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- 週五 29 12月, 2023 23:43
- 版面: 天文話題 Everything about Astronomy
- 主題: 回顧
- 回覆: 2
- 觀看: 743
回顧
每次到年尾就會有什麼什麼回顧, 也就來一個回顧. 回望半世人生, 曾DIY過那些望遠鏡呢? 1. 5cm F20 單鏡片紙筒折射式望遠鏡 2. 8” F5 牛頓式反射望遠鏡 3. 12.5" F6 牛頓式反射望遠鏡 4. 8cm F7.5 消色差折射式望遠鏡 5. 10cm F3.8 消色差射式望遠鏡 6. 10" F6 牛頓式反射望遠鏡 7. 12.5" F5 牛頓式反射望遠鏡 8. 8" F6 牛頓式反射望遠鏡 9. 10" F15 卡式反射鏡 10. 10“ F3.5 牛頓式反射望遠鏡 11. 4.5" F5 牛頓式反射望遠鏡 12. 10" F4.7 牛頓式反射望遠鏡 13. 8" F...
- 週四 28 12月, 2023 00:22
- 版面: 天文攝影 Astrophotography
- 主題: DSO 遺照集 -- NGC7000
- 回覆: 477
- 觀看: 97651
Re: DSO 遺照集 -- M33
168. M33 A combination of L data taken at the beginning of this month this year and RGB data taken in 2018 L data: 35x300s with flat, dark and bias calibrated in PI, Bortle 7-8 Vixen SD115S apo refractor + HD flattener + 1600MM @PTC @908mm F7.9 Autoguided with SXD2 mount RGB data: R=B=G=8x300s captu...
- 週五 15 12月, 2023 00:30
- 版面: 自製天文儀器 diy Astro Equipment
- 主題: LT 的 DIY 及 modified 天文器材配件相片集 -- Mirror set of VMC110L
- 回覆: 68
- 觀看: 15286
Re: LT 的 DIY 及 modified 天文器材配件相片集 --Offset secondary holder
21. Offset secondary mirror holder
Making an offset secondary mirror holder for my travel Newtonian 6" F4.
Making an offset secondary mirror holder for my travel Newtonian 6" F4.
- 週二 05 12月, 2023 23:37
- 版面: 天文話題 Everything about Astronomy
- 主題: Which one do you think looking a bit better
- 回覆: 2
- 觀看: 257
Which one do you think looking a bit better
Below shows two images with color calibration in two different tools separately after using DBE tool in PI. One was applied with unlinked STF for brightness adjustment directly while another was brightness adjusted using linked STF after PCC tool applied. Then both were inputted into PS for fine adj...
- 週一 27 11月, 2023 11:08
- 版面: 自製天文儀器 diy Astro Equipment
- 主題: LT 的 DIY 及 modified 天文器材配件相片集 -- Mirror set of VMC110L
- 回覆: 68
- 觀看: 15286
Re: LT 的 DIY 及 modified 天文器材配件相片集 -- Tube rings for Sky90 (done)
20. Pair of tube rings for Tak Sky90 scope was finished last week.
- 週五 24 11月, 2023 22:15
- 版面: 天文攝影 Astrophotography
- 主題: LT 的可保留相集 (海外編) -- Milky way (ver 2)
- 回覆: 90
- 觀看: 17177
Re: LT 的可保留相集 (海外編) -- Milky way (ver 2)
Reprocessed version.
Does this version look a bit better or worse than the previous one above?
Does this version look a bit better or worse than the previous one above?
- 週四 23 11月, 2023 23:29
- 版面: 天文攝影 Astrophotography
- 主題: LT 的可保留相集 (海外編) -- Milky way (ver 2)
- 回覆: 90
- 觀看: 17177
Re: LT 的可保留相集 (海外編) -- Milky way in August
32. Milky way in August
Taken with Sigma 15mm f/2.8 lens + 40Da in Australia in 2013 @f/4
12x360s @iso800, with dark calibrated only
Unguided with Vixen Polarie star tracler
Processed in PI and PS
My first success in using PCC for color calibration in PI @f.l.=15mm
Taken with Sigma 15mm f/2.8 lens + 40Da in Australia in 2013 @f/4
12x360s @iso800, with dark calibrated only
Unguided with Vixen Polarie star tracler
Processed in PI and PS
My first success in using PCC for color calibration in PI @f.l.=15mm
- 週三 22 11月, 2023 21:39
- 版面: 天文話題 Everything about Astronomy
- 主題: Issue on my ZWO EFW mini
- 回覆: 1
- 觀看: 166
Issue on my ZWO EFW mini
The filter wheel of my ZWO EFW mini had been failed to rotate for changing filters for more than 1/2 year. Tried to update the latest version for drivers but no success. So, I thought that might be a fail in electronics and then left it untouched. A couple of days ago, a flash came in my brain. Is t...
- 週四 16 11月, 2023 01:09
- 版面: 天文攝影 Astrophotography
- 主題: Gallery of single shot -- Scorpius is falling down
- 回覆: 61
- 觀看: 10512
Re: Gallery of single shot -- Star trail
20. Star trail
Taken with EF8-15mm f/4L fisheye USM + unmodified 100D in Australia in 2014 @15mm f/4
Single shot of 363s @iso400 with ICNR on
Stationary
Processed in PS
Taken with EF8-15mm f/4L fisheye USM + unmodified 100D in Australia in 2014 @15mm f/4
Single shot of 363s @iso400 with ICNR on
Stationary
Processed in PS
- 週二 14 11月, 2023 21:47
- 版面: 天文攝影 Astrophotography
- 主題: LT 的 Nightscape 相集 -- Milky way taken in SA
- 回覆: 24
- 觀看: 4036
Re: LT 的 Nightscape 相集 -- LMC and SMC
9. LMC and SMC
Taken with Sigma 15mm f/2.8 + unmodified 1100D in Australia in 2012 @f/2.8
Single shot of 20s @iso3200 with ICNR on, stationary
Processed in PS
Taken with Sigma 15mm f/2.8 + unmodified 1100D in Australia in 2012 @f/2.8
Single shot of 20s @iso3200 with ICNR on, stationary
Processed in PS
- 週一 13 11月, 2023 22:39
- 版面: 自製天文儀器 diy Astro Equipment
- 主題: LT 的 DIY 及 modified 天文器材配件相片集 -- Mirror set of VMC110L
- 回覆: 68
- 觀看: 15286
Re: LT 的 DIY 及 modified 天文器材配件相片集 -- Tube rings for Sky90
19. Tube rings for Sky 90
Milling tube rings for Takahashi Sky 90 scope for my friend.
Milling tube rings for Takahashi Sky 90 scope for my friend.
- 週五 10 11月, 2023 22:59
- 版面: 天文攝影 Astrophotography
- 主題: Gallery of single shot -- Scorpius is falling down
- 回覆: 61
- 觀看: 10512
Re: Gallery of single shot -- Cygnus
19. Cygnus
Taken with EF24-105mm f/4L + 100Da @PTC in 2015 @32mm f/5.6
Single shot of 120s @iso1600, unguided with Polarie star tracker
Processed in PI and PS
Taken with EF24-105mm f/4L + 100Da @PTC in 2015 @32mm f/5.6
Single shot of 120s @iso1600, unguided with Polarie star tracker
Processed in PI and PS
- 週三 08 11月, 2023 00:57
- 版面: 自製天文儀器 diy Astro Equipment
- 主題: LT 的 DIY 及 modified 天文器材配件相片集 -- Mirror set of VMC110L
- 回覆: 68
- 觀看: 15286
Re: LT 的 DIY 及 modified 天文器材配件相片集 -- Tripod adapting plate
18. Adapting plate for installing Vixen SX series mount onto HEQ 2" stainless tripod
- 週五 03 11月, 2023 21:44
- 版面: 天文攝影 Astrophotography
- 主題: LT 的可保留相集 (海外編) -- Milky way (ver 2)
- 回覆: 90
- 觀看: 17177
Re: LT 的可保留相集 (海外編) -- LMC (final)
31. LMC of total 168 min data
Taken in two nights
20231010: 12x240s @iso1600
20231017: 30x240s @iso800
Taken in two nights
20231010: 12x240s @iso1600
20231017: 30x240s @iso800
- 週六 28 10月, 2023 22:32
- 版面: 天文攝影 Astrophotography
- 主題: LT 的可保留相集 (海外編) -- Milky way (ver 2)
- 回覆: 90
- 觀看: 17177
Re: LT 的可保留相集 (海外編) -- LMC
30. LMC
Taken with EF100mm f/2.8L macro USM IS + 100Da in Australia in 2023 @f/4
12x240s @iso1600, with dark, bias and flat calibrated in PI
Autoguided with Vixen AP mount
Processed in PI and final touch in PS
Taken with EF100mm f/2.8L macro USM IS + 100Da in Australia in 2023 @f/4
12x240s @iso1600, with dark, bias and flat calibrated in PI
Autoguided with Vixen AP mount
Processed in PI and final touch in PS