Alan Chu’s Workshop
This site is my “workshop” more than a
webpage. It is best viewed via broadband network
Contact me: mca@netvigator.com (Alan Chu 朱永鴻)
Photographic
Moon Book 攝影月圖
Version 3.2 Download
(PDF, 106 MB)
Minor update in 2008 April
The PDF
takes few minutes to download in
mirror is maintained by the courtesy of Whitepeak Observatory,
which is more readily accessible to North American readers at
http://www.cityastronomy.com/moonbook-mirror.htm.
Contact me for a CD copy if necessary.
l
Brief History of Lunar Mapping (WORD, 200 KB)
l
Lunar Science 趣味月球學 (Chinese
Powerpoint, 16 MB)
l
Determination of Lunar Surface Heights (Word, 1 MB)
l
Copernicus_dome_080415.jpg (84 KB)
l
Vallis Schrödinger by Chang’e-1 lunar
probe (Chinese Word, 150 KB)
For Moon observers with geologic mind
Two books in hard covers are available from
e-purchase:
Lunar Orbiter Photographic Atlas of the Near
Side of the Moon, C. J. Byrne, 2005.
The Far Side of the Moon, A Photographic Guide,
C. J. Byrne, 2008.
The book photos are free of scanning artifacts
and with geologic annotation.
Classic
Refractors
Lick_36in_refractor_050220_85pct.jpg
Outburst
of Comet 17P / Holmes
It has grown to 1.1 solar diameter on 2007 Nov 09
Comet_17P_071109_1708UT_50pct.jpg (Telephoto lens)
Comet_17P_071109_1508UT_50pct.jpg (8cm f/5 refractor)
Comet_17P_071109_1508UT_StarOccultation.jpg
Mercury Transit in 2006
Sunrise_sequence_2006Nov09.jpg
Mercury_Transit_061108-09_a.jpg
Mercury_Transit_061108-09_b.jpg
Mercury_Transit_061108-09_c.jpg
All captured in
Mars 2005
P050704a.jpg (Dia. 9.5 arcsec, 10-in Newtonian)
P050705b.jpg (Dia. 9.6 arcsec, 6-in f/8 Newtonian)
P050719a.jpg (Dia. 10.4 arcsec, 10-in Newtonian)
P050822a.jpg (Dia. 13.2 arcsec, 10-in Newtonian)
Mars, from 2005 July 04 to August 22
P050906a.jpg (Dia. 14.8 arcsec, 10-in Newtonian)
P050930a.jpg (Dia. 17.8 arcsec, 10-in Newtonian)
P051006a.jpg (Dia. 18.5 arcsec, 10-in Newtonian)
P051010a.jpg (Dia. 19.0 arcsec, 10-in Newtonian)
P051014a.jpg (Dia. 19.4 arcsec, 10-in Newtonian)
P051019a.jpg (Dia. 19.8 arcsec, 10-in Newtonian)
P051019b.jpg (Mars image resized by 200 %)
Mars_madness_051019c.jpg
(Mars madness !)
P051023a.jpg (Dia. 20.0 arcsec, 10-in Newtonian)
P051025a.jpg
(Dia. 20.1 arcsec, Dust storm)
P051028a.jpg (2 days before closest encounter)
Mars_DustStorm_2005Oct25_28.jpg
Mars, from
2005 Sept 09 to Oct 28
P051102a.jpg (Dia, 20.1 arcsec, 5 days before opposition)
P051103a.jpg (Dia. 20.1 arcsec, 4 days before opposition)
P051104a.jpg
(Dia. 20.0 arcsec, 3 days before opposition)
P051105a.jpg (Dia.
20.0 arcsec, 2 days before opposition)
P051106a.jpg
(Dia. 19.9 arcsec, 1 day before
opposition)
Mars_CraterSchiaparelli.jpg (Largest crater on Mars)
P051109a.jpg
(Mars, 2 days after opposition, very bad seeing)
P051111a.jpg
(Mars, Dia.19.6 arcsec, good
seeing)
P051116a.jpg
(Mars, Dia.19.0 arcsec, bad seeing)
P051119a.jpg
((Mars, Dia.18.6 arcsec, windy)
P051202a.jpg
(Mars, Dia.16.6 arcsec)
Mars
2003
Map of Mars (火星地圖)
Mars_SP_2003.jpg (White Cap in South Pole 南極冠的變化)
Mars_MonsOlympus_2003.jpg (Mons Olympus 奧林匹斯火山)
P030713a.jpg (10-in f/6 Newtonian)
P030826a.jpg (ETX90 Maksutov)
P030827a.jpg (10-in f/6 Newtonian)
P030829a.jpg (FS128 refractor)
P030830b.jpg (FS102 refractor)
P030909a.jpg (10-in f/6 Newtonian)
P030909b.jpg (3-in refractor)
Town Mars in Pennsylvania, USA (2003 pictures)
Mars
2001
P010622a.jpg (C9 SCT, afocal imaging)
Mars in 1956, 1971 & 1986 (Text in Chinese)
Jupiter
2005
Jupiter_050706a.jpg (Orion 6-in f/8 Newtonian)
The
Sun in whitelight
Sunspot69_sequence.jpg (AR 69)
Sunspots_big_000922_031025.jpg
S030530a.jpg (AR365)
S031025b.jpg (AR486)
S040725a.jpg(AR652)
S041027a.jpg (AR687)
S041102a.jpg (AR693)
Sunspot_2005Nov18_21.jpg (AR822)
Sunspot_051122a.jpg (AR822,
quick change of shape in 24 hrs! )
Sunspot_051123a.jpg (AR822)
Sunspot_2005Nov22_24.jpg (AR822)
Sunspot_051202a.jpg (AR826 & AR828)
Sunspot_051203a.jpg
(AR826)
S070319_solareclipse_6frames.jpg
(partial solar eclipse, 2007 Mar 19)
2004
Venus Transit
2004Venus Transit_position angles.jpg
2004Venus Transit_blackdrop.jpg
2004Venus Transit_sunset_1.jpg
2004Venus Transit_sunset_all.jpg
Other
astro stuff
l Amateur Astronomy in Hong Kong – A Brief History (WORD format, 5 MB)
It covers Year 1945 to 2001
only.
l Chinese Astronomy 1982 - 1992 (中國天文學在前進 1982 -1992)
34-min video documentary, PAL, dubbed in DVD with Mandarin &
English narration.
l A collection about the history of HK astronomy before WW II (Word, 760 KB)
l 中國古代的星官和曆法 (Chinese Word, 2.4 MB)
l
牽星術 (Chinese Word, 500
KB)
l X-射線天文學 - 簡介 (Chinese Word, 350 KB)
l X-ray Binaries (Word, 210 KB)
l If you are interested in extrasolar planets (Word, 300 KB)
l Demotion of Pluto by IAU (Word, 40 KB)
l An experience with mini equatorial mount Tak-TGSE (Word, 0.5 MB)
l Eyepiece Adapter for ToUcam Imaging (Jpg)
l 《大眾天文學在中國》 (Chinese translation of Flammarion’s Astronomie Populaire (Jpg)
l 生活中的天文 (Chinese Word)
l A talk on Lantern Festival + Lunar Eclipse (2007Mar03, Chinese Powerpoint, 0.5 MB)
l McNaught彗星的尾巴和軌道 (Chinese Word, 360 KB)
l 天文愛好者的寶貝 ¾ 望遠鏡 (Chinese Powerpoint, 12 MB)
l 沙羅食周 (Chinese Word, 0.5 MB)
l 地球倒數 (Chinese Word, 42 KB)
l 笑問牽牛與織女，是誰先過鵲橋來 (Chinese Word, 320 KB)
l 地球的南、北磁極究竟在那裡? (Chinese Word, 170 KB)
l 類星體 Quasar 和 耀變體 Blazar (Chinese Word, 0.6 MB KB)
l 沒有透鏡的時代 (景符、象限儀) (Chinese Word, 450 KB)
l 西方曆法簡介 (儒略曆、格里曆、JD、閏秒) (Chinese Word, 380 KB)
l
Notes on Machu Picchu in Peru
(Word, 0.7 MB)
l
從月震想到地震
(Chinese Word, 410 KB) New
My
other stuff 情意集
l A passion of classical performing arts, when they were not contaminated by computers.
Movie.xls (Excel format)
Classical_CD_Video.xls (Excel format)
l 有情還是無情 (2006.07.13)
l 忘年君莫笑•重拾赤子心 (2006.10.08)
l The Dingdong of HK Star Ferry, 1959 (1.6MB, Windows Media Player format)
l 真人真事 --- 主僕之間的真愛 (2006.11.23)
l A diary --- 偷得浮生半日閒 (bilingual, 2006.12.09)
l 恭喜恭喜 (2007 Feb)
l 周璇和月亮
l Lanterns in NW-Hotel, 1979 (reprocessed)
l 和天有關的詩詞 (2007.03.30)
l 紀 戴文賽先生 (2007.04.03)
l
乘風破浪•獅子山下 (2007.06.21)
l
My first telescope (2007.06.28)
