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2020-12-21

Pleiades Star Cluster (M45)

Pleiades Star Cluster (M45)　 2020-12-20 45 cm F / 4 Newtonian 1 m x 31 frames Sony α7s (HKC) IR / UV cut filter The nebula near Merope is the brightest and has a slightly yellow . 　

2020-12-15

Gemini meteor shower December 14, 2020

Gemini meteor shower 2020-12-14 After midnight, it cleared up from cloudy weather and I caught 25 Gemini groups in 2 hours. A bright meteor of minus 1-2 magnitude f

2020-11-13

C / 2020 M3 ATLAS Comet 2020-11-12

C / 2020 M3 ATLAS Comet 2020-11-12 I observed it with a 45cm reflector, but the comet’s head only looked pale.

2020-11-01

2020-10-31 01:50 (JST) The backlash after the mounting became severe, and adjustments were made. I took a picture of a comet in a bright moonlight night to confirm tracking. Did it recover because the sky in the back was bright and it couldn’t make a long exposure? I didn’t know, but I would like it to work even if it change the location to Cebu Island. You can see the tail in the upper right direction. The comet will move north in the future, and let’s take a picture again when there is no moon!

2020-10-21

Sirius B

Sirius B 2020-10-18 Every autumn, I observe Sirius B (companion star). The main star, Sirius, is bright and it takes some getting used to seeing it with your own eyes. This time I found it at 200 x. If I used a 17 cm eccentric diaphragm as a test, the spider of the reflecting telescope would disappear and the star image would look like refractor, so I also found Sirius B. The point is to see it when the airflow is good! 　

2020-09-16

Pleiades star cluster

Pleiades star cluster 2020-09-13 After imaging Mars, the transparency was good, so I took it for the first time this autumn. There seems to be yellow gas in addition to blue gas near Merope. 45 cm F / 4 reflection. PMCC Mark3. Sony α7s (HKC) iso800 10s x10 frames　There is peripheral dimming and there is trimming

2020-08-15

I think I saw this image in the big telescope!

If you look through the 51cm reflector, you can see the stars in the sky. I could see so many stars, it was amazing!

2020-08-15

Perseid Meteor Shower and Astronomical Observatory

2020-08-12.13 Perseid Meteor Shower and Astronomical Observatory. Tochigi Prefecture Nasu Pass Parking Lot. This is the Tochigi Astronomical Club meeting. The weather is bad, and I’m sorry that there are only 10 from the clouds. Mr. Nakagami, a member, enjoyed a deep sky using his own 51cm doubsonian telescope and the group’s 31cm dobsonian. At 51 cm, M8, 17.18, 27, net nebula, etc. were really, and the colorless image was a masterpiece. It was a celestial object that could be seen if it had a diameter of 51 cm and a good sky.

2020-08-10

C/2020 F3 NEOWISE

C/2020 F3 NEOWISE 2020-06-06 It was a height of 30° in the west, and I managed to watch even with a 45 cm newtonian. Brightness is 6th magnitude, with only the comet’s head and no tail visible.

2020-08-02

C/2020 F3 NEOWISE

C/2020 F3 NEOWISE 2020-07-31 The comet has become dark, but　I can watch a fine tail with binoculars. Moonlight was in the way