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LT
週四 11 4月, 2019 12:10
版面: 天文攝影 Astrophotography
主題: M67 and M96 taken in Yuen Long last night
回覆: 2
觀看: 307

M67 and M96 taken in Yuen Long last night

昨晚天氣其實是頗差的,天空7成區域有雲,但因快南下,所以也要進行測試 Vixen AP mount 行 goto 功熊 + automated image capture with SGPro。 原本想測試不做任何 star alignment,用 "秘技二" 促成 AP mount 直接 go to 去 M67 + platesolve 開始所編定的 automated image capture sequence。可是北極星天區一直被雲遮擋,北極星不能看見,不能用極軸望遠鏡準確對極。沒辦法,唯有用 "秘技三" 用小犬座主星 Procyron 來對極,需不能很準確,但估計對極誤差是小於1度。...
LT
週一 01 4月, 2019 12:24
版面: 天文攝影 Astrophotography
主題: 請天公給點機會好嗎
回覆: 2
觀看: 156

請天公給點機會好嗎

影M51的季節又到了,希望可以用新的攝影流程方法和新系統試試拍攝效果

單張曝光 240s @iso800 @PTC
Taken with Vixen VC200L + reducer + unmodified 6D @1280mm F6.4
Autoguided with Vixen SX2 mount + 5cm guiding scope + Lodestar X2 + PHD
M51_VC200L_240s.jpg
M51_VC200L_240s.jpg (1.18 MiB) 已瀏覽 156 次
LT
週五 29 3月, 2019 22:08
版面: 達氏望遠鏡
主題: 測試 AP mount 行 goto 執行深空天體攝影
回覆: 2
觀看: 411

測試 AP mount 行 goto 執行深空天體攝影

Vixen AP mount 本身不是goto類型赤道儀,但網上有人分享用 Star Book Ten controller 控制 AP mount 行 goto 功能。於是 DIY了一條 AP 接 Star Book Ten 的連接線,也嘗試能否成功今 AP mount 執行 goto 功能,並初步成功。跟著想試能否用SGPro控制AP mount執行深空天體全自動攝影。 昨晚黃昏睛,於是便趕回家晚飯,飯後便立即趕回YL進行測試。儀器組裝完後發覺欠帶Ethernet adapter + Lan cable,結果不能測試用SGPro控制AP mount執行深空天體全自動攝影,只有用最基本的go...
LT
週四 07 3月, 2019 00:44
版面: 天文攝影 Astrophotography
主題: 歡迎瀏覽我的個人網頁
回覆: 4
觀看: 271

歡迎瀏覽我的個人網頁

即將登 6,一切在倒數中。所以將過往的攝影經歷,逐步記錄在我的個人網頁中 (www.william-lt-5.com),仍未完成,只剛剛開始,若有興趣,請多多瀏覽。

1. 第一次使用DSLR
www.william-lt-5.com/1st-time_DSLR.htm

2. M42 project
www.william-lt-5.com/M42-project.htm

建議到以上連結看分享及大圖。
1st-time_Image_01.jpg
1st-time_Image_01.jpg (445.64 KiB) 已瀏覽 271 次
M42_Final.jpg
M42_Final.jpg (309.15 KiB) 已瀏覽 271 次
LT
週一 25 2月, 2019 22:00
版面: 天文攝影 Astrophotography
主題: 意想不到
回覆: 5
觀看: 270

Re: 意想不到

One RAW has been uploaded on my homepage for your reference, and welcome to take a look if interested.
LT
週一 25 2月, 2019 21:58
版面: 天文攝影 Astrophotography
主題: 意想不到
回覆: 5
觀看: 270

Re: 意想不到

Eddy So 寫:
週一 25 2月, 2019 20:09
[Good Job] [Good Job]
Thanks.
LT
週一 25 2月, 2019 21:58
版面: 天文攝影 Astrophotography
主題: 意想不到
回覆: 5
觀看: 270

Re: 意想不到

anyone 寫:
週一 25 2月, 2019 18:03
[Good Job]
Thanks.
LT
週一 25 2月, 2019 10:31
版面: 天文攝影 Astrophotography
主題: 意想不到
回覆: 5
觀看: 270

意想不到

上個月,有幾晚的大氣透明度不差,但病了,不能到PTC攝星,只可在YL老家測試老mount SXD的操作和自動導星表現。因只作測試,ED81SII折射鏡子沒裝上任何像場修正器 SD reducer HD kit;構圖亦很隨意。 亦因只作測試,曝光時間也不刻意特別長,總曝光時間也不到1小時。但意想不到,YL老家光害那麼嚴重下,雖然很勉強,都能拍到M42主體外圍的暗淡星雲!!! Taken with Vixen ED81SII apo refractor + 100Da + SXD mount, and Highly recommended going to the link below for a...
LT
週五 15 2月, 2019 22:45
版面: 天文攝影 Astrophotography
主題: HDR version of M42
回覆: 5
觀看: 271

HDR version of M42

Try again on playing HDR in PS. Taken with Vixen AX103S + 0.7x reducer + 100Da @578mm F5.6 in 2003 @PTC Total exposure = 9x480s + 9x60s @iso 800 Autoguided with Vixen SX2 mount Firstly processed in PI with DBE, PCC tools and then final touch in PS for HDR composition and adjustment with Level, Curve...
LT
週五 08 2月, 2019 11:28
版面: 天文攝影 Astrophotography
主題: M42 project
回覆: 3
觀看: 236

M42 project

M42, an object I take every year in Hong Kong and have been imaging for more than 10 years. So, recently I started an attempt to combine all the images taken with different scopes and DSLRs, which I call it as M42 project, to see what the result will come out. That is the first attempt of combining ...
LT
週四 24 1月, 2019 12:56
版面: 天文攝影 Astrophotography
主題: Winter milky way taken in 2016
回覆: 1
觀看: 164

Winter milky way taken in 2016

極端天氣已加快頻率出現!去年袋鼠國已多處打破最熱紀錄,今年更再破紀錄中........ 有台灣同好會2月前往中部沙漠看紅石。OMG!!!午間超過50度的氣溫怎樣過??? 2016年復活節到過Tennant Creek,日間氣溫超過40度已感很辛苦。超過50度的,真不敢想像了。即使午夜前,氣溫也在30度以上。 單彈曝光240s @iso1250,no dark, bias and flat calibrated Taken with modified 5D2 + EF8-15mm F4L @15mm F4 Unguided with Vixen Polarie 這麼熱,沒有冷凍,熱訊與星星,已熔...
LT
週五 04 1月, 2019 09:56
版面: 天文攝影 Astrophotography
主題: M33 from PTC last year
回覆: 4
觀看: 425

M33 from PTC last year

All the RGB data were taken at 3 different nights last year. However, due to the unstable weather conditions with interference of crossing cloud, quality of each sub-frames varied frame by frame. Just want to see what the result would come out, and so didn't use sub-frame selector in PI to select th...
LT
週五 21 12月, 2018 22:59
版面: 天文攝影 Astrophotography
主題: 飛奔太空中
回覆: 3
觀看: 385

飛奔太空中

Taken with Vixen Baby Q (FL55SS + HD reducer kit) + 100Da @237mm F4.3
15 x 180s @iso1600, autoguided on comet with Vixen AP non-goto mount
Stacked and processed in PI

究竟46P有尾定無尾呢?
46P_15x180s.jpg
46P_15x180s.jpg (819.84 KiB) 已瀏覽 385 次
LT
週一 17 12月, 2018 23:20
版面: 天文攝影 Astrophotography
主題: Test shot of 46P
回覆: 2
觀看: 329

Test shot of 46P

Bad luck to me again. Stayed 3 nights in Taiwan last week but only had about 1 hr of cloudless sky in total for imaging. Taken with Vixen Baby Q + reducer HD kit + 100Da Single shot of 46s @iso1600 Unguided with Vixen AP non-goto mount No dark, bias and flat calibrated Processed in PS Comet_46P_46s....
LT
週三 05 12月, 2018 13:27
版面: 天文攝影 Astrophotography
主題: Super Nova in M77 taken in YL last night
回覆: 2
觀看: 250

Super Nova in M77 taken in YL last night

Conditions were very terrible. Cloud kept flying by and severe light pollution at that spot.

Taken with Vixen VC200L @1800mm F9
L channel only = 5 x 120s, autoguided with Vixen AXJ mount in RA direction only

Stacked and processed in PI with bias and dark calibrated only.
M77-SN_5x120s_YL.jpg
M77-SN_5x120s_YL.jpg (415.98 KiB) 已瀏覽 250 次

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