香港天文論壇

keithsok 寫: ↑

週三 10 5月, 2017 22:58

Hi Wah C Hing

Any monochrome model?

Keith

Yes, ASI290MM is the mono version. The price would be RMB2280.

funoooo 寫: ↑

週三 10 5月, 2017 10:51

ASI290 MC 是否 cooled 版?

不是cooled 的版本, 若你需要, 亦可以優惠.

ZWO ASI071MC 優惠團購 https://astronomy-imaging-camera.com/wp-content/uploads/071-600X600-460x460.png Sensor: SONY IMX071 CMOS Diagonal: 28.4mm Resolution: 16Mega Pixels 4944X3284 Pixel Size: 4.78μm Bayer Pattern: RGGB Max FPS at full resolution :10FPS Shutter:Rolling shutter Exposure Range: 64μs-2000s ...

15X70 雙筒望遠鏡, 各邊的光學都正常, 無霉, 但兩軸有歪. 適合拆開DIY做折射或觀鳥鏡 (HKD$100)

微型机床六合一 (己出)

3個雙筒物鏡拆件 (免費)

Never too late, just go go go!

1.Cyrus1126 (signature)
2.hk
3.ham(請簽名)
4.Occultation (請簽名)
5.Voyager (signature)
6. zero (請簽名)
7.Wah! (signature)

1.cyrus1126(signature)
2.ham (請簽名)
3. hk (請簽名)
4. Voyager (signature)
5. zero (請簽名)
6.Wah! (signature)

1.cyrus1126(signature)
2.Voyager (signature)
3.zero (signature)
4.Wah! (signature)

1.cyrus1126(signature)
2.Voyager (signature)
3.zero (signature)
4.Wah! (signature)

開始緊張預備...

無試過長時間曝光, 所以都唔清楚呢

20170127 大年三十 UVenus

NASA擁有月球岩石樣本和月震的第一手資料, 如果連NASA官方資料都覺得信唔過, 又憑什么認為有其他資料來源是更可靠呢?

https://en.wikipedia.org/wiki/Apollo_20_hoax

In truth, Apollo 20 was a mission that never got off the ground—literally. It was one of three lunar missions NASA cancelled due to lack of funding along with Apollo missions 18 and 19. The last NASA lunar mission was Apollo 17, launched in 1972.

>> "而我說的是也有科學家用太空船碰撞月面測量月球，發覺月球是空心。"

資料來源? 可靠度?