LT 的可保留相集 (海外編) -- M16 in L channel

[LT]

顧名思意，質素不算差，有得留低。

1. Eta (wide field)

Taken with EF100mm F2.8L + 100Da in Guyra in 2017 @F4
20x180s @iso800, unguided with Vixen AP photoguider
Stacked and processed in PI with dark calibrated only

Eta_20170416_EF100mmF4_100Da_iso1600_20x180s_Guyra.jpg (1.02 MiB) 已瀏覽 8441 次

[Wongsir]

[Eddy So]

[LT]

2. Blue Horse Head

Taken with Vixen VSD100F3.8 astrograph + 5Da in Australia in 2015 @300mm F3
17x240s @iso1000, autoguided with Vixen SX2 mount
Stacked in PI with dark and flat calibrated
Processed in PI with PCC tool for color calibration and final touch in PS

If that was calibrated with a good flat, the result should be much better I think.

BHH_20150516_VSD_F3_5Da_iso1000_17x240s_Melrose.jpg (1.26 MiB) 已瀏覽 8337 次

[anyone]

[Eddy So]

[Wongsir]

[LT]

3. Milky way

Taken with EF24-70mm F2.8L + 5Da in Australia in 2015 @24mm F2.8
3x300s @iso1000, unguided with Vixen Polarie star tracker
Stacked in DSS with dark calibrated only
Processed in PI and final touch in PS

MW-whole_20150517_EF24-70mm_5Da_iso1000_3x300s_Hawker.jpg (1.39 MiB) 已瀏覽 8150 次

[Eddy So]

[Wongsir]

[LT]

4. NGC1499 (California nebula)

Taken with Vixen VSD + 40Da in Mountain Yinna in China in 2014 @380mm F3.8
15x360s @iso800, autoguided with Vixen GP2 photoguider in RA direction only
Stacked in PI with 5 darks calibrated only
Processed in PI
Final touch in PS

FB_ngc1499_20141121_VSD_40Da_iso800_15x360s_Yinna.jpg (1.03 MiB) 已瀏覽 7749 次

[Eddy So]

[LT]

5. Eta to Coalsack region

Taken with EF70-300mm F4-5.6L zoom + 40Da in Coonabarabran in 2013 @70mm F5.6
8x360s @iso800, unguided with Vixen GP mount
Stacked in PI with 5 darks calibrated only
Processed in PI
Final touch in PS

FB_Eta-coalsack_20130830_EF70-300mm_70mmF5-6_40Da_iso800_8x360s_Coon.jpg (1.09 MiB) 已瀏覽 7673 次

[Eddy So]

[Wongsir]