Date: 31-July-2010
Time: 02:35
Object: Ring Nebula
Scope: Skywatcher MK127
Camera: Nikon D300s (Liveview focus)
No AutoGuider
ISO: 3200
Shutter speed: 12s
Original size: 4288 x 2848
Single JPG.
2010-07-31 Ring Nebula (Poor version)
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2010-07-31 Ring Nebula (Poor version)
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- DSC_3780.JPG (460.13 KiB) 被瀏覽 5420 次
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Lewis - 文章: 380
- 註冊時間: 2010-02-03, 07:52
Re: 2010-07-31 Ring Nebula (Poor version)
由 社長 » 2010-08-01, 13:58
很好的嘗試，不如多拍數張疊加反及稍延長曝光時間，例如30x30s，星雲會更顯現的。
昨天跟Willis一起去拍了? 今晚出動否? 我準備好了
昨天跟Willis一起去拍了? 今晚出動否? 我準備好了
兩個天文台 - 白鷺湖天文台、西藏自動化天文觀測站
主鏡 - Officina Stellare 500 口徑f3.8 RiFast攝星儀、APM/TMB 254 f9 APO、SkyWatcher Dob 18、305 f8.5 牛頓鏡、Paramount ME 赤道儀
配件 - 2 full sets of Supermonocentrics、Baader Mark V Binoviewer、Ethos、Canon 5D Mark II Mod、FLI Proline 16803冷凍相機、Mercedes SUV
星河科研社 http://www.astro.hk 電郵 saviofong@astro.hk
主鏡 - Officina Stellare 500 口徑f3.8 RiFast攝星儀、APM/TMB 254 f9 APO、SkyWatcher Dob 18、305 f8.5 牛頓鏡、Paramount ME 赤道儀
配件 - 2 full sets of Supermonocentrics、Baader Mark V Binoviewer、Ethos、Canon 5D Mark II Mod、FLI Proline 16803冷凍相機、Mercedes SUV
星河科研社 http://www.astro.hk 電郵 saviofong@astro.hk
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社長 - Site Admin
- 文章: 12686
- 註冊時間: 2010-02-01, 14:17
- 來自: 香港
Re: 2010-07-31 Ring Nebula (Poor version)
由 willis » 2010-08-01, 21:04
Yes! I went imaging with Lewis last night. There are lots of mosquitoes. Remember to prepare for it, long sleeves shirt, long pants & mosquito repeller. I may not join tonight...
Tak FS60C, APM-LOMO 80/480, APM-TMB 105/650, SW Black Diamond 120ED, Borg 125SD, SW 12" Dobs , Lunt LS35T, Lunt LS80T
TMB Super Mono 4mm, Pentax XO 2.5mm, Baader Planetarium 8-24mm, Nagler (2-4mm, 3-6mm, 13mm), Ethos (3.7mm, 6mm, 10mm), Explore Scientific 100º (14mm, 20mm)
DBK 21, DMK 21, DMK 41, DMK 51, ASI 178MC
Nikon D810A, Canon 5D II, Fujifilm X-T10
TMB Super Mono 4mm, Pentax XO 2.5mm, Baader Planetarium 8-24mm, Nagler (2-4mm, 3-6mm, 13mm), Ethos (3.7mm, 6mm, 10mm), Explore Scientific 100º (14mm, 20mm)
DBK 21, DMK 21, DMK 41, DMK 51, ASI 178MC
Nikon D810A, Canon 5D II, Fujifilm X-T10
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willis - 全域版主
- 文章: 1526
- 註冊時間: 2010-02-01, 17:50
- 來自: HK
Re: 2010-07-31 Ring Nebula (Poor version)
由 Lewis » 2010-08-02, 01:51
Date: 31-July-2010
Time: 02:35
Object: Ring Nebula
Scope: Skywatcher MK127
Camera: Nikon D300s (Liveview focus)
No AutoGuider
ISO: 3200
Shutter speed: 12s
Original size: 4288 x 2848
11 JPG (DSS).
Time: 02:35
Object: Ring Nebula
Scope: Skywatcher MK127
Camera: Nikon D300s (Liveview focus)
No AutoGuider
ISO: 3200
Shutter speed: 12s
Original size: 4288 x 2848
11 JPG (DSS).
- 附加檔案
-
- Ring's Nebula2.jpg (178.27 KiB) 被瀏覽 5401 次
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Lewis - 文章: 380
- 註冊時間: 2010-02-03, 07:52
Re: 2010-07-31 Ring Nebula (Poor version)
由 willis » 2010-08-02, 08:32
This one is less noisy. PS processed?
Tak FS60C, APM-LOMO 80/480, APM-TMB 105/650, SW Black Diamond 120ED, Borg 125SD, SW 12" Dobs , Lunt LS35T, Lunt LS80T
TMB Super Mono 4mm, Pentax XO 2.5mm, Baader Planetarium 8-24mm, Nagler (2-4mm, 3-6mm, 13mm), Ethos (3.7mm, 6mm, 10mm), Explore Scientific 100º (14mm, 20mm)
DBK 21, DMK 21, DMK 41, DMK 51, ASI 178MC
Nikon D810A, Canon 5D II, Fujifilm X-T10
TMB Super Mono 4mm, Pentax XO 2.5mm, Baader Planetarium 8-24mm, Nagler (2-4mm, 3-6mm, 13mm), Ethos (3.7mm, 6mm, 10mm), Explore Scientific 100º (14mm, 20mm)
DBK 21, DMK 21, DMK 41, DMK 51, ASI 178MC
Nikon D810A, Canon 5D II, Fujifilm X-T10
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willis - 全域版主
- 文章: 1526
- 註冊時間: 2010-02-01, 17:50
- 來自: HK
Re: 2010-07-31 Ring Nebula (Poor version)
由 Lewis » 2010-08-02, 09:26
willis 寫:This one is less noisy. PS processed?
Resizing the original images to 50%.
Using DSS stacked, without changing any parameter.
PS: only croping the central area.
LESS NOISY = maybe the resizing effect of the image(s), because they are being averaging during resizing (MAYBE).
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Lewis - 文章: 380
- 註冊時間: 2010-02-03, 07:52
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