimated at $150 to $250 per video, equal to roughly $20 to $35 CPM on median views. This compares with typical paid ad CPMs of $10 to $30. Brands selling telescopes, cameras or astronomy events should consider this channel.

Written from 天リフVideo's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. 天リフVideo can edit or remove this page at any time.

Questions about 天リフVideo

How much does 天リフVideo charge for a sponsored video?

Estimated at $150 to $250 per video, based on about 900 median views and the $20 to $35 CPM rule for long-form channels. The channel has no confirmed rate card, so confirm pricing directly with the creator.

What does 天リフVideo post about on YouTube?

The channel posts live streams about astronomy news, meteor showers, night sky photography and astronomy events, mostly in Japanese. It also covers exhibitor presentations for stargazing events.

How do I contact 天リフVideo for a brand deal?

Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked directly.

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