MEGASTAR-IIA - the large dome orineted Optical planetarium. The first model is installed in Yamanashi Prefectural Science Museum in March 2010. MEGASTAR-IIA is Ultra Bright LED based. It is the first Planetarium projector in the world to apply the Ultral Bright LED lamp for large sized domes.
It is low power consuming machine, yet covers over 20m dome with 20 millions stars as well as over 170 deep sky objects and dozens of individually colored with real magnitudes bright stars.
MEGASTAR-IIA supports autogeometry which makes it easy configurable to work synchronically with digital Planetariums.
MEGASTAR-IIA control is fully computerized. It supports DMX the control of which can be integrated with dome light dimmers and digital planetarium control panel.

MEGASTAR-IIB first model was released in July 2009 and installed in Kanagawa Institute of Technology - Atsugi Children's Science Center. MEGASTAR-IIB is Ultra Bright LED based. It is the first Planetarium projector in the world to apply the Ultral Bright LED lamp for middle sized domes.
It is extremely low power consuming machine, yet covers up to 16m dome with 10 millions stars as well as over 100 deep sky objects and 20 separately projected individually colored bright stars.
MEGASTAR-IIB supports autogeometry which makes it easy configurable to work synchronically with digital Planetariums. MEGASTAR-IIB control is fully computerized. It supports DMX the control of which can be integrated with dome light dimmers and digital planetarium control panel.

Delivers the night sky to your room. The first optical Home Planetarium. It is been said that human can see several thousand stars by naked eye during a dark night. HOMESTAR can produce around 60 thousand stars. falling stars, diurnal movement are available. Delivered with two special star film (stars only, stars with constellation lines). Constellation manual, and a CD.

Release data：August, 2005
Price：20,790 JPY
web site:HOMESTAR Page (In Japanese) http://www.segatoys.co.jp/homestar/

A further improvement of the world’s first optical home planetarium. Decreased distortion near the border of the image, darkness in much improved. Special star films (3 films including colored stars, constellation lines, and a Moon film by KAGAYA).

Release date：December, 2006
Price in Japan：29,925 JPY
web site：HOMESTAR PRO Page (In Japanese) http://www.segatoys.co.jp/homestar/hs_pro.html

Projects beautiful night sky. Manual movements.
2 star films included (with/without constellations)

Release date： March, 2007
Price in Japan：9,975 JPY
web site：HOMESTAR PURE Page (In Japanese) http://www.segatoys.co.jp/homestar/pure.html

Can be used in Bath, and projects nice sky.
Waterproof. Floats on water.
Shows the sky in New Caledonia near the equator. Comes with 3 different covers.

Release date： September,2008
Price in Japan：7,140 JPY
web site：HOMESTAR SPA Page (In Japanese) http://www.segatoys.co.jp/homestar/spa/

The most advanced Home Planetarium of the world first optical Home Planetarium series.
Uses LED Lamp. Included 7 special lenses.
Supported with remote control. Shows the skies according to the time and date. Can be used for educational purposes.
Plenty of configurable settings (rotation speed, timer, brightness etc.). Suitable for individual use, home parties or other events.
Delivered with special star films (monocolored star film, monocolored constellation lines filma and colored film of moon and Earth.)

Release date： December,2008
Price in Japan：60,900 JPY
web site：HOMESTAR Page (In Japanese) http://www.segatoys.co.jp/homestar/

[Original version] [Bargain]

Under full Supervision of the Planetarium Creator Takayuki Ohira, a PSP software using a database of 5 million stars were created.
HOMESTAR Portable produces on the PSP a similar night sky any place in the world at any time including planets, nebulae, clusters (over 300 objects). Constellation lines and figures can be shown as well. When used with a GPS receiver, SPS can configure the time and place automatically.

[Original version]
Release date：2006/10/19
Price in Japan：3,280 JPY
[Bargain]
Release date：2007/11/22
Prince in Japan：1,890 JPY
web site：HOMESTAR PORTABLE PAGE (In Japanese) http://homestar.sega.jp/

An original song collection inspired from space and stars. This CD fits wonderfully when used with SEGA TOYS HOMESTAR products.

Release Date：2007/11/22
Price in Japan：2,310 JPY
web site：SEGA Toys (In Japanese) http://ebten.jp/sega/p/4571164389431/

There is around 10.000 stars brighter than 7th magnitude. Planetarium Creator Takayuki Ohira describes here how to make pin hole planetarium of 10 thousands stars.

Release date：2005/9/26
Prince In Japan：2,200 JPY
Official site (In Japanese)：Gakken

Planetarium Creator Takayuki Ohira’s book. An autobiographical book about his young interest in Planetariums and the troubles and difficulties (technical and personal) he met and overcame on the way of satisfying his passion in creating even more beautiful night sky.

Release date：2005/9/26
Price in Japan：1,890 JPY
Official site (Japanese)：XKnowledge