香港天文論壇

Blue Magpie
26-02-2021
Canon 60Da EF 200 2.8L 1.4x Extender
f/4 ISO 500 1/800s X 1
JasonLai@Tuen Mun, HK.

Asian Brown Flycatcher
26-02-2021
Canon 60Da EF 200 2.8L 1.4x Extender
f/4 ISO 320 1/640s X 1
JasonLai@Tuen Mun, HK.

Bombax ceiba and a bee
26-02-2021
Canon 60Da EF 200 2.8L 1.4x Extender
f/4 ISO 640 1/1000s X 1
JasonLai@Tuen Mun, HK.
|Image cropped

Bombax ceiba
26-02-2021
Canon 60Da EF 200 2.8L 1.4x Extender f/4
ISO 320 1/1000s X 1
JasonLai@Tuen Mun, HK.

Galaxies on Virgo (Markarian's Chain in the center)
16-02-2021
Canon EOS Ra Astronomik CLSCCD
EF 200 2.8L f/4
ISO 1600 45s X 36
iOptron SkyTracker
Jason Lai@Tuen Mun, HK
Image Cropped
https://en.wikipedia.org/wiki/Markarian%27s_Chain

The Sombrero Galaxy ~ M104
16-02-2021
Canon EOS Ra Astronomik CLSCCD
EF 200 2.8L f/4
ISO 1600 45s X 31
iOptron SkyTracker
Jason Lai@Tuen Mun, HK
Image Cropped

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

Happy Valentine's Day

Rosetta Nebula
Canon EOS Ra Astronomik CLSCCD EF 200 2.8L
14-01-2021 f/3.5
ISO 1600 25s X 25
06-02-2021 f/4
ISO 1600 25s X 43
iOptron SkyTracker
Jason Lai@Tuen Mun, HK

NGC2024 and IC434 and M42 and M43 Flame Nebula and Horse Head Nebula and Great Nebula in Orion
05-02-2021
Canon EOS Ra Astronomik CLSCCD
EF 200 2.8L f/4
ISO 1600 25s X 60
iOptron Sky Tracker
Jason Lai@Tuen Mun, HK.

Thanks all


Rosetta Nebula
06-02-2021
Canon EOS Ra Astronomik CLSCCD
EF 200 2.8L f/4
ISO 1600 25s X 43
iOptron SkyTracker
Jason Lai@Tuen Mun, HK
Image Cropped

光害中的船底座大星雲

NGC 3372 - The Eta Carinae Nebula
06-02-2021
Canon EOS Ra, Astronomik CLSCCD
EF 200 2.8L @f/4
ISO 1000 25s X 80
iOptron Sky Tracker
Jason Lai@Tuen Mun, HK.

Seagull Nebula- IC2177
05-02-2021
Canon EOS Ra
Astronomik CLSCCD
EF 200mm 2.8L f/3.5
ISO 1600 25s X 48
iOptron SkyTracker
Jason Lai@Tuen Mun, HK.
左下影到 NGC2359 雷神的頭盔

Orion
05-02-2021
Canon EOS Ra
Astronomik CLSCCD
Sigma Art 50 1.4 @f/2.8
ISO 1000 30s X 30
iOptron SkyTracker
Jason Lai@Tuen Mun, HK.

Thanks all.


Jupiter and its moon
07-08-2020
Celestron 8 SCT w/ 3x barlow
ASI120MC-S ~3500 frames
CG-5 Jason
Lai@Tuen Mun, HK

Retouch on 01-02-2021

Moon - Vendelinus (crater) 17-01-2021 Celestron 8 SCT w/ 3X barlow ASI120MC-S ~2100 frames CG-5 Jason Lai@Tuen Mun, HK. 文德利努斯環形山 1935年被國際天文聯合會正式批准接受以1651年由喬萬尼·巴蒂斯塔·里喬利取自佛蘭芒天文學家戈德弗羅伊·文德利努斯 (Godefroid Wendelin) 名字命名 位於豐富海(Mare Fecunditatis)東部邊緣, 朗倫環形山Langrenus 以南 東南方是培特威物斯環形山(Petavius). 隕坑內地表平坦,沒有中央峰,...