Example images taken from Tokyo previously

Click on the individual pictures or titles below to see complete pictures

M51

31cm F5+ TeleConvertor(x1.7) + AO-7 + ST-8XME
L:240mim (without IR blocker)
R:60min, B:60min, (2x2 binning), SBIG filters
LRLB composit.

M1 Crab nebula

31cm F5+ TeleConvertor(x1.7) + AO-7 + ST-7XE
L:120mim (with IR blocker)
R:40min, G,60min, B:80min, (2x2 binning), SBIG filters
LRGB composit.

NGC2261: Variation of Hubble's variable nebula

31cm F5+ TeleConvertor(x1.7) + AO-7 + ST-7ME
L=60mim (with IR blocker),
RGB (2x2 binning): R=10min, G=20min, B=30min, SBIG filters

NGC2392 (Eskimo Nebula)

31cm F5+ TeleConvertor(x1.7) + AO-7 + ST-7ME
R=60mim, G=30min, B=30min, SBIG RGB filters, AO: 8.3Hz

M27 by 31cm + AO-7

L: 31cm F5+ TeleConvertor(x1.7) + AO-7 + ST-7E with Edmound IR Blocker, 60min, AO:5Hz
RGB: 31cm + Teleconvertor(x1.4)+HPC-1, R=20mim, G=30min, B=10min, SBIG RGB filter
The nebula part has been composed on the L-ch of wide view image by HPC-1.

NGC7662

31cm F5 + TeleConvertor(x1.7) + AO-7 + ST-7E
L=10min, R=G=B=5min(Tokai Type III).

NGC7009 C8 vs 31cm Newtonian

Left: C8 +AO-7+ST-7E , reprocessed with CCDSharp
L: 20min (5min x 4) , R=G=5min and B=10min,with Tokai LRGB Type-3 filter.
Right: 31cm F5 + TeleConvertor (F=8.5) + AO-7 + ST-7E
L:60min(5min x 12), R=G=5min, B=10min.

M57 by 31cm Newtonian

31cm F5 + x1.7 tele-convertor + AO-7 (10Hz)+ ST-7E
L=35min, R=10min, G=15min, B=20min

M97 by 31cm Newtonian

L=90min (with x1.7 tele-convertor + AO-7 + ST-7E)
R=B=G=60min (with x1.4 tele-convertor) + HPC-1

M82 by 31cm Newtonian + a new tele-convertor for AO-7
L: 40 min (witn x 1.7 tele-convertor + AO-7 + ST-7E)
R=40min, G=60 min, B=60 min (with x1.4 tele- convertor) + HPC-1
where a new tele-convertor for AO-7 was used.