Taken with EF24-70mm F2.8L II + 5Da @24mm F2.8
Single shot of about 180s, unguided with Vixen Polarie star tracker
Without any calibration and processed in PS
- MW_5Da_IMG_5854.jpg (1.39 MiB) 已瀏覽 34 次
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- 週一 27 1月, 2020 09:39
- 版面: 天文攝影 Astrophotography
- 主題: Another Milky Way shot taken in 2015
- 回覆: 6
- 觀看: 106
Re: Reprocessed Milky Way taken in NZ in 2008
Another milky way taken in 2015 down south
Taken with EF24-70mm F2.8L II + 5Da @24mm F2.8
Single shot of about 180s, unguided with Vixen Polarie star tracker
Without any calibration and processed in PS
Taken with EF24-70mm F2.8L II + 5Da @24mm F2.8
Single shot of about 180s, unguided with Vixen Polarie star tracker
Without any calibration and processed in PS
- 週一 27 1月, 2020 09:35
- 版面: 天文攝影 Astrophotography
- 主題: Another Milky Way shot taken in 2015
- 回覆: 6
- 觀看: 106
- 週日 26 1月, 2020 19:11
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集 -- M53 , 2nd post today
9. M13 It is a big surprise that the very little galaxy can be captured with DSLR under a heavily light polluted night sky in YL area. Thanks to the very high transparency at that night. However, for a non-cooled DSLR, thermal noise is still a very big issue, if temperature > 20C. So, the RAW data w...
- 週日 26 1月, 2020 18:58
- 版面: 天文攝影 Astrophotography
- 主題: 近期使用雙子台BOSMA150馬卡拍攝嘅深空天體
- 回覆: 7
- 觀看: 100
![[Good Job]](./images/smilies/onion_d5f02ecd.gif "Good Job")
- 週五 24 1月, 2020 09:19
- 版面: 天文攝影 Astrophotography
- 主題: Another Milky Way shot taken in 2015
- 回覆: 6
- 觀看: 106
Another Milky Way shot taken in 2015
EF85mm + 350Da, unguided with GP mount
exposure of each subs = 60s @iso400
exposure of each subs = 60s @iso400
- RHO_350Da_ABE_PCC_PS.jpg (1.18 MiB) 已瀏覽 106 次
- 週三 22 1月, 2020 23:04
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集 -- M97 posted on Jan 22nd
8. M53
Taken with DIY 6" F5 Newtonian + MPCC + 300Da in TMS, HK in 2009 @750mm F5
10x240 @iso400, autoguided with Vixen SXD mount
Taken with DIY 6" F5 Newtonian + MPCC + 300Da in TMS, HK in 2009 @750mm F5
10x240 @iso400, autoguided with Vixen SXD mount
- M53_6F5_TMS.jpg (572.52 KiB) 已瀏覽 108 次
- 週三 22 1月, 2020 09:32
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集 -- Pac Man posted on Jan 21st
7. M97
Taken with DIY 6" F5 + MPCC + 300Da from TMS in 2009 @750mm F5
Autoguided with Vixen SXD mount
Taken with DIY 6" F5 + MPCC + 300Da from TMS in 2009 @750mm F5
Autoguided with Vixen SXD mount
- M97_crop.jpg (129.99 KiB) 已瀏覽 145 次
- 週二 21 1月, 2020 12:22
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集 -- Leo Triplet posted on Jan 19th
6. NGC281
Taken with DIY 6" F5 Newtonian + MPCC + 300Da in PTC in 2010 @750mm F5
13x180s @iso800, autoguided with Vixen SXD mount
SN ratio very low. Moreover, no dark, no bias, no flat calibrated in DSS. So, deleted too.
Taken with DIY 6" F5 Newtonian + MPCC + 300Da in PTC in 2010 @750mm F5
13x180s @iso800, autoguided with Vixen SXD mount
SN ratio very low. Moreover, no dark, no bias, no flat calibrated in DSS. So, deleted too.
- NGC281_300Da_13x180s_iso800.jpg (729.43 KiB) 已瀏覽 183 次
- 週一 20 1月, 2020 14:01
- 版面: 二手交易場 Second Hand Area
- 主題: Vixen Polarie for sale
- 回覆: 0
- 觀看: 115
Vixen Polarie for sale
除舊迎新 Vixen star tracker，全套放售價HK$3200。
含Polarie star tracker, 原廠 第一代 Polarie 極軸鏡， 工廠製極軸調校座，DIY EQ 平衡 kit 及 約1kg 重小型銅製平衡鍾 (made by me)。Star tracker body 有少量使用痕跡，功能100%運作正常。
有意者請PM、回貼或whatsApp本人，謝謝。
含Polarie star tracker, 原廠 第一代 Polarie 極軸鏡， 工廠製極軸調校座，DIY EQ 平衡 kit 及 約1kg 重小型銅製平衡鍾 (made by me)。Star tracker body 有少量使用痕跡，功能100%運作正常。
有意者請PM、回貼或whatsApp本人，謝謝。
- Polarie-set_IMG_0459.jpg (752.62 KiB) 已瀏覽 115 次
- 週日 19 1月, 2020 14:23
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集 -- M94 posted at 20200118
5. Leo Triplet Taken with Vixen R200SS (20cm F4) Newtonian + MPCC3 + Atik 383L mono in PTC in 2017 @800mm F4 LRGB = 11x360s : R=G=B=4x240s @binning 2x2, combined in PI Autoguided with Vixen SX2 mount So many donuts!! I think no one would like them on the image. So, deleted. Leo-triplet_LRGB.jpg
- 週六 18 1月, 2020 08:22
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集 -- M1
4. M94 Taken with Vixen R200SS (20cm F4) Newtonian + MPCC3 + Atik 383L mono in PTC @800mm F4 LRGB = 10x240s : R=G=B=4x240s @binning 2x2, combined in PI Autoguided with Vixen SX2 mount It is quite challenging to shoot galaxies in Hong Kong due to the night sky is so light and air polluted. M94_LRGB_c...
- 週五 17 1月, 2020 13:19
- 版面: 二手交易場 Second Hand Area
- 主題: Vixen SD103S OTA for sale (RESERVED)
- 回覆: 0
- 觀看: 155
Vixen SD103S OTA for sale (RESERVED)
因擁有的望遠鏡實在太多，到海外旅攝又只能帶ED81S或FL55SS(Baby VSD)。現時在本地亦多數用牛頓反射鏡，所以這支SD103S已很少用了。曰後在本地若再用折射鏡攝星，又有可能會 upgarde上130mm或甚至150mm口徑的。其實這支折射鏡質素很好，但與其閒置少用，倒不與讓她改嫁他人吧。 103mm F7.7 apo 折射鏡 (使用一片SD玻璃，焦距795mm)，OTA重約3.6kg 100% 日本製造，鏡筒，鏡面狀態條件極好，放售價 HK$7200. (全新價 $10780.), 包 tube rings及 未使用過 illumated 7x50 star finder 及 2...
- 週四 16 1月, 2020 22:22
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集
3. M1
Taken with DIY 30cm F4 Newtonian + paracorr + Atik 383L+ mono in PTC
LRGB combined in PI
Autoguided with Vixen AXD mount
(當見到星點好似雞蛋般大，就知道seeing有幾好........差呢!!!)
Taken with DIY 30cm F4 Newtonian + paracorr + Atik 383L+ mono in PTC
LRGB combined in PI
Autoguided with Vixen AXD mount
(當見到星點好似雞蛋般大，就知道seeing有幾好........差呢!!!)
- M1_LRGB_crop.jpg (643.13 KiB) 已瀏覽 401 次
- 週四 16 1月, 2020 22:16
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
Re: DSO 遺照集
2. M104
Taken with Vixen VC200L + reducer + 1600MM in PTC in 2018 @1280mm F6.4
R:G:B = 1x240s : 1x240s : 1x240s
No dark, no bias, no flat calibrated
Taken with Vixen VC200L + reducer + 1600MM in PTC in 2018 @1280mm F6.4
R:G:B = 1x240s : 1x240s : 1x240s
No dark, no bias, no flat calibrated
- M104_RGB_crop.jpg (796.43 KiB) 已瀏覽 402 次
- 週四 16 1月, 2020 22:13
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- M13 posted today
- 回覆: 16
- 觀看: 429
DSO 遺照集 -- M13 posted today
這個相簿集的名明看起來是不是有點嚇人？但又是事實呀。 話說這麼多年來拍下了不少數據，但很多都塵藏於硬碟肉未曾處理過。有些是較好的，但也有不少的質素是不佳的。踏入2020年後，我在業餘天文攝影上將會有轉變，所以便下定決心 ==> 除舊，重新上路。 但又覺得就這樣將質素不佳的 data 直接地從硬碟中 "永久地" 刪除，好像對記錄了下來的 data 有點不尊重，所以想在他們 "灰飛煙沒" 前，來一個簡簡單單的處理，露一露面，輯成一個相集，方便瞻仰遺容。 1. NGC5139 Color data l: taken with EF400mm F5.6L + 40Da in Australia @F5...